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fast responding, 45 db range, 0.5 ghz to 43.5 ghz envelope detector data sheet adl6010 features schottky diode detector with linearization broa dband 50 input impedance accurate response from 0. 5 ghz to 43.5 ghz with minimal slope variation input r ange of ? 30 dbm to +1 5 dbm , re ferred to 50 e xcellent temperature stability 2. 1 v/v peak ( output voltage per input peak voltage ) slope at 10 ghz fast envelope bandwidth : 40 mhz fast output rise time : 4 ns low power consumption : 1.6 ma at 5 .0 v 2 mm 2 mm, 6 - lead lfcsp package applications microwave point to point links microwave i nstrumentation radar - based measurement systems functional block dia gram figure 1. general description the adl6010 is a versatile, broadband envelope detector covering the microwave spectrum. it provides state - of - the - art accuracy with very low power consumption (8 mw ) in a simple , easy to use 6 - lead format. the output is a baseband voltage proportional to the instantaneous amplitude of the radio frequency ( rf ) input signal . it exhibits minimal slope variation of the rf input to envelope output transfer function from 0.5 ghz to 43.5 ghz . the detector cell uses a proprietary eight schottky diode array followed by a nove l lineariz er circuit that creates a linear voltmeter with an overall scaling factor (or transfer gain ) of nominally 2.2 relative to the voltage amplitude of the input. although the adl6010 is not inherently a power responding device, it remains convenient to specify the input in this way. thus, the permissible input power , relative to a 50 ? source i nput i mpedance , ranges from ? 30 dbm to +15 dbm. the corresponding input voltage amplitudes o f 11.2 mv to 1.8 v generate quasi - dc outputs from about 25 mv to 4 v above common ( comm ). a subtle aspect of the balanced detector topology is that no even - order distortion, caused by nonlinear source loading , occurs at the input. this is an important benefit in applications where a low ratio coupler is used to extract a signal sample and is a significant improvement over traditional diode detectors. the power equivalent of a fluctuating rf input amplitude can be extracted by the addition of an rms - to - dc c onverter ic. alternatively, the baseband output can be applied to a suitably fast analog - to - digital converter ( adc ) and the rms value (and other signal metrics, such as peak to average ratio) calculated in the digital domain. the output response accuracy is insensitive to variation in the supply voltage, which can range from 4.75 v to 5.25 v. the ultralow power diss ipation contributes to its long - term stability. the adl6010a is specified for operation from ?40c to +85c, and the adl6010s is specified for operation from ?55c to +125c . both are available in a 6 - lead, 2 mm 2 mm lfcsp pack age. 1 1617-001 4 5 6 3 2 1 linearizer rfcm adl6010 rfin rfcm vpos vout comm rev. a document feedback information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifications subject to change witho ut notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. one technology way, p.o. box 9106, norwood, ma 02062 - 9106 , u.s.a. tel: 781.329.4700 ? 2014 analog devices, inc. all rights reserved. technical support www.analog.com
adl6010 data sheet table of contents features .............................................................................................. 1 applications ....................................................................................... 1 functional block diagram .............................................................. 1 general description ......................................................................... 1 revision history ............................................................................... 2 specifications ..................................................................................... 3 absolute maximum ratings ............................................................ 7 esd caution .................................................................................. 7 pin configuration and function descriptions ............................. 8 typical performance characteristics ............................................. 9 measurement setups ...................................................................... 15 theory of operation ...................................................................... 16 basic connections ...................................................................... 17 pcb layout recommendations ............................................... 17 system calibration and error calculation .............................. 17 effect of a capacitave load on rise time and fall time ..... 19 e valuation board ............................................................................ 20 evaluation board assembly drawings .................................... 21 outline dimensions ....................................................................... 22 ordering guide .......................................................................... 22 revision history 9 / 14 rev. 0 to rev. a deleted figure 3 and figure 6; renumbered sequentially .......... 9 deleted figure 3 9 and changes to theory of operation section .. 1 6 7 /14 revision 0 : initial version rev. a | page 2 of 22
