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general description the max4695 is a low-voltage, dual single-pole/double- throw (spdt) analog switch that operates from a single +1.8v to +5.5v supply. the max4695 features break- before-make switching action with a t on = 30ns and t off = 18ns at +3v. when powered from a +2.7v supply, the device has a 60 ? (max) on-resistance (r on ), with 3 ? (max) r on matching and 10 ? (max) r on flatness. the digital logic inputs are 1.8v-logic compatible from a +2.7v to +3.3v supply. the max4695 is available in both a space-sav- ing 3mm x 3mm 12-pin tqfn package and a 10-pin ?ax package. applications mp3 players battery-operated equipment relay replacement audio and video signal routing low-voltage data-acquisition systems communications circuits pcmcia cards cellular phones modems features ? 3mm x 3mm 12-pin thin qfn package ? guaranteed on-resistance: 60 ? (max) (+2.7v supply) 25 ? (typ) (+5v supply) ? guaranteed match between channels: 3 ? (max) ? guaranteed flatness over signal range: 10 ? (max) ? guaranteed low leakage currents: 100pa (max) at +25? ? switching time: t on = 30ns, t off = 18ns ? +1.8v to +5.5v single-supply operation ? rail-to-rail signal handling ? -3db bandwidth: >300mhz ? low crosstalk: -82db (1mhz) ? high off-isolation: -75db (1mhz) ? low 4pc charge injection ? thd: 0.03% ? +1.8v cmos-logic compatible max4695 low-voltage, 60 ? dual spdt analog switch in thin qfn ________________________________________________________________ maxim integrated products 1 top view in_ 0 1 no_ max4695 off on nc_ on switches shown for logic "0" input off nc2 no2 com2 in2 2 3 9 8 nc1 v+ gnd no1 1 10 com1 in1 4 5 7 6 max 12 in1 11 com1 10 n.c. 9 nc1 8 v+ 7 nc2 4 in2 5 com2 6 n.c. 1 no1 2 gnd 3 no2 max4695 max4695 thin qfn pin configurations ordering information 19-2044; rev 1, 2/05 part temp range pin-package MAX4695ETC -40? to 85? 12 tqfn max4695eub -40? to 85? 10 ?ax ?ax is a registered trademark of maxim integrated products, inc. 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.
max4695 low-voltage, 60 ? dual spdt analog switch in thin qfn 2 _______________________________________________________________________________________ absolute maximum ratings electrical characteristics?ingle +3v supply (v+ = +2.7v to +3.3v, v ih = +1.4v, v il = +0.5v, t a = -40? to +85?, unless otherwise noted. typical values are at v+ = +3v and t a = +25?.) (notes 2, 9) 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. note 1: signals on in_, com_, no_, and nc_ exceeding v+ or gnd are clamped by internal diodes. limit forward-diode current to maximum current rating. (voltages referenced to gnd) v+ ............................................................................-0.3v to +6v all other pins (note 1) .............................. -0.3v to (v+ + 0.3v) continuous current com_, no_, nc_ .............................?0ma peak current com_, no_, nc_ (pulsed at 1ms, 10% duty cycle) ...............................?0ma esd per method 3015.7 .........................................................2kv continuous power dissipation (t a = +70?) 10-pin ?ax (derate 4.7mw/? above +70?) ......... 330mw 12-pin thin qfn (derate 16.7mw/? above +70?) 