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tq p4m9071 high linearity 6 - bit, 31.5 db di gital step attenuator 24- pin 4x4mm leadless q fn package applications ? ? lte / wcdma / cdma / edge ? test equipments and sensors ? if and rf applications ? general purpose wireless product features ? ? ? ? 0.5 db lsb steps to 31.5 db ? +57 dbm input ip3 ? 1.7 db insertion loss at 2.2 ghz ? ttl / cmos compatible parallel control interface ? no requirement for external bypass capacitors for operation above 700 mhz ? 50 ? impedance ? +3.3v or +5v supply voltage functional block diagram n/c n/c n/c n/c gnd rf in v dd n/c n/c n/c gnd rf out d0 d1 d2 d3 d4 d5 acgnd0 acgnd1 acgnd2 acgnd3 acgnd4 acgnd5 6-bit 31.5 db dsa 8 7 12 13 14 9 10 11 23 24 19 22 21 20 15 16 17 18 6 5 4 3 2 1 pin 1 marking backside pad - gnd top view ordering information part no. description tqp4m9071 6 bit, 31.5 db dsa tqp4m9071 - pcb_ if 40? ?500 ? ? pin configuration pin no. label 1, 2, 3, 4, 15, 16, 17 n/c 6 rf i n 7, 8, 9, 10, 11, 12 acgnd0 - acgnd5 13 rf o ut 18 v dd 19, 20, 21, 22, 23, 24 d0 ? ? general description the tqp4m9071 is a high linearity, low insertion loss, 6 bit, 31.5 db digital step attenuator (dsa) operating over the dc ? ? ? 4 ghz frequency range. the digital step attenuator uses a single positive + 3.3 ? v or + 5 ? v supply and has a parallel control inter face for changing attenuation states. this product maintains high attenuation accuracy over frequency and temperature. no external matching components are needed for the dsa. the product has an added feature of not requiring external ac ground capacitors for operation above 700 mhz. the tqp4m9071 is available in a standard lead - free /green/rohs - compliant 24 - pin 4x4mm qfn package. a lso available from triquint is the tqp4m907 2, a footprint and pin compatible dsa with a serial control interface . datasheet: rev m 08- 1 5 - 1 4 - 1 of 11 - disclaimer: subject to change without notice ? 201 4 triquint www.triquint.com
tq p4m9071 high linearity 6 - bit, 31.5 db di gital step attenuator r ecommended operating conditions parameter min typ max units device voltage (v dd ) + 3.3 + 5.0 + 5.25 v case temperature ? absolute maximum ratings parameter rating storage temperature ? ? ? ,t = 85 ? ? electrical specifications test conditions : v dd =+5 ? v, temp= +25 ? c, 50 ? system, mode 1, no external bypass capacitors used on pins 7 - 12. parameter conditions min typ max units operational f requency range see note 1 and 2. dc 4000 mhz insertion loss 1.0 ghz 1.3 db 2.0 ghz 1.6 db 2.2 ghz 1.7 2.2 db 3.5 ghz 2.1 db return loss all states 17 db accuracy error 0.04 ? ? ? ? ? 2.7 ghz, all states, mode 1 or mode 2 (0.3 + 3% of atten. setting) max db 2.7 ? ? to be monotonic (step attenuation 0) 0 0.5 db input ip3 input power? = +15 ? dbm / tone, all states +57 dbm input p0.1db all states, dc - 4 ghz +30 dbm time rise / fall 10% / 90% rf 90 ns time on , time off 50% ctl to 10% / 90% rf 100 ns supply voltage, v dd see note 3. +5 v supply current, i dd 1.4 ma n otes: 1. in mode 1 no external bypass capacitors are used and operating frequency is 0.7 ? ? ? 4ghz. see detailed device de scription . 2. in mode 2 external bypass capacitors are used and operating frequency may be extended to 0.04 ? ? ? 4ghz. see detailed device de scrip tion . 3. the product can be operated at lower v dd of +3.3v with reduced performance. control logic requirements device has six ttl/cmos compatible parallel control inputs to select attenuation states. test conditions v dd = +5 ? ? parameter c onditions min typical max units low state input voltage 0 0.8 v high state input voltage 2 v dd v low state current v ctrl? = ? + 0.8?v 5 ua ua high state current v ctrl? = ? +5 ? v 50 ua ua datasheet: rev m 08- 1 5 - 1 4 - 2 of 11 - disclaimer: subject to change without notice ? 201 4 triquint www.triquint.com