data sheet adl6010 specifications vpos = 5.0 v , t a = 25c , 50 ? source input impedance , single - ended input drive, unless otherwise state d. table 1 . parameter test conditions/comments min typ 1 max unit rf input interface rfin pin operating frequency 0.5 43.5 ghz nominal input impedance single - ended input drive, see the theory of operation section 50 frequency = 500 mhz input rfin to output vout detection range 1 db error continuous wave (cw) input 44 db maximum input level , 1 db three point calibration at ?2 6 dbm, ?14 dbm, and + 5 dbm 16 dbm minimum input level , 1 db three point calibration at ?2 6 dbm, ?14 dbm, and + 5 dbm ? 28 dbm deviation vs. temperature deviation from output at 2 5c ?40c < t a < +85c, input power ( p in ) = + 10 dbm +0.2/ ? 0.1 db ?55c < t a < +125c, p in = + 10 dbm +0.3/ ? 0.2 db ?40c < t a < +85c, p in = ?10 dbm +0.7/ ? 0,6 db ?55c < t a < +125c, p in = ?10 dbm +0.9/ ? 1.2 db slope calibration at ? 14 dbm and +5 dbm 2.2 v/ v peak intercept calibration at ? 14 dbm and +5 dbm 0.3 v output voltage p in = + 10 dbm 2.2 v p in = ?10 dbm 0.19 v frequency = 1 ghz input rfin to output vout detection range 1 db error cw input 45 db maximum input level , 1 db three point calibration at ?2 5 dbm, ? 10 dbm, and +8 dbm 15 dbm minimum input level , 1 db three point calibration at ?2 5 dbm, ? 10 dbm, and +8 dbm ?30 dbm deviation vs. temperature deviation from output at 2 5c ? 40c < t a < +85c, p in = + 10 dbm +0.1/?0.1 db ?55c < t a < +125c, p in = + 10 dbm +0.2 /?0.2 db ?55c < t a < +125c, p in = ?10 dbm +0.3 /?0.3 db ?40c < t a < +85c, p in = ?10 dbm +0.4 /?0.6 db slope calibration at ?10 dbm and +8 dbm 2.2 v/ v peak intercept calibration at ?10 dbm and +8 dbm 0.5 v output voltage p in = + 10 dbm 2.25 v p in = ?10 dbm 0.22 v frequency = 5 ghz input rfin to output vout detection range 1 db error cw input 46 db maximum input level , 1 db three point calibration at ?25 dbm, ?10 dbm, and +8 dbm 16 dbm minimum input level , 1 db three point calibration at ?25 dbm, ?10 dbm, and +8 dbm ?30 dbm deviation vs. temperature deviation from output at 2 5c ?40c < t a < +85c, p in = + 10 dbm +0.2/?0.1 db ?55c < t a < +125c, p in = + 10 dbm +0.3/?0.2 db ?40c < t a < +85c, p in = ?10 dbm +0.2/?0.2 db ?55c < t a < +125c, p in = ?10 dbm +0.3/?0.4 db slope calibration at ?10 dbm and +8 dbm 2.1 v/v peak intercept calibration at ?1 0 dbm and + 8 dbm 0.5 v output voltage p in = + 10 dbm 2.2 v p in = ?10 dbm 0.22 v rev. a | page 3 of 22
adl6010 data sheet parameter test conditions/comments min typ 1 max unit frequency = 10 ghz input rfin to output vout detection range 1 db error cw input 46 db maximum input level , 1 db three point calibration at ?28 dbm, ?10 dbm, and +10 dbm 16 dbm minimum input level , 1 db three point calibration at ?28 dbm, ?10 dbm, and +10 dbm ?30 dbm deviation vs. temperature deviation from output at 2 5c ?40c < t a < +85c, p in = 10 dbm +0.2/?0.1 db ?55c < t a < +125c, p in = 10 dbm +0.4/?0.2 db ?40c < t a < +85c, p in = ?10 dbm +0.2/?0.2 db ?55c < t a < +125c, p in = ?10 dbm +0.4/?0.4 db slope calibration at ?10 dbm and +10 dbm 2. 1 v/v peak intercept calibration at ?10 dbm and +10 dbm 0.6 v output voltage p in = + 10 dbm 2.1 v p in = ?10 dbm 0.22 v frequency = 15 ghz input rfin to output vout detection range 1 db error cw input 47 db maximum input level , 1 db three point calibration at ?28 dbm, ?10 dbm, and +10 dbm 16 dbm minimum input level , 1 db three point calibration at ?28 dbm, ?10 dbm, and +10 dbm ?3 0 dbm deviation vs. temperature deviation from output at 2 5c ?40c < t a < +85c, p in = + 10 dbm +0.2/?0.2 db ?55c < t a < +125c, p in = + 10 dbm +0.3/?0.3 db ?40c < t a < +85c, p in = ?10 dbm +0.2/?0.3 db ?55c < t a < +125c, p in = ?10 dbm +0.3/?0.6 db slope calibration at ?10 dbm and +10 dbm 2 .1 v/v peak intercept calibration at ?10 dbm and +10 dbm 0.6 v output voltage p in = + 10 dbm 2.1 v p in = ?10 dbm 0.22 v frequency = 20 ghz input rfin to output vout detection range 1 db error cw input 46 db maximum input level , 1 db three point calibration at ?28 dbm, ?10 dbm, and +8 dbm 15 dbm minimum input level , 1 db three point calibration at ?28 dbm, ?10 dbm, and +8 dbm ?3 0 dbm deviation vs. temperature deviation from output at 2 5c ?40c < t a < +85c, p in = + 10 dbm +0.2/?0.2 db ?55c < t a < +125c, p in = + 10 dbm +0.3/?0.4 db ?40c < t a < +85c, p in = ?10 dbm +0.2/?0.3 db ?55c < t a < +125c, p in = ?10 dbm +0.3/?0.6 db slope calibration at ?10 dbm and +8 dbm 2.2 v/v peak intercept calibration at ?10 dbm and +8 dbm 0.55 v output voltage p in = + 10 dbm 2.3 v p in = ?10 dbm 0.246 v rev. a | page 4 of 22