1333.3mw operating temperature range .......................... -40? to +85? storage temperature range ........................... -65? to +150? lead temperature (soldering, 10s) ............................... +300? parameter symbol conditions t a min typ max units analog switch analog signal range v com_ , v no_ , v nc_ _ 0v+v +25 c4060 on-resistance r on v+ = +2.7v, i com_ = 1ma, v no_ or v nc_ = +1.4v t min to t max 70 ? +25 c 0.5 3 on-resistance match between channels (note 3) ? r on v+ = +2.7v, i com_ = 1ma, v no_ or v nc_ = +1.4v t min to t max 4 ? +25 c610 on-resistance flatness (note 4) r flat ( on ) v+ = +2.7v, i com_ = 1ma, v no_ or v nc_ = +1v, +1.4v, +1.8v t min to t max 15 ? +25 c -0.1 0.01 +0.1 no_, nc_ off-leakage current (note 5) i n o_ ( off ) , i n c _ ( off ) v+ = +3.3v, v com_ = +0.3v, +3v v no_ or v nc_ = +3v, +0.3v t min to t max -1 +1 na +25 c -0.2 0.01 +0.2 com_ on-leakage current (note 5) i c om _ ( on ) v + = + 3.3v , v c om_ = + 0.3v , +3v v n o_ or v n c _ = + 0.3v , +3v , or fl oati ng t min to t max -2 +2 na dynamic +25 c2430 turn-on time t on v n o or v n c _ = +1.5v, r l = 300 ? , c l = 35pf, figure 2 t min to t max 40 ns +25 c1218 turn-off time t off v n o or v n c _ = +1.5v, r l = 300 ? , c l = 35pf, figure 2 t min to t max 20 ns +25 c12 break-before-make time (note 6) t bbm v n o or v n c _ = +1.5v, r l = 300 ? , c l = 35pf, figure 3 t min to t max 2 ns charge injection q v gen = 0, r gen = 0, c l = 1.0nf, figure 4 4pc on-channel -3db bandwidth bw signal = 0dbm, 50 ? in and out, figure 5 300 mhz off-isolation (note 7) v iso f = 1mhz, r l = 50 ? , c l = 5pf, figure 5 -75 db
max4695 low-voltage, 60 ? dual spdt analog switch in thin qfn _______________________________________________________________________________________ 3 electrical characteristics?ingle +5v supply (v+ = +4.5v to +5.5v, v ih = +2.0v, v il = +0.8v, t a = -40? to +85?, unless otherwise noted. typical values are at v+ = +5v and t a = +25?.) (notes 2, 9) parameter symbol conditions t a min typ max units analog switch analog signal range v com_ , v no_ , v nc_ 0v+v +25 c2535 on-resistance r on v+ = +4.5v, i com_ = 1ma, v no_ or v nc_ = +3.5v t min to t max 40 ? +25 c 0.5 2 on-resistance match between channels (note 3) ? r on v+ = +4.5v, i com_ = 1ma, v no_ or v nc_ = +3.5v t min to t max 3 ? +25 c48 on-resistance flatness (note 4) r flat ( on ) v+ = +4.5v, i com_ = 1ma, v no_ or v nc_ = +1v, +2.5v, +3.5v t min to t max 10 ? +25 c -0.1 0.01 +0.1 no_, nc_ off-leakage current (note 5) i n o_ ( off ) , i n c _ ( off ) v+ = +5.5v, v com_ = +1v, +4.5v v no_ or v nc_ = +4.5v, +1v t min to t max -1 +1 na +25 c -0.2 0.01 +0.2 com_ on-leakage current (note 5) i c om _ ( on ) v + = + 5.5v , v c om_ = + 1v , + 4.5v v n o_ or v n c _ = + 1v , + 4.5v , or fl oati ng t min to t max -2 +2 na dynamic +25 c1725 turn-on time t on v n o_ , v n c _ = +3v, r l = 300 ? , c l = 35pf, figure 2 t min to t max 30 ns +25 c815 turn-off time t off v n o_ , v n c _ = +3v, r l = 300 ? , c l = 35pf, figure 2 t min to t max 20 ns electrical characteristics?ingle +3v supply (continued) (v+ = +2.7v to +3.3v, v ih = +1.4v, v il = +0.5v, t a = -40? to +85?, unless otherwise noted. typical values are at v+ = +3v and t a = +25?.) (notes 2, 9) parameter symbol conditions t a min typ max units crosstalk (note 8) v ct f = 1mhz, r l = 50 ? , c l = 5pf, figure 5 -82 db total harmonic distortion thd f = 20hz to 20kh z, 2v p -p , r l = 600 ? 0.03 % no_, nc_ off-capacitance c n o_ ( off) , c n c _ ( off ) f = 1mhz, v n o _ or v n c _ = gnd, figure 6 7pf com_ on-capacitance c com_ ( on ) f = 1mhz, v n o _ or v n c _ = gnd, figure 6 19 pf digital i/o input logic high v ih 1.4 v input logic low v il 0.5 v input leakage current i ih , i il v in _ = 0 or v+ -1 +1 ? supply power-supply range v+ 1.8 5.5 v power-supply current i+ v+ = +5.5v, v in_ = 0 or v+ 1 a
