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MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling ________________________________________________________________ maxim integrated products 1 19-3854; rev 0; 2/06 for pricing, delivery, and ordering information, please contact maxim/dallas direct! at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com. 15 16 14 13 5 6 7 8 com4 no4 en nc3 nc1 cb no2 com2 13 v cc 4 12 10 9 no1 com1 com3 no3 gnd nc2 max4911 2 11 nc4 thin qfn 3 mm x 3 mm + 15 16 14 13 5 6 7 8 com4 no4 cb2 nc3 nc1 cb1 no2 com2 13 v cc 4 12 10 9 no1 com1 com3 no3 gnd nc2 MAX4910 max4912 2 11 nc4 thin qfn 3 mm x 3 mm top view + pin configurations general description the MAX4910/max4911/max4912 quad, single- pole/double-throw (spdt), clickless audio switches fea- ture negative signal capability that allows signals as low as v cc -5.5v to pass through without distortion. these analog switches have a low on-resistance, low supply current, and operate from a single +1.8v to +5.5v supply. t he MAX4910/max4911/max4912 have internal shunt resistors that automatically discharge the capacitance at the normally open (no) and normally closed (nc) termi- nals when they are not connected. the MAX4910/ max4911 have shunt resistors on all no and nc terminals and the max4912 has shunt resistors on all no, nc1, and nc3 terminals. these shunt resistors reduce click-and- pop sounds that occur when switching audio signals between precharged points. a break-before-make feature further reduces popping. the MAX4910/max4912 control the switches in pairs with two control bits cb1 and cb2. the max4911 has one con- trol bit to switch all four switches and an enable pin en to put the switches in a high-impedance mode. the max4912 has two terminals without shunt resistors for switching applications that do not require pre-discharge switching. the MAX4910/max4911/max4912 are available in a tiny 16-pin tqfn-ep (3mm x 3mm) package and operate over the -40? to +85? extended temperature range. applications cell phones pdas and handheld devices notebook computers mp3 players features ? distortion-free negative signal throughput down to v cc - 5.5v ? internal shunt resistors reduce click-and-pop sounds ? high psrr reduces supply noise ? low on-resistance (0.37 ? ) ? 0.1 ? channel-to-channel matching ? 0.35 ? on-resistance flatness ? +1.8v to +5.5v single-supply voltage ? -80db crosstalk (20khz) ? -90db off-isolation (20khz) ? 0.05% total harmonic distortion ? enable control (max4911) ? 10na leakage current ? 150na supply current ordering information pa rt t em p r an g e pin- pa ck a g e t o p m a rk pk g c o de m a x4 9 1 0 e te+ - 40c to + 85c 16 tqfn- e p ** ad y t1633- 4 m a x4 9 1 1 e te+ * - 40c to + 85c 16 tqfn- e p ** ad z t1633- 4 m a x4 9 1 2 e te+ * - 40c to + 85c 16 tqfn- e p ** ae a t1633- 4 + denotes lead-free package. * future product?ontact factory for availability. ** ep = exposed pad. typical operating circuit appears at end of data sheet.
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling 2 _______________________________________________________________________________________ absolute maximum ratings electrical characteristics (v cc = +2.7v to +5.5v, t a = -40? to +85?, en = low (max4911 only), unless otherwise noted. typical values are at v cc = +3.0v, t a = +25?.) (note 1) stresses beyond those listed under ?bsolute maximum ratings?may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specificatio ns is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. (all voltages referenced to gnd.) v cc , cb_, en ........................................................-0.3v to +6.0v com_, nc_, no_ ...............................(v cc - 6v) to (v cc + 0.3v) continuous current no_, nc_, com_ ...........................?00ma peak current no_, nc_, com_ (pulsed at 1ms, 50% duty cycle)..........................................................?00ma peak current no_, nc_, com_ (pulsed at 1ms, 10% duty cycle)..........................................................?00ma continuous power dissipation (t a = +70?) 