data sheet adl6010 parameter test conditions/comments min typ 1 max unit frequency = 25 ghz input rfin to output vout detection range 1 db error cw input 46 db maximum input level , 1 db three point calibration at ?28 dbm, ?10 dbm, and +8 dbm 15 dbm minimum input level , 1 db three point calibration at ?28 dbm, ?10 dbm, and +8 dbm ?3 0 dbm deviation vs. temperature deviation from output at 2 5c ?40c < t a < +85c, p in = + 10 dbm +0.2/?0.2 db ?55c < t a < +125c, p in = + 10 dbm +0.3/?0.4 db ?40c < t a < +85c, p in = ?10 dbm +0.2/?0.4 db ?55c < t a < +125c, p in = ?10 dbm +0.3/?0.7 db slope calibration at ?14 dbm and +10 dbm 2 .3 v/v peak intercept calibration at ?14 dbm and +10 dbm 0.55 v output voltage p in = + 10 dbm 2.36 v p in = ?10 dbm 0.242 v frequency = 30 ghz input rfin to output vout detection range 1 db error cw input 45 db maximum input level , 1 db three point calibration at ?26 dbm, 0 dbm, and +10 dbm 16 dbm minimum input level , 1 db three point calibration at ?26 dbm, 0 dbm, and +10 dbm ?29 dbm deviation vs. temperature deviation from output at 2 5c ?40c < t a < +85c, p in = + 10 dbm +0.3/?0.2 db ?55c < t a < +125c, p in = + 10 dbm +0.4/?0.4 db ?40c < t a < +85c, p in = ?10 dbm +0.5/?0.5 db ?55c < t a < +125c, p in = ?10 dbm +0.6/?0.8 db slope calibration at 0 dbm and +10 dbm 2.3 v/v peak intercept calibration at 0 dbm and +10 dbm 0.6 v output voltage p in = + 10 dbm 2.2 v p in = ?10 dbm 0.21 v frequency = 35 ghz input rfin to output vout detection range 1 db error cw input 44 db maximum input level , 1 db three point calibration at ?25 dbm, 0 dbm, and +10 dbm 15 dbm minimum input level , 1 db three point calibration at ?2 5 dbm, 0 dbm, and +10 dbm ?29 dbm deviation vs. temperature deviation from output at 2 5c ?40c < t a < +85c, p in = + 10 dbm +0.4/?0.4 db ?55c < t a < +125c, p in = + 10 dbm +0.5/?0.6 db ?40c < t a < +85c, p in = ?10 dbm +0.5/?0.5 db ?55c < t a < +125c, p in = ?10 dbm +0.6/?1.6 db slope calibration at 0 dbm and 10 dbm 2 .4 v/v peak intercept calibration at 0 dbm and 10 dbm 0.6 v output voltage p in = + 10 dbm 2.3 v p in = ?10 dbm 0.198 v rev. a | page 5 of 22
adl6010 data sheet parameter test conditions/comments min typ 1 max unit frequency = 40 ghz input rfin to output vout detection range 1 db error cw input 42 db maximum input level , 1 db three point calibration at ?20 dbm, 0 dbm, and +10 dbm 17 dbm minimum input level , 1 db three point calibration at ?20 dbm, 0 dbm, and +10 dbm ?25 dbm deviation vs. temperature deviation from output at 2 5c ?40c < t a < +85c, p in = + 10 dbm +0.2/?0.2 db ?55c < t a < +125c, p in = + 10 dbm +0.3/?0.3 db ?40c < t a < +85c, p in = ?10 dbm +0.5/?0.5 db ?55c < t a < +125c, p in = ?10 dbm +0.6/?0.9 db slope calibration at 0 dbm and 10 dbm 1.7 v/v peak intercept calibration at 0 dbm and 10 dbm 0.4 v output voltage p in = + 10 dbm 1.64 v p in = ?10 dbm 0.135 v frequency = 43 .5 ghz input rfin to output vout detection range 1 db error cw input 41 db maximum input level , 1 db three point calibration at ?20 dbm, 0 dbm, and + 10 dbm 17 dbm minimum input level , 1 db three point calibration at ?20 dbm, 0 dbm, and + 10 dbm ?24 dbm deviation vs. temperature deviation from output at 2 5c ?40c < t a < +85c, p in = + 10 dbm +0.6/?0.4 db ?55c < t a < +125c, p in = + 10 dbm +0.7/?0.7 db ?40c < t a < +85c, p in = ?10 dbm +0.7/?0.5 db ?55c < t a < +125c, p in = ?10 dbm +0.8/?1.1 db slope calibration at 0 dbm and 10 dbm 1.6 v/v peak intercept calibration at 0 dbm and 10 dbm 0.35 v output voltage p in = + 10 dbm 1.46 v p in = ?10 dbm 0.118 v output interface pin vout dc output resistance <5 output offset p in = off 4 mv maximum output voltage t a = 25c, vpos = 5.0 v , p in = 19 dbm 4.3 v available output current sourcing/sinking 5/0.3 ma rise time p in = off to 0 dbm, 10% to 90%, c load = 10 pf ,r series = 100 4 ns fall time p in = off to 0 dbm, 10% to 90%, c load = 10 pf , r series = 100 50 ns envelope bandwidth 3 db bandwidth 40 mhz power supplies pin vpos supply voltage 4.75 5.0 5.25 v quiescent current t a = 25c, no signal at rfin, vpos = 5.0 v 1.6 ma ?40c < t a < +85c 2.0 ma ?55c < t a < +125c 2.2 ma 1 s lash es in the typical (typ) column indicate a range. for example, ?0.2/+0. 1 means ?0.2 to +0. 1 . rev. a | page 6 of 22
data sheet adl6010 rev. a | page 7 of 22 absolute maximum ratings table 2. parameter rating supply voltage, vpos 5.5 v input rf power 1 20 dbm equivalent voltage, sine wave input 3.16 v internal power dissipation 20 mw jc 2 16.4c/w ja 2 82.9c/w jt 2 0.6c/w jb 2 49.3c/w maximum junction temperature 150c operating temperature range adl6010acpzn-r7 ?40c < t a < +85c adl6010scpzn-r7 ?55c < t a < +125c storage temperature range ?65c to +150c lead temperature (soldering 60 sec) 300c stresses at or above those listed under absolute maximum ratings may cause permanent damage to the product. this is a stress rating only; functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied. operation beyond the maximum operating conditions for extended periods may affect product reliability. esd caution 1 driven from a 50 source. 2 no airflow when the exposed pad soldered to a 4-layer jedec board.