max4695 low-voltage, 60 ? dual spdt analog switch in thin qfn 4 _______________________________________________________________________________________ note 2: the algebraic convention, where the most negative value is a minimum and the most positive value a maximum, is used in this data sheet. note 3: ? ron = r on(max) - r on(min) . note 4: flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the specified analog signal ranges. note 5: leakage currents are 100% tested at t a = +85?. limits across the full temperature range are guaranteed by correlation. note 6: guaranteed by design. note 7: off-isolation = 20log 10 (v com_ / v no_ ), v com_ = output, v no_ = input to off switch. note 8: between any two switches. note 9: -40? specifications are guaranteed by design. electrical characteristics?ingle +5v supply (continued) (v+ = +4.5v to +5.5v, v ih = +2.0v, v il = +0.8v, t a = -40? to +85?, unless otherwise noted. typical values are at v+ = +5v and t a = +25?.) (notes 2, 9) parameter symbol conditions t a min typ max units +25 c9 break-before-make time (note 6) t bbm v n o_ , v n c _ = +3v, r l = 300 ? , c l = 35pf, figure 3 t min to t max 2 ns charge injection q v gen = 0, r gen = 0, c l = 1.0nf, figure 4 8pc on-channel -3db bandwidth bw signal = 0dbm, 50 ? in and out, figure 5 300 mhz off-isolation (note 7) v iso f = 1mhz, r l = 50 ? , c l = 5pf, figure 5 -75 db crosstalk (note 8) v ct f = 1mhz, r l = 50 ? , c l = 5pf, figure 5 -82 db total harmonic distortion thd f = 20hz to 20khz, 2vp-p, r l = 600 ? 0.02 % digital i/o input logic high v ih 2.0 v input logic low v il 0.8 v input leakage current i ih , i il v in _ = 0 or v+ -1 +1 ? supply power-supply range v+ 1.8 5.5 v positive supply current i+ v+ = +5.5v, v in = 0 or v+ 1 a
max4695 low-voltage, 60 ? dual spdt analog switch in thin qfn _______________________________________________________________________________________ 5 0 40 20 80 60 120 100 140 02 1 345 on-resistance vs. v com max4695 toc01 v com (v) r on ( ? ) v+ = +1.8v v+ = +2.5v v+ = +3v v+ = +5v v+ = +5.5v 0 20 10 40 30 50 60 0 1.0 0.5 1.5 2.0 2.5 on-resistance vs. v com max4695 toc02 v com (v) r on ( ? ) t a = +85? v+ = +2.5v t a = +25? t a = -40? 0 15 10 5 20 25 30 35 40 45 50 0 1.0 0.5 1.5 2.0 2.5 3.0 on-resistance vs. v com max4695 toc03 v com (v) r on ( ? ) t a = +85 c v+ = +3v t a = +25 c t a = -40 c 0 10 5 15 30 35 25 20 40 0 1.0 1.5 2.0 2.5 0.5 3.0 3.5 4.0 4.5 5.0 on-resistance vs. v com max4695 toc04 v com (v) r on ( ? ) t a = +85 c v+ = +5v t a = +25 c t a = -40 c 0.01 1 0.1 100 10 1000 10,000 -40 10 -15 35 60 85 supply current vs. temperature max4695 toc05 temperature ( c) supply current (pa) v+ = +3v v+ = +5v 0.000001 0.001 0.0001 0.00001 0.01 0.1 1 10 100 1000 10,000 02 1 345 supply current vs. logic input voltage max4695 toc06 logic level (v) supply current ( a) v+ = +5v v+ = +3v 1000 100 10 1 0.1 -40 10 -15 35 60 85 on-leakage current vs. temperature max4695 toc07 temperature ( c) on-leakage (pa) v+ = +5v v+ = +3v typical operating characteristics (t a = +25?, unless otherwise noted.)