tq p4m9071 high linearity 6 - bit, 31.5 db di gital step attenuator detailed device description the tqp4m9071 is a high lineari ty, low insertion loss, wideband, 6 - bit, 31.5 db digital step attenuator. the digital step attenuator uses a single + 3.3 ? v or + 5 ? v supply and has a parallel control interface for changing attenuation states. this product maintains high attenuation accuracy over frequency and temperature. the product does not require any external bypass capacitors on ac ground pins for operation above 700 mhz. the dsa performance remains unchanged for frequency range 0.7 ? 4 ghz in either mode 1 or mode 2. the operating fr equency may be extended to low frequency range (0.04 ? 0.7 ghz) with external bypass capacitors on ac ground pins (acgnd0 - acgnd5). further assistance may be requested from tri q uint applications engineering: email: sjcapplications.engineering@triquint.com control logic truth table test conditions: + 25 ? ? lsb control bits msb attenuation state d0 d1 d2 d3 d4 d5 1 1 1 1 1 1 reference : il 0 1 1 1 1 1 0.5 db 1 0 1 1 1 1 1 db 1 1 0 1 1 1 2 db 1 1 1 0 1 1 4 db 1 1 1 1 0 1 8 db 1 1 1 1 1 0 16 db 0 0 0 0 0 0 31.5 db any combination of the possible 64 states will provide an attenuation of approximately the sum of bits selected functional schematic diagram datasheet: rev m 08- 1 5 - 1 4 - 3 of 11 - disclaimer: subject to change without notice ? 201 4 triquint www.triquint.com
tq p4m9071 high linearity 6 - bit, 31.5 db di gital step attenuator t ypical performance plots performance plots data is measured using bias tee on rf ports in mode 2 configuration. mode 2 operation is required to obtain performance at frequencies lower than 0.7 ghz. for frequency range 0.7 ? ? ? 4.0 ghz, data is identical in mode 1 and mode 2. - 35 - 30 - 25 - 20 - 15 - 10 - 5 0 0 500 1000 1500 2000 2500 3000 3500 4000 input return loss (db) frequency (mhz) input return loss only major states, vdd = 5v, 25c 0db 1db 2db 4db 8db 16db 31.5db - 30 - 25 - 20 - 15 - 10 - 5 0 0 500 1000 1500 2000 2500 3000 3500 4000 input return loss (db) frequency (mhz) input return loss vs. temperature vdd = 5v, attenuation state = 0db 25c - 40c 85c - 35 - 30 - 25 - 20 - 15 - 10 - 5 0 0 500 1000 1500 2000 2500 3000 3500 4000 insertion loss (db) frequency (mhz) attenuation only major states, vdd = 5v, 25 o c 0.5db 1db 2db 4db 8db 16db 31.5db - 35 - 30 - 25 - 20 - 15 - 10 - 5 0 0 500 1000 1500 2000 2500 3000 3500 4000 input return loss (db) frequency (mhz) input return loss only major states, vdd = 5v, 25c 0db 1db 2db 4db 8db 16db 31.5db - 30 - 25 - 20 - 15 - 10 - 5 0 0 500 1000 1500 2000 2500 3000 3500 4000 output return loss (db) frequency (mhz) output return loss vs. temperature vdd = 5v, attenuation state = 0db 25c - 40c 85c datasheet: rev m 08- 1 5 - 1 4 - 4 of 11 - disclaimer: subject to change without notice ? 201 4 triquint www.triquint.com
tq p4m9071 high linearity 6 - bit, 31.5 db di gital step attenuator typical performance plots 45 50 55 60 65 0 5 10 15 20 25 30 input ip3 (dbm) attenuation states input ip3 frequency : 2ghz, vdd = 5v +25c - 40c +85c 45 50 55 60 65 0 5 10 15 20 25 30 input ip3 (dbm) attenuation states input ip3 mode 2 , frequency : 150mhz, vdd = 5v +25c - 40c +85c - 10 0 10 20 30 40 50 60 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 relative phase (degree) frequency (ghz) relative phase vs. frequency 0.5 db 1db 2db 4db 8db 16db 31.5db vdd = 5 v , temp. = 25 o c - 1.0 - 0.8 - 0.6 - 0.4 - 0.2 0.0 0.2 0.4 0.6 0.8 1.0 0 5 10 15 20 25 30 attenuation error (db) attenuation states (db) attenuation error vs. attenuation states 0.9 ghz 1.8 ghz 2.2 ghz 2.7 ghz vdd = 5 v , temp. = 25 o c datasheet: rev m 08- 1 5 - 1 4 - 5 of 11 - disclaimer: subject to change without notice ? 201 4 triquint www.triquint.com