adl6010 data sheet pin configuration an d function descripti ons figure 2. pin configuration table 3 . pin function descriptions pin o. neonic description 1 comm device g round . connect comm to the system ground using a low impedance ground plane together with the exposed pad ( epad ). 2 vout output voltage . the output from the vout pin is proportional to the envelope value at the rfin pin . 3 vpos supply voltage . the operational range is from 4.75 v to 5.25 v. decouple t he power supply using the suggested capacitor values of 100 pf and 0.1 f and locate these capacitors as close as possible to the vpos pin . 4, 6 rfcm device grounds. connect the rfcm pins to the system ground using a low impedance ground plane together with the exposed pad (epad). 5 rfin signal input . the rfin pin is ac - coupled and has an rf input impedance of approximately 50 . epad exposed pad . the exposed pad ( epad) on the underside of the device is also internally connected to ground and requires good thermal and electrical connection to the ground of the printed circuit board (pcb). connect all ground pins to a low impedance ground plane together with the epad . notes 1. exposed p ad. the exposed p ad (e p ad) on the underside of the device is also internal l y connected t o ground and requires good therma l and electrica l connection t o the ground of the printed circuit board (pcb). connect al l ground pins t o a low impedance ground plane t ogether with the e p ad. 6 comm 4 vpos 5 vout 1 rfcm 3 rfcm 2 rfin 1 1617-002 adl6010 t op view (not to scale) rev. a | page 8 of 22
data sheet adl6010 typical performance characteristics vpos = 5.0 v, c load = o pen, t a = 25 c , unless otherwise specified . error referred to slope and intercept at indicated calibration points. single - ended input drive, input rf signal is a continuous sine wave, unless otherwise not ed. figure 3 . output voltage (v out ) vs. rf input power (p in ) for various supply voltages figure 4 . supply current vs. rf input power (p in ) for various temperatures figure 5 . input return loss (s11) vs. input frequency with input connector and pcb trace embedded figure 6 . envelope bandwidth of v out vs. frequency at p in = ?10 dbm and modulation depth = 10% (see figure 36 in the measurement setups section) figure 7 . conformance error and output voltage (v out ) vs. rf input power (p in ) for various temperatures at 0.5 ghz figure 8. conformance error and output voltage (v out ) vs. rf input power (p in ) for various temperatures at 1 ghz 15 5 ?5 ?15 ?25 ?35 20 10 0 ?10 ?20 ?30 ?40 p in (dbm) 1 1617-004 5 4 3 2 1 0 output vo lt age (v) v pos = 4.75v v pos = 5.00v v pos = 5.25v 15 5 ?5 ?15 ?25 ?35 20 10 0 ?10 ?20 ?30 ?40 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 supp l y current (ma) p in (dbm) ?55c ?40c +25c +85c +125c 1 1617-005 40 35 30 25 20 15 10 5 0.5 0 ?5 ?10 ?15 ?20 frequenc y (ghz) s 1 1 (db) 1 1617-007 ?8 ?7 ?6 ?5 ?4 ?3 ?2 ?1 0 1 0.1 1 10 100 normalized gain (db) frequency (mhz) 11617-008 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?26dbm, ?14dbm, and +5dbm 1 1617-009 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?25dbm, ?10dbm, and +8dbm 1 1617-010 rev. a | page 9 of 22
adl6010 data sheet figure 9 . conformance error and output voltage (v out ) vs. rf input power (p in ) for various temperatures at 5 ghz figur e 10 . distribution of conformance error with respect to output voltage (v out ) at 25 c vs. rf input power (p in ) for various temperatures at 0.5 ghz figure 11 . distribution of conformance error with respect to output voltage (v out ) at 25 c vs. rf input power (p in ) for various temperatures at 1 ghz figure 12 . distribution of conformance error with respect to output voltage (v out ) at 25 c vs. rf input power (p in ) for various temperatures at 5 ghz figure 13 . conformance error and output voltage (v out ) vs. rf input power (p in ) for various temperatures at 10 ghz figure 14 . conformance error and output voltage (v out ) vs. rf input power (p in ) for various temperatures at 15 ghz 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?25dbm, ?10dbm, and +8dbm 1 1617-0 1 1 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 15 5 ?5 ?15 ?25 p in (dbm) error (db) output vo lt age (v) calibr a tion a t ?26dbm, ?14dbm, and +5dbm ?55c ?40c +25c +85c +125c 1 1617-012 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 15 5 ?5 ?15 ?25 p in (dbm) error (db) output vo lt age (v) calibr a tion a t ?25dbm, ?10dbm, and +8dbm ?55c ?40c +25c +85c +125c 1 1617-013 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 15 5 ?5 ?15 ?25 p in (dbm) error (db) output vo lt age (v) calibr a tion a t ?25dbm, ?10dbm, and +8dbm ?55c ?40c +25c +85c +125c 1 1617-014 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?28dbm, ?10dbm, and +10dbm 1 1617-015 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c 1 1617-016 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 calibr a tion a t ?28dbm, ?10dbm, and +10dbm rev. a | page 10 of 22
