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general description the max14800?ax14803 provide high-voltage switching on 16 channels for ultrasonic imaging and printer applications. the devices utilize hvcmos process technology to provide 16 high-voltage low- charge-injection spst switches, controlled by a digital interface. data is clocked into an internal 16-bit shift register and retained by a programmable latch with enable and clear inputs. a power-on reset function ensures that all switches are open on power-up. the max14800?ax14803 operate with a wide range of high-voltage supplies including: v pp /v nn = +100v/ -100v, +200v/0v, and +40v/-160v. the digital interface operates from a separate +2.7v to +5.5v v dd supply. digital inputs din, clk, le , and clr operate on the v dd supply voltage. the max14801/MAX14803 provide integrated 35k ? bleed resistors on each switch terminal to discharge capacitive loads. the max14802/MAX14803 provide integrated clamping diodes for overvoltage protection against positive overshoot. the max14800?ax14803 are available in the 48-pin tqfp package. all devices are specified for the commercial 0? to +70? temperature range. applications ultrasound imaging printers features integrated overvoltage protection (max14802/ MAX14803) 20mhz serial interface (5v) hvcmos technology for high performance individually programmable high-voltage analog switches very low 5? (typ) quiescent current dc-to-20mhz low-voltage analog signal frequency range 2.7v to 5.5v logic supply voltage low-charge injection, low-capacitance r l switches -77db (typ) off-isolation at 5mhz (r l = 50 ? ) daisy-chainable serial interface flexible high-voltage supplies (v pp - v nn = 250v) max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches ________________________________________________________________ maxim integrated products 1 ordering information/selector guide 19-4484; rev 0; 4/09 for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com. part switch channels bleed resistor ovp second source pin-package temp range max14800 ccm+* 16 no no hv2601 48 tqfp 0? to +70? max14801 ccm+* 16 yes no hv2701 48 tqfp 0? to +70? max14802 ccm+ 16 no yes 48 tqfp 0? to +70? MAX14803 ccm+ 16 yes yes 48 tqfp 0? to +70? pin configuration appears at end of data sheet. + denotes a lead(pb)-free/rohs-compliant package. * future product?ontact factory for availability. parts with extended temperature range (-40? to +85?) are available upon request.
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches 2 _______________________________________________________________________________________ absolute maximum ratings electrical characteristics (v dd = +2.7v to +5.5v, v pp = +40v to v nn + 250v, v nn = -40v to -160v, t a = t min to t max , unless otherwise noted. typical values are at t a = +25?.) (note 2) 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: package thermal resistances were obtained using the method described in jedec specification jesd51-7, using a four-layer board. for detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial . (all voltages referenced to gnd.) v dd logic-supply voltage .......................................-0.3v to +7v v pp - v nn supply voltage ....................................................260v v pp positive-supply voltage.................................-0.3v to +220v v nn negative-supply voltage ...............................-0.3v to -220v logic inputs ( le , clr, clk, din, dout)................