tq p4m9071 high linearity 6 - bit, 31.5 db di gital step attenuator mode 1: 0.7 ? 4.0 ghz operation (tqp4m9071 - pcb_rf) no external bypass capacitors required. there are 0.2 pf shunt capacitors (c5 and c7) next to rf connectors, on the application board, to resonate out the rf connector parasitic. these shunt capacitors are not required in the final application circuit. 1 2 3 4 5 6 acgnd5 rf out 18 17 16 15 14 13 24 23 22 21 20 19 7 8 9 10 11 12 acgnd4 acgnd3 acgnd2 acgnd1 acgnd0 gnd nc nc nc vdd d5 d4 d3 d2 d1 d0 nc nc nc nc gnd rf in u1 c1 1000pf 50 ohms rf input rf output c3 1000pf 50 ohms c4 0.1uf r4 15 vdd j1 j2 mode 2: 0.04 ? 4.0 ghz operation (tqp4m9071 - pcb_if) external bypass capacito rs required on acgnd0 - acgnd5 pins. for improved operation below 0.1 ghz, blocking and bypass capacitors values can be increased to 10 nf. this circuit configuration can also be used for operation up to 4 ghz. the dsa performance remains unchanged for fre quency range 0.7 ? 4.0 ghz in either mode 1 or mode 2. there are 0.2 pf shunt capacitors (c5 and c7) next to rf connectors, on the application board, to resonate out the rf connector parasitic. these shunt capacitors are not required in the final applicati on circuit. vdd j1 j2 datasheet: rev m 08- 1 5 - 1 4 - 6 of 11 - disclaimer: subject to change without notice ? 201 4 triquint www.triquint.com
tq p4m9071 high linearity 6 - bit, 31.5 db di gital step attenuator tqp4m9071 - pcb _rf/if schematic 1 2 3 4 5 6 acgnd6 rf out 18 17 16 15 14 13 24 23 22 21 20 19 7 8 9 10 11 12 acgnd5 acgnd4 acgnd3 acgnd2 acgnd1 gnd nc nc nc vdd d5 d4 d3 d2 d1 d0 nc nc nc nc gnd rf in u1 c11 c13 330pf 330pf c1 1000pf c10 330pf 50 ohms c5 0.2pf rf input c7 0.2pf rf output c3 1000pf 50 ohms c4 0.1uf r4 15 vdd j5-1 vdd j5-2 gnd j5-3 j5-4 j5-5 d4 j5-6 d5 j5-7 d2 j5-8 d3 j5-9 d0 j5-10 d1 j5-11 j5-12 j5-13 j5-14 j5-15 j5-16 j5-17 j5-18 j5-19 j5-20 gnd vdd j1 j2 c5 not required for final application circuit. used on pcb to resonate out the rf connector parasitics. c7 not required for final application circuit. used on pcb to resonate out the rf connector parasitics. c12 330pf c8 1000pf 50 ohms c14 0.2pf rf input c15 0.2pf rf output c9 1000pf 50 ohms j6 j7 50 ohms bill of material: tqp4m9071 - pcb_r f reference desg. value description manufacturer part number u1 n/a high linearity 6 - bit, 31.5db, dsa triquint tqp4m9071 c4 0.1 uf cap, chip, 0402, 16v, 20% various c1,c3,c8, c9 1000 pf cap, chip, 0402, 50v, 10% various r1 15 res, chip, 0402, 1/16w, 5% various c10, c11, c12, c13 dnp do not place various bill of material: tqp4m9071 - pcb_if reference desg. value description manufactur er part number u1 n/a high linearity 6 - bit, 31.5db, dsa triquint tqp4m9071 c4 0.1 uf cap, chip, 0402, 16v, 20% various c1,c3,c8, c9 1000 pf cap, chip, 0402, 50v, 10% various r1 15 datasheet: rev m 08- 1 5 - 1 4 - 7 of 11 - disclaimer: subject to change without notice ? 201 4 triquint www.triquint.com