data sheet adl6010 figure 15 . conformance error and output voltage (v out ) vs. rf input power (p in ) for various temperatures at 20 ghz figure 16 . distribution o f conformance error with respect to output voltage (v out ) at 25 c vs. rf input power (p in ) for various temperatures at 10 ghz figure 17 . distribution of conformance error with respect to output voltage (v out ) at 25 c vs. rf inp ut power (p in ) for various temperatures at 15 ghz figure 18 . distribution of conformance error with respect to output voltage (v out ) at 25 c vs. rf input power (p in ) for various temperatures at 20 ghz figure 19 . conformance error and output voltage (v out ) vs. rf input power (p in ) for various temperatures at 25 ghz figure 20 . conformance error and output voltage (v out ) vs. rf input power (p in ) for various temperatures at 30 ghz 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?28dbm, ?10dbm, and +8dbm 1 1617-017 20 10 15 0 5 ?5 ?10 ?15 ?20 ?25 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?28dbm, ?10dbm, and +10dbm 1 1617-018 20 10 15 0 5 ?5 ?10 ?15 ?20 ?25 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?28dbm, ?10dbm, and +10dbm 1 1617-019 20 10 15 0 5 ?5 ?10 ?15 ?20 ?25 ?30 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?28dbm, ?10dbm, and +8dbm 1 1617-020 4 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?28dbm, ?10dbm, and +8dbm 1 1617-021 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?26dbm, 0dbm, and +10dbm 1 1617-022 rev. a | page 11 of 22
adl6010 data sheet figure 21 . conformance error and output voltage (v out ) vs. rf input power (p in ) for various temperatures at 35 ghz figure 22 . distribution of conformance error with respect to output voltage (v out ) at 25 c vs. rf input power (p in ) for various temperatures at 25 ghz figure 23 . distribution of conformance error with respect to output voltage (v out ) at 25 c vs. rf input power (p in ) for various temperatures at 30 ghz figure 24 . distribution of conformance error with respect to output voltage (v out ) at 25 c vs. rf input power (p in ) for various temperatures at 35 ghz figure 25 . conformance error and output voltage (v out ) vs. rf input power (p in ) for various temperatures at 40 ghz figure 26 . distribution of v out offset with no applied p in at 25c 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?25dbm, 0dbm, and +10dbm 1 1617-023 20 10 15 0 5 ?5 ?10 ?15 ?20 ?25 ?30 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?28dbm, ?10dbm, and +8dbm 1 1617-024 4 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 15 5 ?5 ?15 ?25 p in (dbm) error (db) output vo lt age (v) 1 1617-025 calibr a tion a t ?26dbm, 0dbm, and +10dbm ?55c ?40c +25c +85c +125c 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 15 5 ?5 ?15 ?25 p in (dbm) error (db) output vo lt age (v) 1 1617-026 ?55c ?40c +25c +85c +125c calibr a tion a t ?25dbm, 0dbm, and +10dbm 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?20dbm, 0dbm, and +10dbm 1 1617-027 14 12 10 8 6 4 2 5000 4000 3000 2000 1000 0 offset (mv) count represents more than 1 1,000 p arts 1 1617-028 rev. a | page 12 of 22
data sheet adl6010 figure 27 . output voltage (v out ) distribution, p in = 9 dbm at 12 ghz, 25c figure 28 . conformance error and output voltage (v out ) vs. rf input power (p in ) for various temperatures at 43.5 ghz figure 29 . distribution of quiescent current at 25c figure 30 . output voltage (v out ) distribution, p in = ?9 dbm at 12 ghz, 25c 1.98 1.92 1.86 1.80 1.74 1.68 1.62 5000 4000 3000 2000 1000 0 output vo lt age (v) count 1 1617-029 represents more than 1 1,000 p arts 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c calibr a tion a t ?20dbm, 0dbm, and +10dbm 1 1617-030 1.92 1.84 1.76 1.68 1.60 1.52 3500 3000 2500 2000 1500 1000 500 0 quiescent current (ma) count represents more than 1 1,000 p arts 1 1617-031 0.28 0.27 0.26 0.25 0.24 0.23 0.22 5000 4000 3000 2000 1000 0 output vo lt age (v) count represents more than 1 1,000 p arts 1 1617-032 rev. a | page 13 of 22
adl6010 data sheet figure 31 . rf burst input response, rising edge (see figure 34 in the measurement setups section) figure 32 . vpos turn - on pulse response (see figure 35 in the measurement setups section) figure 33 . rf burst input response, falling edge (see figure 34 in the measurement setups section) 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 output vo lt age (v) time (s) 1g hz b u r s t re fe re n c e +1 0 d b m 0d b m ?10 d b m ?20 d b m 1 1617-034 ?30 ?25 ?20 ?15 ?10 ?5 0 5 10 ?0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 supp l y vo lt age (v) output vo lt age (v) time (s) ?20 d b m ?10 d b m 0d b m +1 0 d b m v p o s p u l s e 1 1617-033 0 0.5 1.0 1.5 2.0 2.5 3.0 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20 1.30 1.25 output vo lt age (v) time (s) 1g hz b u r s t re fe re n c e +1 0 d b m 0d b m ?10 d b m ?20 d b m 1 1617-035 rev. a | page 14 of 22