16-pin tqfn, single-layer board (derate 15.6mw/? above +70?) .............................1250mw 16-pin tqfn, multilayer board (derate 20.8mw/? above +70?) .............................1667mw operating temperature range ...........................-40? to +85? junction temperature ......................................................+150? storage temperature range .............................-65? to +150? lead temperature (soldering, 10s) .................................+300? parameter symbol conditions min typ max units power supply supply voltage v cc 1.8 5.5 v v cc = +5.5v, v cb_ = v en = 0v or v cc 0.15 2 v cc = +2.7v, v cb_ = v en = +0.5v or +1.4v 4 supply current i cc v cc = +5.5v, v cb_ = v en = +0.5v or +1.4v 8 ? analog switch analog signal range v nc _, v no _, v com _, (note 2) v cc - 5.5v v cc v t a = +25? 0.37 0.75 c hannel s 1 and 3, v c c = + 3.3v , v n c _ or v n o_ = v c c - 5.5v , - 1v , 0v , + 1v , + 2v , v c c , i c om 1 = i c om 3 = 100m a t a = t min to t max 0.8 ? t a = +25? 0.72 1.45 on-resistance (note 3) r on c hannel s 2 and 4, v c c = + 3.3v , v n c _ or v n o_ = v c c - 5.5v , - 1v , 0v , + 1v , + 2v , v c c , i c om 2 = i c om 4 = 100m a t a = t min to t max 1.6 ? channels 1 and 3, v cc = +3.3v, v nc_ or v no_ = 0, i com_ = 100ma 0.1 on-resistance match between channels (notes 3, 4) ? r on channels 2 and 4, v cc = +3.3v, v nc_ or v no_ = 0, i com_ = 100ma 0.1 ? c hannel s 1 and 3, v c c = +3.3v , v n c _ = v n o_ = v c c - 5.5v , - 1v , 0v , + 1v , + 2v , v c c , i c om _ = 100m a 0.35 on-resistance flatness (note 5) r flat c hannel s 2 and 4, v c c = +3.3v , v n c _ = v n o_ = v c c - 5.5v , - 1v , 0v , + 1v , + 2v , v c c , i c om _ = 100m a 0.6 ? shunt switch resistance r sh 2 3.8 6 k ?
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling _______________________________________________________________________________________ 3 note 1: all parameters are production tested at t a = +85? and guaranteed by design over the specified temperature range. note 2: signals on com_, no_, or nc_ exceeding v cc are clamped by internal diodes. limit forward-diode current to maximum current rating. note 3: guaranteed by design; not production tested. note 4: ? r on = r on(max) - r on(min) . note 5: flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the specified analog signal ranges. note 6: off-isolation = 20log 10 [v com_ / v no_ ], v com_ = output, v no _ = input to off switch. electrical characteristics (continued) (v cc = +2.7v to +5.5v, t a = -40? to +85?, en = low (max4911 only), unless otherwise noted. typical values are at v cc = +3.0v, t a = +25?.) (note 1) parameter symbol conditions min typ max units t a = +25? -10 +10 nc_ off-leakage current i nc_ ( off ) max4912 (nc2 and nc4) only: v cc = +2.7v, switch open, v nc_ = -2.5v or +2.5v, v com_ = +2.5v or -2.5v t a = t min to t max -50 +50 na t a = +25? -10 +10 com_ on-leakage current i com_ ( on ) v cc = +2.7v, switch closed; v nc_ or v no_ = -2.5v, +2.5v, or floating; v com_ = -2.5v, +2.5v, or floating t a = t min to t max -100 +100 na dynamic characteristics turn-on time t on v cc = +2.7v, cb_ = low to high, r l = 50 ? , c l = 5pf, v no_ = +1.5v, figure 2 0.055 0.15 ? turn-off time t off v cc = +2.7v, cb_ = high to low, r l = 50 ? , c l = 5pf, v no_ = +1.5v, figure 2 0.3 1.0 ? break-before-make delay time t d v c c = + 2.7v , c b_ = l ow to hi g h or hi g h to l ow , r l = 50 ? , c l = 5p f, v n c _ = v n o_ = + 1.5v , fi g ur e 3 125 ns charge injection q v gen_ = 0, r gen = 0, c l = 1nf, figure 4 300 pc p ow er - s up p l y rej ecti on rati o psrr f = 20khz, v com_ = 1v rms, r l = 50 ? , c l = 5pf 60 db off-isolation v iso f = 20khz, v com_ = 1v rms , r l = 50 ? , figure 5 (note 6) -90 db crosstalk v ct f = 20khz, v com_ = 1v rms , r l = 50 ? , figure 5 -80 db total harmonic distortion thd f = 20hz to 20khz, v com_ = 0.5v p-p , r l = 50 ? , dc bias = 0 0.05 % no_, nc_ off-capacitance c no _ ( off ) f = 1m h z, v c om _ = 0.5v p - p , d c b i as = 0, fi g ur e 6 100 pf com on-capacitance c com _ ( on ) f = 1m h z, v c om _ = 0.5v p - p , d c b i as = 0, fi g ur e 6 200 pf digital inputs (cb_, en ) input logic high v ih 1.4 v input logic low v il 0.5 v input leakage current i cb , i en v cb _ = v en = 0v or v cc -1 +1 ?