tq p4m9071 high linearity 6 - bit, 31.5 db di gital step attenuator pin configuration and description n/c n/c n/c n/c gnd rf in v dd n/c n/c n/c gnd rf out d0 d1 d2 d3 d4 d5 acgnd0 acgnd1 acgnd2 acgnd3 acgnd4 acgnd5 6-bit 31.5 db dsa 8 7 12 13 14 9 10 11 23 24 19 22 21 20 15 16 17 18 6 5 4 3 2 1 pin 1 marking backside pad - gnd top view pin no. label description 6 rf in rf input , dc voltage present, blocking capacitor required 7 acgnd0 ac ground for extended low frequency operation option 8 acgnd1 ac ground for extended low frequency operation option 9 acgnd2 ac ground for extended low frequency operation option 10 acgnd3 ac ground for extended low frequency operation option 11 acgnd4 ac ground for extended low frequency operation option 12 acgnd5 ac ground for extended low frequency operation option 13 rf out rf output , dc voltage present, blocking capacitor required 18 v dd supply voltage, bypass capacitor required close to the pin 19 d5 16 db attenuation control bit 20 d4 8 db attenuation control bit 21 d3 4 db attenuation control bit 22 d2 2 db attenuation control bit 23 d1 1 db attenuation control bit 24 d0 0.5 db attenuation control bit 5, 14 gnd these pins must be connected to rf/dc ground 1, 2, 3, 4, 15, 16, 17 n/c no electrical connection. land pads should be provided for pcb mounting integrity. backside pad gnd rf/dc ground. use recommended via pattern to minimize inductance and thermal resistance. see pcb mounting pattern for suggested footprint. datasheet: rev m 08- 1 5 - 1 4 - 8 of 11 - disclaimer: subject to change without notice ? 201 4 triquint www.triquint.com
tq p4m9071 high linearity 6 - bit, 31.5 db di gital step attenuator applications information pc board l ayout top r f layer is .020? rogers - 4003, ? ? (r1) dropping resistor is highly recommended on vdd supply line. rf layout is critical for getting the best performance rf trace impedance needs to be 50 ohm. for measuring the actual device performance on connectorized pc board, input losses due to rf traces need to be subtracted from the data measured through sma connectors. the calibration microstrip line j6 - j7 estimates the pcb insertion loss for removal from the evaluation board measured data. all data shown on the datasheet are de - embedded up to the device input/output pins. the pc board is designed to test using usb control interface board, evaluation board host (evh). each tqp4m9071 evaluation board is supplied with the evh board, usb cable and evh graphical user interface (evh gui) to change attenuation states. manual for using evh and application note describing the evh are also available. refer to triquint?s website for more information the pad pattern shown has been developed and tested for optimized assembly at triquint semiconductor. the pcb land pattern has been developed to accommodate lead and package tolerances. since surface mount processes vary from company to company, careful process development is recommended. datasheet: rev m 08- 1 5 - 1 4 - 9 of 11 - disclaimer: subject to change without notice ? 201 4 triquint www.triquint.com
tq p4m9071 high linearity 6 - bit, 31.5 db di gital step attenuator package marking and dimensions gnd/thermal pad .10 c .08 c seating plane 24x 4.000 4.000 2.700.05 exp. dap 24x 0.400.05 2.700.05 exp. dap .8500.050 c 24x 0.250.05 24x 0.50 pitch pin #1 identifier chamfer 0.300 x 45 terminal #1 identifier 5 6 6 4 5 r.075 2.50 ref. .203 ref. 0.000 0.050 n otes : 1. all dimensions are in millimeters. angles are in degrees. 2. except where noted, this part outline conforms to jedec standard mo - 220, issue e (variation vggc) for thermally enhanced plastic very thin fine pitch quad flat no lead package (qfn). 3. dimension and tolerance form ats conform to asme y14.4m - 1994. 4. the terminal #1 identifier and terminal numbering conform to jesd 95 - 1 spp- 012. 