data sheet adl6010 rev. a | page 15 of 22 measurement setups figure 34. hardware configuration for output response to rf burst input measurements figure 35. hardware configuration for output response to power supply gating measurements figure 36. hardware configuration for envelope output response measurement rohde & schwarz signal generator smr 40 adl6010 evaluation board pulse in rf out rfin vpos 1m ? trigger vout hp e3631a power supply agilent 33522a function/arbitrary waveform generator ch2 ch1 tektronix digital phosphor oscilloscope tds5104 11617-036 ad8017 on ug-128 evaluation board +2 11617-038 rohde & schwarz signal generator smr 40 adl6010 evaluation board pulse in rf out rfin 1m ? trigger vout agilent 33522a function/arbitrary waveform generator ch2 ch1 tektronix digital phosphor oscilloscope tds5104 vpos rf source (carrier) rf source (modulation) adl5390 (rf vector multiplier) dc control adl5545 (rf gain block) directional coupler spectrum analyzer ref ?10db rfin adl6010 evaluation board vout tektronix digital phosphor oscilloscope tds5104 fet probe (2pf,1m ? ) 11617-037
adl6010 data sheet theory of operation the adl6010 uses eight schottky diodes in a novel two path detector topology. one path responds during the positive half cycles of the input , and the second responds during the negative half cycles of the input , thus achieving full wave rectification. this arrangement presents a constant input impedance throughout the full rf cycle, thereby preventing the reflection of even - order distortion components back toward the source , which is a well - known limitation of the widely used traditional single schottky diode detectors. eight diodes are arranged on the chip in such a way as to minim ize the effect of chip stresses and temperature variations. they are biased by small keep alive currents chosen in a trade - off between the inherently low sensitivity of a diode detector a nd the need to preserve envelope bandwidth. thus, the corner frequenc y of the front - end low - pass filtering is a weak function of the input level. at low input levels, the ?3 db corner frequency is at approximately 0.5 g hz. the overall envelope bandwidth is limited mainly by the subsequent linearizing and output circuitry. at small input levels, all schottky diode detectors exhibit an extremely weak response which approximates a square law characteristic (having zero slope at the origin). f or large inputs , th e response approaches a linear transfer function. in the adl6010 , th is non linearity and variations in the response are corrected using proprietary circuit ry having an equally shaped but inverse amplitude function, resulting in an overall envelope response that is linear across the whole span of input levels. the composite signal is buffered and presented at the output pin ( vout ) . the transfer function relating the instantaneous rf voltage amplitude to the quasi - dc output is a scalar constant of a little over 2 . this scalar constant is mainly determined by ratios of resistors, which are independent of temperature and process variations. errors associated with the minuscule voltages generated by the schottky front - end under low level conditions , and other errors i n the nonlinear signal processing circuitry , are minimized by laser trimming, permitting accurate measurement of rf input voltages down to the millivolts level . an aspect of the linear in volts response is that the minimum v out is limite d by the ability of the output stage to reach down to absolute zero (the potential on the comm pin) when using a single positive supply. dc voltages at the input are blocked by an on - chip capacitor. the two ground pins (rfcm) on either side of rfin ( p in 5 ) form part of an rf coplanar waveguide (cpw) launch into the detector . the rfcm pins must be connected to the signal ground. give c areful attention to the design of the pcb in this area. the envelope voltage gain of the adl6010 is nominally 2.2 v/v peak from 1 ghz to 35 ghz. this factor becomes 3.2 v/v when the input signal is specified as the rms voltage of a cw carrier. for example, a steady ?30 dbm input gener ates a dc output voltage of 22.5 mv, at which level the output buffer is able to track the envelope. in fact, the sensitivity at ambient temperature s typically extends below ?30 dbm. however, over the specified temperature range, the measurement error tend s to increase at the bottom of the specified range. for large inputs, the voltage headroom in the signal processing stages limits the measurement range. using a 5 v supply, the maximum signal is approximately 3.6 v p - p, corresponding to a power of 15 dbm , referenced to 50 . th erefore , the adl6010 achieves a 45 db dynamic range of high accuracy measurement . note that , a bove 43.5 ghz , accuracy is limited by the package, pcb , and instrumentation. the rf input interfac e provides a broadband (flat) 50 termination without the need for external components. although the input return loss inevitably degrades at very high frequencies, the slope of the transfer function holds near 2 .2 v/v peak up to 35 ghz, owing to the voltage responding behavior of the adl6010 . rev. a | page 16 of 22