-0.3v to +7v com_, no_ (max14800/max14801) ...........(-0.3v + v nn ) to (v nn + 200v) com_, no_ (max14802/MAX14803).........(-0.3v + v nn ) to the minimum of [(v nn + 200v) or (v pp + 0.3v)] peak analog signal current per channel ................................3a continuous power dissipation (t a = +70?) 48-pin tqfp (derate 22.7mw/? above +70?).........1818mw junction-to-ambient thermal resistance ( ja ) (note 1) 48-pin tqfp ..................................................................44?/w junction-to-case thermal resistance ( jc ) (note 1) 48-pin tqfp ..................................................................10?/w operating temperature range...............................0? to +70? storage temperature range .............................-65? to +150? junction temperature ..................................................... +150? lead temperature (soldering, 10s) .................................+300? parameter symbol conditions min typ max units power supplies v dd supply voltage v dd +2.7 +5.5 v v pp supply voltage v pp +40 +100 v nn + 250 v v nn supply voltage v nn -160 -100 0 v v dd supply quiescent current i ddq 5a v dd supply dynamic current i dd v dd = +5v, le = +5v, f clk = 5mhz 0.5 ma v pp supply quiescent current i ppq all switches remain on or off, i com_ = 5ma 0 10 a v pp = +40v, v nn = -160v, f com_ = 50khz 4 v pp = +100v, v nn = -100v, f com_ = 50khz 3.4 6 v pp supply dynamic current (all channel switching simultaneously) i pp v pp = +160v, v nn = -40v, f com_ = 50khz 8 ma v nn supply quiescent current i nnq all switches remain on or off, i com_ = 5ma 0 10 a v pp = +40v, v nn = -160v, f com_ = 50khz 5 v pp = +100v, v nn = -100v, f com_ = 50khz 2.3 4 v nn supply dynamic current (all channel switching simultaneously) i nn v pp = +160v, v nn = -40v, f com_ = 50khz 3 ma analog switch com_, no_ analog signal range v com_ , v no_ (note 3) v nn m i n of ( v n n + 200v) or (v pp - 10v) v
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches _______________________________________________________________________________________ 3 parameter symbol conditions min typ max units i com_ = 5ma 26 48 v pp = +40v, v nn = -160v, v com_ = 0 i com_ = 200ma 22 32 i com_ = 5ma 22 30 v pp = +100v, v nn = -100v, v com_ = 0 i com_ = 200ma 18 27 i com_ = 5ma 20 30 small-signal switch on-resistance r ons v pp = +160v, v nn = -40v, v com_ = 0 i com_ = 200ma 16 27 ? small-signal switch on-resistance matching ? r ons v pp = +100v, v nn = -100v, v com_ = 0, i com_ = 5ma 5% large-signal switch on-resistance r onl v com_ = v pp - 10v, i com_ = 1a 15 ? shunt resistance r int no_ or com_ to gnd (max14801/MAX14803), switch off 30 40 50 k ? switch-off leakage i com_ ( off ), i no_ ( off ) v com_ , v no_ = +100v or unconnected 0 2 ? switch-off dc offset r l = 100k ? -30 +30 mv switch-output peak current (note 4) 100ns pulse width, 0.1% duty cycle 3 a switch-output com_ isolation diode current (note 4) 300ns pulse width, 2% duty cycle (max14802/MAX14803) 500 ma switch dynamic characteristics turn-on time t on v no_ = +100v, r l = 10k ? , v nn = -100v 2 3.5 ? turn-off time t off v no_ = +100v, r l = 10k ? , v nn = -100v 2 3.5 ? output switching frequency f sw duty cycle = 50% 50 khz maximum v com_ , v no_ slew rate dv/dt (note 4) 20 v/ns f = 5mhz, r l = 1k ? , c l = 15pf -50 off-isolation v iso f = 5mhz, r l = 50 ? -77 db crosstalk v ct f = 5mhz, r l = 50 ? -80 db com_, no_ off- capacitance (note 4) c com_ ( off ), c no_ ( off ) v com_ = 0, v no_ = 0, f = 1mhz 4 11 18 pf com_ on-capacitance (note 4) c com_ ( on ) v com_ = 0, f = 1mhz 20 36 56 pf output-voltage spike (note 4) v spk r l = 50 ? -150 +150 mv small-signal analog bandwidth f bw v pp = +100v, v nn = -100v, c l = 200pf 20 mhz electrical characteristics (continued) (v dd = +2.7v to +5.5v, v pp = +40v to v nn + 250v, v nn = -40v to -160v, t a = t min to t max , unless otherwise noted. typical values are at t a = +25?.) (note 2)