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling 4 _______________________________________________________________________________________ t ypical operating characteristics (v cc = 3.0v, t a = +25?, unless otherwise noted.) 0 0.5 1.0 1.5 2.0 2.5 3.0 -4 -2 -3 -1 012345 channel 1/3 on-resistance vs. com 1/3 voltage MAX4910/11/12 toc01 com voltage (v) on-resistance ( ? ) v cc = 1.8v v cc = 2.0v v cc = 2.3v v cc = 3.0v v cc = 2.5v v cc = 5.0v 0 1.0 0.5 2.0 1.5 3.0 2.5 3.5 4.5 4.0 5.0 -4 -2 -1 0 -3 12345 channel 2/4 on-resistance vs. com 2/4 voltage MAX4910/11/12 toc02 com voltage (v) on-resistance ( ? ) v cc = 1.8v v cc = 2.0v v cc = 2.3v v cc = 3.0v v cc = 2.5v v cc = 5.0v 0 0.2 0.6 0.4 0.8 1.0 -3 -1 -2 0 123 channel 1/3 on-resistance vs. com 1/3 voltage MAX4910/11/12 toc03 com voltage (v) on-resistance ( ? ) t a = +85 c t a = +25 c t a = -40 c 0 0.4 0.2 0.8 0.6 1.0 1.2 -3 -1 0 -2 123 channel 2/4 on-resistance vs. com 2/4 voltage MAX4910/11/12 toc04 com voltage (v) on-resistance ( ? ) t a = +85 c t a = +25 c t a = -40 c 0.8 0.6 0.4 0.2 0 -1 2 01 34 5 channel 1/3 on-resistance vs. com 1/3 voltage MAX4910/11/12 toc05 com voltage (v) on-resistance ( ? ) t a = +85 c t a = +25 c t a = -40 c v cc = 5.0v 0.8 0.6 0.4 0.2 0 -1 2 01 34 5 channel 2/4 on-resistance vs. com 2/4 voltage MAX4910/11/12 toc06 com voltage (v) on-resistance ( ? ) t a = +85 c t a = +25 c t a = -40 c v cc = 5.0v 0 60 40 20 100 80 180 160 140 120 200 1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3 supply current vs. supply voltage MAX4910/11/12 toc07 supply voltage (v) supply current (na) 200 250 350 300 400 450 1.8 2.8 3.3 2.3 3.8 4.3 4.8 5.3 nc turn-on / no turn-off time vs. supply voltage MAX4910/11/12 toc08 supply voltage (v) turn-on/turn-off time (ns) nc turn-on time no turn-off time
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling _______________________________________________________________________________________ 5 t ypical operating characteristics (continued) (v cc = 3.0v, t a = +25?, unless otherwise noted.) 10 30 20 60 50 40 90 80 70 100 1.8 3.3 3.8 2.3 2.8 4.3 4.8 5.3 no turn-on/nc turn-off time vs. supply voltage MAX4910/11/12 toc09 supply voltage (v) turn-on/turn-off time (ns) no turn-on time nc turn-off time 0 20 10 40 30 60 50 70 90 80 100 -40 -10 5 20 -25 35 50 65 80 no turn-on/nc turn-off time vs. temperature MAX4910/11/12 toc10 temperature ( c) turn-on/turn-off time (ns) nc turn-off time no turn-on time 270 290 280 310 300 330 320 340 360 350 370 -40 -10 5 20 -25 35 50 65 80 nc turn-on/no turn-off time vs. temperature MAX4910/11/12 toc11 temperature ( c) turn-on/turn-off time (ns) no turn-off time nc turn-on time 0 0.4 1.2 0.8 1.6 2.0 1.8 2.8 3.3 2.3 3.8 4.3 4.8 5.3 logic threshold vs. supply voltage MAX4910/11/12 toc12 supply voltage (v) logic threshold (v) v cb rising v cb falling 2.0 1.5 1.0 0.5 0 03 12 4 1.4 5 supply current vs. logic input voltage MAX4910/11/12 toc13 digital input voltage (v) supply current ( a) 0.5 v cc = +4.3v -300 -100 100 300 500 700 900 -3 -1 -2 012345 charge injection vs. common voltage MAX4910/11/12 toc14 v com (v) charge injection (pc) v cc = 5.0v v cc = 2.0v