5. co - planarity applies to the exposed ground/thermal pad as well as the contact pins. 6. package body length/width does not include plastic flash pr otrusion across mold parting line. pcb mounting pattern n otes : 1. all dimensions are in millimeters. angles are in degrees. 2. use 1 oz. copper minimum for top and bottom layer metal. 3. vias are required under the backside paddle of this device for pro per rf/dc groun ding and thermal dissipation. we recommend a 0.35mm (#80/.0135") diameter bit for drilling via holes and a final plated thru diameter of 0.25 mm (0.10?). 4. ensure good package backside paddle solder attach for reliable operation and best el ectrical performance. 4m9071 yyww aaxxxx package marking product identifier: 4m9071 date code: yyww assembly code: aaxxxx datasheet: rev m 08- 1 5 - 1 4 - 10 of 11 - disclaimer: subject to change without notice ? 201 4 triquint www.triquint.com
tq p4m9071 high linearity 6 - bit, 31.5 db di gital step attenuator product compliance information esd sensitivity ratings caution! esd - sensitive device esd rating : class 1b value: 500? v to < ? 1000 ? v test: human body model (hbm) standard: esda/ jedec standard js - 001- 2012 esd rating: class c3 value: 1000? v test: charged device model (cdm) standard: jedec standard jesd22 - c101 f solderability compatible with both lead - free (260 ? c max imum reflow temp erature ) and tin/lead (245 ? c max imum reflow temp erature ) soldering processes. package lead plating: annealed matte tin over copper rohs compliance this part is compliant with eu 2002/95/ec rohs directive (restrictions on the use of certain hazardous substances in electrical and electronic equipment). this pr oduct also has the following attributes: ? halogen free (chlorine, bromine) ? antimony free ? tbbp - a (c 15 h 12 br 4 0 2 ) free ? pfos free ? svhc free ? lead free msl rating msl rating: level 1 test: +260 ? c convection reflow standard: jedec standard ipc/jedec j - std - 020 contact information for the latest specifications, additional product information, worldwide sales and distribution locations, and information about triquint: web: www.triquint.com tel: +1.503.615.9000 email: info - sales@triquint.com fax: +1.503.615.8902 for technical questions and application information: email: sjcapplications.engineering@triquint.com important notice the information contained herein is believed to be reliable. triquint makes no warranties regarding the information contained herein. triquint ass umes no responsibility or liability whatsoever for any of the information contained herein. triquint assumes no responsibility or liability whatsoever for the use of the information contained herein. the information contained herein is provided "as is, w here is" and with all faults, and the entire risk associated with such information is entirely with the user. all information contained herein is subject to change without notice. customers should obtain and verify the latest relevant information before placing orders for triquint products. the information contained herein or any use of such information does not grant, explicitly or implicitly, to any party any patent rights, licenses, or any other intellectual property rights, whether with regard to suc h information itself or anything described by such information. triquint products are not warranted or authorized for use as critical components in medical, life - saving, or life - sustaining applications, or other applications where a failure would reasonably be expected to cause severe personal injury or death. datasheet: rev m 08- 1 5 - 1 4 - 11 of 11 - disclaimer: subject to change without notice ? 201 4 triquint www.triquint.com

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