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches 4 _______________________________________________________________________________________ electrical characteristics (continued) (v dd = +2.7v to +5.5v, v pp = +40v to v nn + 250v, v nn = -40v to -160v, t a = t min to t max , unless otherwise noted. typical values are at t a = +25?.) (note 2) parameter symbol conditions min typ max units v pp = +40v, v nn = -160v, v com_ = 0 820 v pp = +100v, v nn = -100v, v com_ = 0 600 charge injection q v pp = +160v, v nn = -40v, v com_ = 0 350 pc logic levels logic-input low voltage v il 0.75 v logic-input high voltage v ih v dd - 0.75 v logic-output low voltage v ol i sink = 1ma 0.4 v logic-output high voltage v oh i source = 0.75ma v dd - 0.5 v logic-input capacitance (note 4) c in 10 pf logic-input leakage i in -1 +1 ? timing characteristics (v dd = +2.7v to +5.5v, v pp = +40v to v nn + 200v, v nn = -40v to -160v, t a = t min to t max , unless otherwise noted. typical values are at t a = +25?.) (note 2) parameter symbol conditions min typ max units logic timing (figure 1) v dd = +5v ?0% 20 clk frequency f clk v dd = +3v ?0% 10 mhz v dd = +5v ?0% 10 din to clk setup time t ds v dd = +3v ?0% 16 ns v dd = +5v ?0% 3 din to clk hold time t dh v dd = +3v ?0% 3 ns v dd = +5v ?0% 36 clk to le setup time t cs v dd = +3v ?0% 65 ns v dd = +5v ?0% 14 le low-pulse width t wl v dd = +3v ?0% 22 ns v dd = +5v ?0% 20 clr high-pulse width t wc v dd = +3v ?0% 40 ns v dd = +5v ?0% 50 clk rise and fall times t r , t f v dd = +3v ?0% 50 ns v dd = +5v ?0% 6 42 clk to dout delay t do v dd = +3v ?0% 12 80 ns note 2: all devices are 100% tested at t a = +70?. limits over the operating temperature range are guaranteed by design and characterization. note 3: the analog signal input v com_ and v no_ must satisfy v nn (v com_ , v no_ ) v pp , or remain unconnected during power-up and power-down. note 4: guaranteed by characterization; not production tested.
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches _______________________________________________________________________________________ 5 test circuits max14800? MAX14803 +100v -100v +100v -100v v pp v nn no_ com_ v pp +100v -100v v nn v dd switch off leakage gnd 5v i sol max14800? MAX14803 v out r l 100k ? v pp v nn no_ com_ v pp v nn v dd dc offset on/off gnd 5v max14800? MAX14803 v out v pp v pp - 10v v nn no_ com_ v pp v nn v dd t on /t off test circuit gnd 5v r l 100k ? max14800? MAX14803 v pp v nn no_ com_ v pp v nn v dd off isolation v iso = 20log v out v in gnd 5v max14800? MAX14803 v out v out = 10v p-p at 5mhz v pp v nn com_ i id v pp v nn no_ v pp v nn v dd isolation diode current gnd 5v max14800? MAX14803 v out v out v com_ v pp v nn no_ 100pf com_ v pp v nn v dd q = 1000pf x v out charge injection gnd v dd max14800? MAX14803 v out +v spk -v spk v pp v nn no_ com_ v pp v nn v dd output-voltage spike gnd 5v r l v out max14800? MAX14803 v pp v nn no_ com_ no_ com_ v pp v nn v dd crosstalk v ct = 20log v out v in gnd 5v v out = 10v p-p at 5mhz 50 ? v nn 50 ? 50 ? r l 1k ?