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling 6 _______________________________________________________________________________________ total harmonic distortion vs. frequency MAX4910/11/12 toc19 frequency (khz) thd (%) 10 1 0.1 0.01 100 0.1 0.01 thd com thd com r l = 50 ? channel 2/3 power supply rejection ratio vs. frequency MAX4910/11/12 toc20 frequency (mhz) psrr (db) 10 1 0.1 20 40 60 80 100 0 0.01 100 channel 2/3 channel 1/4 off-isolation vs. frequency MAX4910/11/12 toc17 frequency (mhz) on-loss (db) 10 1 0.1 -100 -80 -60 -40 -20 0 -120 0.01 100 channel 2/4 channel 1/3 crosstalk vs. frequency MAX4910/11/12 toc18 frequency (mhz) on-loss (db) 10 1 0.1 -100 -80 -60 -40 -20 0 -120 0.01 100 com 2/4 com 1/3 frequency response MAX4910/11/12 toc16 frequency (mhz) on-loss (db) 10 1 0.1 -3 0 3 6 -6 0.01 100 channel 2/4 channel 1/3 leakage current vs. temperature MAX4910/11/12 toc15 temperature ( c) leakage current (pa) 60 35 10 -15 10 100 1000 10,000 1 -40 85 i com(on) i com(off) t ypical operating characteristics (continued) (v cc = 3.0v, t a = +25?, unless otherwise noted.)
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling _______________________________________________________________________________________ 7 detailed description the MAX4910/max4911/max4912 quad spdt audio switches are low on-resistance, low supply current, high power-supply rejection ratio (psrr) devices that operate from a +1.8v to +5.5v single supply. these devices feature a negative signal capability that allows signals below gnd to pass through without distortion and break-before-make switching. the MAX4910/max4912 have two digital control inputs cb1 and cb2 where each bit controls a pair of switch- es (see table 1). the max4911 has an active-low enable en and a digital control bit cb. driving en low takes the switches out of high impedance and cb con- trols all four switches (see table 2). the MAX4910/ max4911 have shunt resistors on all their no and nc terminals to suppress click-and-pop sounds that may occur from switching to a precharged terminal. the max4912 does not have click-and-pop suppression resistors on nc2 and nc4 for applications that do not require predischarge switching. pin description pin MAX4910/ max4912 max4911 name function 11 nc1 analog switch 1?ormally closed terminal 2 cb1 digital control input for analog switch 1 and analog switch 3 ? cb digital control input for all analog switches 33 no2 analog switch 2?ormally open terminal 44 com2 analog switch 2?ommon terminal 55 nc2 analog switch 2?ormally closed terminal 66 gnd ground 77 no3 analog switch 3?ormally open terminal 88 com3 analog switch 3?ommon terminal 99 nc3 analog switch 3?ormally closed terminal 10 cb2 digital control input for analog switch 2 and analog switch 4. ?0 en enable input. driving en high causes all switches to be high impedance. pull en low for normal operation. 11 11 no4 analog switch 4?ormally open terminal 12 12 com4 analog switch 4?ommon terminal 13 13 nc4 analog switch 4?ormally closed terminal 14 14 v cc positive supply voltage input 15 15 no1 analog switch 1?ormally open terminal 16 16 com1 analog switch 1?ommon terminal ep exposed pad. connect to ground table 1. MAX4910/max4912 truth tables cb1 nc1 no1 nc3 no3 0onoff on off 1offon off on cb2 nc2 no2 nc4 no4 0onoff on off 1offon off on table 2. max4911 truth table en cb nc_ no_ 1xof f off 01offon 00on off x = don? care.