max4695 low-voltage, 60 ? dual spdt analog switch in thin qfn 6 _______________________________________________________________________________________ 1000 100 10 1 0.1 -40 10 -15 35 60 85 off-leakage current vs. temperature max4695 toc08 temperature ( c) off-leakage (pa) v+ = +5v v+ = +3v 1.5 3.0 3.5 2.0 2.5 4.0 4.5 5.0 5.5 logic threshold voltage vs. supply voltage max4695 toc09 supply voltage (v) logic threshold voltage (v) 0 0.5 1.0 1.5 v in_ rising v in_ falling 0 15 10 5 20 25 30 35 40 45 50 13 2 456 turn-on/off time vs. supply voltage max4695 toc10 supply voltage (v) t on/off (ns) t on t off 0 10 5 20 15 25 30 -40 10 -15 35 60 85 turn-on/off time vs. temperature max4695 toc11 temperature ( c) t on/off (ns) t off , v+ = +3v t on , v+ = +5v t off , v+ = +5v t on , v+ = +3v -4 0 8 4 12 16 02 1345 charge injection vs. v com max4695 toc12 v com (v) q (pc) v+ = +5v v+ = +3v 0 -120 0.1 10 100 1 1000 frequency response max4695 toc13 frequency (mhz) loss (db) -100 -80 -60 -40 -20 crosstalk off-isolation on-response 0.1 0.01 10 1k 100k frequency (hz) thd + n (%) 100 total harmonic distortion plus noise vs. frequency 10k v+ = +3v v+ = +5v max4695 toc14 r l = 600 ? typical operating characteristics (continued) (t a = +25?, unless otherwise noted.)
max4695 low-voltage, 60 ? dual spdt analog switch in thin qfn _______________________________________________________________________________________ 7 detailed description the max4695 is a low-voltage, dual single-pole/dou- ble-throw (spdt) analog switch that operates from a single +1.8v to +5.5v supply. when powered from a +2.7v supply, the device has a 60 ? (max) on-resis- tance (r on ), with 3 ? (max) r on matching and 10 ? (max) r on flatness. the digital logic inputs are 1.8v- logic compatible from a +2.7v to +3.3v supply. applications information digital control inputs the max4695 logic inputs are 1.8v cmos logic com- patible for 3v operation and ttl compatible for 5v operation of v+. driving in_ rail-to-rail minimizes power consumption. analog signal levels analog signals that range over the entire supply volt- age (v+ to gnd) are passed with very little change in on-resistance (see typical operating characteristics ). the switches are bidirectional, so the no_, nc_, and com_ pins can be either inputs or outputs. power-supply sequencing and overvoltage protection caution: do not exceed the absolute maximum rat- ings because stresses beyond the listed ratings may cause permanent damage to devices. proper power-supply sequencing is recommended for all cmos devices. always apply v+ before applying analog signals, especially if the analog signal is not current limited. if this sequencing is not possible, and if the analog inputs are not current limited to <20ma, add a small signal diode (d1) as shown in figure 1. if the analog signal can dip below gnd, add d2. adding protection diodes reduces the analog range to a diode drop (about 0.7v) below v+ (for d1), and a diode drop above ground (for d2). on-resistance increases slightly at low supply voltages. maximum supply voltage (v+) must not exceed +6v. adding protection diode d2 causes the logic threshold to be shifted relative to gnd. ttl compatibility is not guaranteed when d2 is added. protection diodes d1 and d2 also protect against some overvoltage situations. in the circuit in figure 1, if the supply voltage is below the absolute maximum rating, and if a fault voltage up to the absolute maximum rating is applied to an analog signal pin, no damage will result. positive supply com no d2 d1 gnd v g v+ max4695 figure 1. overvoltage protection using two external blocking diodes pin description pin max tqfn name function 1 12 in1 digital control input switch 1 2 1 no1 analog switch 1?ormally open terminal 3 2 gnd ground 4 3 no2 analog switch 2?ormally open terminal 5 4 in2 digital control input switch 2 6 5 com2 analog switch 2?ommon terminal 6, 10 n.c. no connection. not internally connected. 7 7 nc2 analog switch 2?ormally closed terminal 8 8 v+ positive supply voltage input 9 9 nc1 analog switch 1?ormally closed terminal 10 11 com1 analog common switch 1