data sheet adl6010 basic connections the basic connections are shown in figure 37 . a dc supply of nominally 5 v is required. the bypass capacitor s ( c1 and c2 ) provide supply decoupling for the output buffer. place t he s e capacitor s as close as possible to the vpos pin . the exposed pad is internally connected to the ic ground and must be soldered down to a low impedance ground on the pcb. a filter capacitor ( c load ) and series resistor ( r1 ) may be inserted to form a low - pass filter for the output envelope . s mall c load va lues allow a quicker response to an rf burst waveform , and h igh c load values provide signal averaging and noise reduction. figure 37 . basic connections pcb layout recommendations p arasitic elements of the pcb such as coupling and radiation limit accuracy at very high frequencies . e nsure faithful power transmission from the connector to the internal circuit of the adl6010 . m icrostrip and cpw are p opular forms of trans mission lines because of their ease of fabrication and low cost. in the adl6010 evaluation b oard, a g rounded cpw ( gcpw) minimize s radiation effects and provide s the maximum bandwidth by using two rows of grounding vias on both side s of the signal trace. figure 38 shows the pcb layout of the adl6010 evaluation board in detail. minimize a ir gaps between the vias to ensure reliable transmission. because a certain minimum distance between two adjacent grounding vias in a single row is ne eded , adding a second row of grounding vias on both sides of the gcpw is recommended . in this way , a much smaller equivalent air gap between grounding vias is achieved , and better transmission is accomplished. figure 38 . adl6010 evaluation board system calibration a nd error calculation the measured transfer function of the adl6010 a t 10 ghz is shown in figure 39 . this plots both the conformance error and the output voltage vs. the input level at + 25c, + 85c, + 125c, ? 40c , and ? 55c. over the input level range from ?30 dbm to + 15 dbm, the output voltage varies from approximately 20 mv to 4.3 v. figure 39 . conformance error and output voltage vs. rf input power (p in ) for various temperature s (?55c, ?40c, +25c, +85c, and +125c) at 10 ghz u sing two point calibration t o achieve the high est measurement accuracy , perform calibration at the board level , as the ic scaling var ies from device to device. calibration begins by applying two or more known signal levels, v in1 and v in2 , within the operating range of the ic, and noting the corresponding outputs, v out1 and v out 2 . from these measurements, the slope and intercept of the scaling is extracted. for a two point calibration, the calculations are as follows: slope = ( v out2 ? v out1 )/( v in2 ? v in1 ) intercept = v out1 ? (slope v in1 ) where: e ach v in is the equivalent peak input voltage to rfin, at a 50 ? input impedance . once the slope and intercept are calculated and stored , use the following simple equation s to calculate the unknown input power : v in_ calculated = ( v out (measured) ? intercept )/ slope p in_calculated (dbm) = 10 l og 10 (1000 ( v in_calculated /?2 ) 2 /50) the conformance error is error (db) = p in_calculated (dbm) ? p in_ideal (dbm) figure 39 includes a plot of this error at ?55c, ?40c, +25c, +85c, and +125c when using a two point calibration with inputs at +5 dbm and C 20 dbm . the relative error at these two calibration points is equal to 0 db by definition. rfin rfcm vout comm c load (see text) r1 100? 1 1617-040 vpos c1 100pf c2 0.1f 4 5 6 3 2 1 linearizer adl6010 gnd vias rfin p ad 1 1617-041 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c 1 1617-042 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 calibr a tion a t ?20dbm and +5dbm rev. a | page 17 of 22
adl6010 data sheet multipoint calibration can be used to further improve accuracy and extend the dynamic rang e. t he transfer function is now broken into segments , with each having its own slope and intercept. thus, figure 40 shows the error plot of the same test device with calibration input points of ?28 dbm, ?10 dbm , and +10 dbm . the three point, dua l slope calibration results in tighter error bounds over the high end of the range and extends the lower measurement range to ? 30 dbm for 1 db error. figure 40 . conformance error and output voltage vs. rf input power (p in ) and temperature (?55c, ?40c, +25c, +85c, +125c) at 10 ghz u sing three point calibration for the device shown in figure 40 , the change in error with temperature is very small over the upper 25 db o f the measurement range, being 0.4 db, and widens at lower power levels, reaching 0.9 db over the ?10 dbm to ?20 db m segment . high volume production samples may perform better. for comparison, the three point calibration of a second device is shown in figure 41 using the same freq uency and calibration points. this sample has greater dynamic range, and the temperature dependence of error at lower power levels is inverted relative to the first device. figure 41 . 