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling 8 _______________________________________________________________________________________ applications information digital control inputs the MAX4910/max4911/max4912 logic inputs accept up to +5.5v, regardless of supply voltage. for example, with a +3.3v supply, cb1, cb2, cb, and en can be dri- ven low to gnd and high to +5.5v, allowing for mixed logic levels in a system. driving cb, cb1, cb2, and en rail-to-rail minimizes power consumption. for a +3.3v supply voltage, the logic thresholds are +0.5v (low) and +1.4v (high). gnd MAX4910 v cc cb1 cb2 control logic cb1 = 0, cb2 = 0. no3 nc3 com3 nc2 no2 com2 nc4 no4 com4 no1 nc1 com1 gnd max4912 v cc cb1 cb2 control logic cb1 = 0, cb2 = 0. no3 nc3 com3 nc2 no2 com2 nc4 no4 com4 no1 nc1 com1 gnd max4911 v cc no3 nc3 com3 nc2 no2 com2 nc4 no4 com4 no1 nc1 com1 cb control logic en en = 0, cb = 0. discharge paths have a 3.8k ? resistor (not shown). functional diagrams
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling _______________________________________________________________________________________ 9 analog signal levels the MAX4910/max4911/max4912 on-resistance is channel dependant. channels 1 and 3 have an on- resistance of 0.37 ? (typ), and channels 2 and 4 have an on-resistance of 0.72 ? (typ). the on-resistance flat- ness is guaranteed over temperature and shows mini- mal variation over the entire voltage supply range (see the typical operating characteristics ). the on-resis- tance flatness and low-leakage features make it ideal for bidirectional operation. the switches are bidirection- al, so the no_, nc_, and com_ pins can be either inputs or outputs. these devices pass signals as low as v cc - 5.5v, including signals below ground with minimal distortion. click-and-pop suppression the MAX4910/max4911 have a 3.8k ? (typ) shunt resis- tor on all their no and nc terminals to automatically discharge any capacitance when they are not connect- ed to com. the max4912 has shunt resistors on all no, nc1, and nc3 terminals. the shunt resistors reduce audible click-and-pop sounds that occur when switching between audio sources. audible clicks and pops are caused when a step dc voltage is switched into the speaker. the dc step tran- sients can be reduced by automatically discharging the side that is not connected to the com terminal, reducing any residual dc voltage and reducing clicks and pops. break-before-make switching the MAX4910/max4911/max4912 feature break- before-make switching, which is configured to break (open) the first set of contacts before engaging (clos- ing) the new contacts. this prevents the momentary connection of the old and new signal paths to the out- put, reducing click-and-pop sounds. power-supply sequencing and overvoltage protection caution: do not exceed the absolute maximum ratings since stresses beyond the listed ratings may cause permanent damage to the device. proper power-supply sequencing is recommended for all cmos devices. improper supply sequencing can force the switch into latchup causing it to draw exces- sive supply current. the only way out of latchup is to recycle the power and properly reapply it. connect all ground pins first, then apply power to v cc , and finally apply signals to no_, nc_, and com_. follow the reverse order upon power-down. gnd v cc 1.8v to 5.5v no2 com2 nc4 no4 com4 nc2 voice amp melody ic codec codec mp3 cb1 (cb) discharge control/ signal control cb2 (en) no1 com1 nc3 nc1 no3 com3 speaker 8 ? MAX4910 max4911 max4912 ( ) is for max4911 only figure 1. typical application circuit
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling 10 ______________________________________________________________________________________ t r < 5ns t f < 5ns 50% 0v logic input r l com_ gnd cb_ c l includes fixture and stray capacitance. v no_ v cc t off 0v no_ or nc_ 0.8 x v 0ut 0.8 x v out t on v out switch output logic input cb depends on switch configuration; input polarity determined by sense of switch. v cc c l v cc v out MAX4910 max4911 max4912 t est circuits/timing diagrams figure 2. switching time 50% v cc 0v logic input v out 0.8 x v out t bbm logic input r l gnd c l includes fixture and stray capacitance. no_ cb_ nc_ v out v cc v cc c l v n_ com_ MAX4910 max4911 max4912 figure 3. break-before-make interval v gen gnd com_ c l v out v cc v out cb_ off on off ? v out q = ( ? v out )(c l ) nc_ logic input waveforms inverted for switches that have the opposite logic sense. off on off cb_ v il to v ih v cc r gen cb_ or no_ MAX4910 max4911 max4912 figure 4. charge injection