max4695 low-voltage, 60 ? dual spdt analog switch in thin qfn 8 _______________________________________________________________________________________ test circuits/timing diagrams 50% v inh v inl logic input v out 0.9 v out t d logic input r l 300 ? gnd c l includes fixture and stray capacitance. no_ in_ nc_ v out v+ v+ c l 35pf v n_ v in_ com_ max4695 0.9 v 0ut figure 3. break-before-make interval v gen gnd com_ c l 1nf v out v+ v out in off on off ? v out q = ( ? v out )(c l ) nc_ or no_ in depends on switch configuration; input polarity determined by sense of switch. off on off in v inl to v inh v+ r gen in max4695 figure 4. charge injection t r < 5ns t f < 5ns 50% 50% v inl logic input r l 300 ? com_ gnd in_ c l includes fixture and stray capacitance. v out = v n_ ( r l ) r l + r on v inh t off 0 no_ or nc_ 0.9 v 0ut 0.9 v out t on v out switch output logic input logic input waveforms inverted for switches that have the opposite logic sense. v+ c l 35pf v+ v out max4695 v n_ v in_ figure 2. switching time
max4695 low-voltage, 60 ? dual spdt analog switch in thin qfn _______________________________________________________________________________________ 9 test circuits/timing diagrams (continued) 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 all other channels. signal direction through switch is reversed; worst values are recorded. +5v v out v+ in_ nc_ com_ no_ v in max4695 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 0 or v+ 50 ? gnd figure 5. off-isolation/on-channel bandwidth, crosstalk capacitance meter nc_ or no_ com_ gnd in_ v inl or v inh 10nf v+ f = 1mhz v+ max4695 figure 6. channel off/on-capacitance chip information transistor count: 130
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 e 1 2 21-0136 package ? outline 12, ? 16l, ? thin ? qfn, ? 3x3x0.8mm 1. ?? dimensioning ? & ? tolerancing ? conform ? to ? asme ? y14.5m-1994. 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 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. notes: e 2 2 21-0136 package ? outline 12, ? 16l, ? thin ? qfn, ? 3x3x0.8mm 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 max4695 low-voltage, 60 ? dual spdt analog switch in thin qfn 10 ______________________________________________________________________________________ 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 .)
max4695 low-voltage, 60 ? dual spdt analog switch in thin qfn 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 ____________________ 11 2005 maxim integrated products printed usa is a registered trademark of maxim integrated products, inc. 10lumax.eps package ? outline, ? 10l ? umax/usop 1 1 21-0061 i rev. document ? control ? no. approval proprietary ? information title: top ? view front ? view 1 0.498 ? ref 0.0196 ? ref s 6 side ? view bottom ? view 0 0 6 0.037 ? ref 0.0078 max 0.006 0.043 0.118 0.120 0.199 0.0275 0.118 0.0106 0.120 0.0197 ? bsc inches 1 10 l1 0.0035 0.007 e c b 0.187 0.0157 0.114 h l e2 dim 0.116 0.114 0.116 0.002 d2 e1 a1 d1 min - a 0.940 ? ref 0.500 ? bsc 0.090 0.177 4.75 2.89 0.40 0.200 0.270 5.05 0.70 3.00 millimeters 0.05 2.89 2.95 2.95 - min 3.00 3.05 0.15 3.05 max 1.10 10 0.60.1 0.60.1 ? 0.500.1 h 4x ? s e d2 d1 b a2 a e2 e1 l l1 c gage ? plane a2 0.030 0.037 0.75 0.95 a1 package information (continued) (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 .)

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