10 ghz conformance error and output voltage vs. rf input power (p in ) for second device at +25c, ?40c, ?55c, +85c, and +125c figure 42 shows the conformance error at 10 ghz for four devices at +25c , ?40c, and +85c using a three point calibration at input levels of ?28 dbm , ?10 dbm, and +10 dbm . the error plots at each temperature were calculated with respect to the slope and intercept values extracted from the 25c line in each case . this calculat ion is consistent with a typical production scenario where calibration at only one temperature is used . figure 42 illustrates the various error scenarios possible at low input levels. the dynamic range of the three point calibrated devices extends to ? 30 dbm for 1.0 db error at 25c. figure 42 . 10 ghz conformance error and output voltage vs. rf input power (p in ) at +25c, +85c , and ?40c for multiple devices 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c 1 1617-043 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 calibr a tion a t ?28dbm, ?10dbm, and +10dbm 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?55c ?40c +25c +85c +125c 1 1617-044 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 calibr a tion a t ?28dbm, ?10dbm, and +10dbm 4 3 2 1 0 ?1 ?2 ?3 ?4 10 1 0.1 0.01 0.001 p in (dbm) error (db) output vo lt age (v) ?40c +25c +85c 1 1617-045 15 5 ?5 ?15 ?25 20 10 0 ?10 ?20 ?30 calibr a tion a t ?28dbm, ?10dbm, and +10dbm rev. a | page 18 of 22
data sheet adl6010 effect of a c apacitave l oad on rise time and fall time the adl6010 can measure both the instantaneous envelope power and the average power of an rf signal. when vout is unloaded, the output follows the envelope of the input tracking bandwidths up to 40 mh z. by adding a simple rc circuit to the basic connections circuit as shown in figure 37 , th e outpu t signal can be averaged using single pole filtering . in applications where the response bandwidth is fairly low , place a large shunt capacitor , c load , directly on the vout pin. figure 43 shows how rise time and fall time depend on c load when the adl6010 is driven by a square wave modulated rf input at a carrier fre quency of 1 ghz . figure 43 . ris ing time / fall ing time vs. c load for a 1 ghz modulated pulsed wavefor m with p in = 0 dbm 0.001 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 rising time/ f alling time (s) c load (nf) f a l l t i me ( s ) 9 0 % t o 10% ri s e t i m e ( s ) 10 % t o 9 0% 1 1617-046 rev. a | page 19 of 22
adl6010 data sheet e valuation b oard the adl6010 - e va l z is a fully populated, 4 - layer, rogers 4003- based evaluation board. for no rmal operation, it only requires a 5 v supply connected to vpos and gnd . t he rf input signal is accepted at a high performance 2.92 mm connector (rfin). the output voltage is available on the sma c onnector (vout) or on the test loo p (v_ out). configuration options for the evaluation board are listed in table 4 . figure 44 . adl6010 evaluation board schematic table 4 . evaluation board configuration options coponent function/ coents default value r1, r2 output i nterface s . use a 100 series resistor when driving highly capacitive loads. r 2 can be replaced with a 0 resistor. r 1 = 100 (0402 size ) , r 2 = 100 (0402 size ) c1, c2 output load capacitors . capacitive load at the output that provide s the option of tailoring the rf burst response time. the pads of the capacitors are left open by default. c1, c2 = o pen c3, c4 bypass c apacitor s . the capacitors provide supply ac decoupling by forming a return path for the ac signal and reduc ing the noise reaching the input circuitry . the typical value is 0.1 f. c3 = 0.1 f ( 0402 size ) , c4 = 100 pf ( 0402 size ) rfin rf i nput. southwest m icrowave 2.92 mm connector is used for input interface. to prevent the potential damage of the connectors , 2.92 mm (k type) cables are recommended. rfin rfcm rfin rfcm p ad vpos vout comm vout c1 dni c2 dni r1 100? gnd 1 1617-047 vpos c4 100pf c3 0.1f r2 100? 4 5 3 2 1 adl6010 6 v_out rev. a | page 20 of 22
data sheet adl6010 evaluation board ass embly drawings figure 45 . adl6010 evaluation board layout, top side figure 46 . adl6010 evaluation board layout, bottom side 1 1617-048 1 1617-049 rev. a | page 21 of 22
adl6010 data sheet rev. a | page 22 of 22 outline dimensions fig ure 47. 6-lead lead frame chip scale package [lfcsp_ud] 2 mm 2 mm body, ultrathin, dual lead (cp-6-7) dimensions shown in millimeters ordering guide model 1 temperature r ange package description package option ordering quantity branding adl6010acpzn-r7 ?40c to +85c 6-lead lead frame chip scale package [lfcsp_ud] cp-6-7 3000 c1 adl6010scpzn-r7 ?55c to +125c 6-lead lead frame chip scale package [lfcsp_ud] cp-6-7 3000 q23 ADL6010-EVALZ evaluation board 1 1 z = rohs compliant part. 1.70 1.60 1.50 0.425 0.350 0.275 top view 6 1 4 3 0.35 0.30 0.25 bottom view pin 1 index area seating plane 0.60 0.55 0.50 1.10 1.00 0.90 0.2 ref 0.05 max 2.10 2.05 sq 2.00 0.65 bsc exposed pad p i n 1 i n d i c a t o r ( r 0 . 1 5 ) for proper connection of the exposed pad, refer to the pin configuration and function descriptions section of this data sheet. 0.20 min 07-31-2013-a pkg-004062 ?2014 analog devices, inc. all rights reserved. trademarks and registered trademarks are the prop erty of their respective owners. d11617-0-9/14(a)

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