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling ______________________________________________________________________________________ 11 measurements are standardized against shorts at ic terminals. off-isolation is measured between com_ and "off" no_ or nc_ terminal on each switch. on-loss is measured between com_ and "on" no_ or nc_ terminal on each switch. crosstalk is measured from one channel to the other channel. signal direction through switch is reversed; worst values are recorded. +5v v out v cc cb_ nc_ com_ no_ v in off-isolation = 20log v out v in on-loss = 20log v out v in crosstalk = 20log v out v in network analyzer 50 ? 50 ? 50 ? 50 ? meas ref 10nf 0v or v cc 50 ? gnd MAX4910 max4911 max4912 t est circuits/timing diagrams (continued) figure 5. on-loss, off-isolation, and crosstalk capacitance meter nc_ or no_ com_ gnd cb_ v il or v ih 10nf v cc f = 1mhz v cc MAX4910 max4911 max4912 figure 6. channel off-/on-capacitance
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling 12 ______________________________________________________________________________________ gnd v cc 1.8v to 5.5v no2 com2 nc4 no4 com4 nc2 voice amp melody ic uart codec cb1 (cb) discharge control/ signal control cb2 (en) no1 com1 nc3 nc1 no3 com3 speaker 8 ? MAX4910 max4911 max4912 ( ) is for max4911 only. headphones or uart t ypical operating circuit chip information process: bicmos
MAX4910/max4911/max4912 quad-spdt, clickless audio switches with negative signal handling maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circu it patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 ____________________ 13 2006 maxim integrated products printed usa is a registered trademark of maxim integrated products, inc. 12x16l qfn thin.eps 0.10 c 0.08 c 0.10 m c a b d d/2 e/2 e a1 a2 a e2 e2/2 l k e (nd - 1) x e (ne - 1) x e d2 d2/2 b l e l c l e c l l c l c package outline 21-0136 2 1 g 8, 12, 16l thin qfn, 3x3x0.8mm marking aaaa exposed pad variations 1.10 t1633-1 0.95 codes pkg. t1233-1 min. 0.95 nom. 1.10 d2 1.25 1.10 0.95 1.25 nom. 1.10 max. 1.25 min. 0.95 max. 1.25 e2 12 n k a2 0.25 ne a1 nd 0 0.20 ref - - 3 0.02 3 0.05 l e e 0.45 2.90 b d a 0.20 2.90 0.70 0.50 bsc. 0.55 3.00 0.65 3.10 0.25 3.00 0.75 0.30 3.10 0.80 16 0.20 ref 0.25 - 0 4 0.02 4 - 0.05 0.50 bsc. 0.30 2.90 0.40 3.00 0.20 2.90 0.70 0.25 3.00 0.75 3.10 0.50 0.80 3.10 0.30 pkg ref. min. 12l 3x3 nom. max. nom. 16l 3x3 min. max. 0.35 x 45 pin id jedec weed-1 0.35 x 45 weed-2 t1233-3 1.10 1.25 0.95 1.10 0.35 x 45 1.25 weed-1 0.95 t1633f-3 0.65 t1633-4 0.95 0.80 0.95 0.65 0.80 1.10 1.25 0.95 1.10 0.225 x 45 0.95 weed-2 0.35 x 45 1.25 weed-2 t1633-2 0.95 1.10 1.25 0.95 1.10 0.35 x 45 1.25 weed-2 no down bonds allowed yes no yes n/a no package outline 21-0136 2 2 g 8, 12, 16l thin qfn, 3x3x0.8mm yes weed-1 1.25 1.10 0.95 0.35 x 45 1.25 1.10 0.95 t1233-4 t1633fh-3 0.65 0.80 0.95 0.225 x 45 0.65 0.80 0.95 weed-2 n/a notes: 1. dimensioning & tolerancing conform to asme y14.5m-1994. 2. all dimensions are in millimeters. angles are in degrees. 3. n is the total number of terminals. 4. the terminal #1 identifier and terminal numbering convention shall conform to jesd 95-1 spp-012. details of terminal #1 identifier are optional, but must be located within the zone indicated. the terminal #1 identifier may be either a mold or marked feature. 5. dimension b applies to metallized terminal and is measured between 0.20 mm and 0.25 mm from terminal tip. 6. nd and ne refer to the number of terminals on each d and e side respectively. 7. depopulation is possible in a symmetrical fashion. 8. coplanarity applies to the exposed heat sink slug as well as the terminals. 9. drawing conforms to jedec mo220 revision c. 10. marking is for package orientation reference only. 11. number of leads shown are for reference only. 0.25 0.30 0.35 2 0.25 0 0.20 ref -- 0.02 0.05 0.35 8 2 0.55 0.75 2.90 2.90 3.00 3.10 0.65 bsc. 3.00 3.10 8l 3x3 min. 0.70 0.75 0.80 nom. max. tq833-1 1.25 0.25 0.70 0.35 x 45 no weec 1.25 0.70 0.25 package information (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation, go to www.maxim-ic.com/packages .) boblet

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