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches 6 _______________________________________________________________________________________ on-resistance vs. analog signal voltage max14800 toc01 v com (v) on-resistance ( ? ) 100 50 0 -50 -100 20 40 60 80 100 120 140 160 180 0 -150 150 v pp = +160v, v nn = -40v v pp = +40v, v nn = -160v v pp = +100v, v nn = -100v on-resistance vs. analog signal voltage max14800 toc02 v com ( ? ) on-resistance ( ? ) -50 0 50 20 40 60 80 100 120 140 160 0 -100 100 v pp = +100v, v nn = -100v t a = +25 c t a = +70 c t a = 0 c turn-on/turn-off time vs. analog signal voltage max14800 toc03 v no (v) turn-on/turn-off time ( s) 60 30 0 -60 -30 1 2 3 4 5 0 -90 90 t off t on off-isolation vs. frequency max14800 toc04 frequency (mhz) off-isolation (db) 10 0.01 1 0.1 -60 -40 -20 0 -80 0.001 100 t a = +25 c t a = +70 c t a = 0 c leakage current vs. temperature max14800 toc05 temperature ( c) leakage current (na) 40 20 60 10 50 30 2.5 3.0 3.5 4.0 4.5 5.0 2.0 070 i com_(on) (v com = +90v) i com_(on) (v com = -90v) i com_(off) (v com = -90v) i com_(off) (v com = +90v) i com_(off) (v com = 0) i com_(on) (v com = 0) logic supply current vs. supply voltage max14800 toc06 v dd supply voltage (v) i ddq supply current ( a) 4.7 5.1 4.3 3.1 3.5 3.9 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 2.7 5.5 t a = +25 c t a = +70 c t a = 0 c high-voltage supply current vs. temperature max14800 toc07 temperature ( c) supply current ( a) 30 10 60 20 40 50 0.05 0.10 0.15 0.20 0 070 i pp v pp = +100v v nn = -100v i nn logic supply current vs. serial-clock frequency max14800 toc08 clk serial-clock frequency (mhz) i dd supply current ( a) 8 26 4 100 50 150 200 250 0 010 t a = +25 c t a = +70 c t a = 0 c high-voltage supply current vs. switching frequency max14800 toc09 switching frequency (khz) supply current (ma) 40 10 30 20 2 4 6 8 0 050 i pp all switches switching t a = +25 c i nn typical operating characteristics (v dd = +3v, v pp = +100v, v nn = -100v, t a = +25?, unless otherwise noted.)
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches _______________________________________________________________________________________ 7 pin description pin name function 1, 2, 14, 16, 24, 35, 36 n.c. no connection. not internally connected. 3 com4 analog switch 4?ommon terminal 4 no4 analog switch 4?ormally open terminal 5 no3 analog switch 3?ormally open terminal 6 com3 analog switch 3?ommon terminal 7 no2 analog switch 2?ormally open terminal 8 com2 analog switch 2?ommon terminal 9 com1 analog switch 1?ommon terminal 10 no1 analog switch 1?ormally open terminal 11 no0 analog switch 0?ormally open terminal 12 com0 analog switch 0?ommon terminal 13 v nn negative high-voltage supply. bypass v nn to gnd with a 0.1? or greater ceramic capacitor. 15 v pp positive high-voltage supply. bypass v pp to gnd with a 0.1? or greater ceramic capacitor. 17 gnd ground 18 v dd digital supply voltage. bypass v dd to gnd with a 0.1? or greater ceramic capacitor. 19 din serial-data input 20 clk serial-clock input 21 le active-low, latch-enable input 22 clr latch clear input 23 dout serial-data output 25 com15 analog switch 15?ommon terminal 26 no15 analog switch 15?ormally open terminal 27 no14 analog switch 14?ormally open terminal 28 com14 analog switch 14?ommon terminal 29 com13 analog switch 13?ommon terminal 30 no13 analog switch 13?ormally open terminal 31 com12 analog switch 12?ommon terminal 32 no12 analog switch 12?ormally open terminal 33 no11 analog switch 11?ormally open terminal 34 com11 analog switch 11?ommon terminal 37 com10 analog switch 10?ommon terminal
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches 8 _______________________________________________________________________________________ pin description (continued) pin name function 38 no10 analog switch 10?ormally open terminal 39 com9 analog switch 9?ommon terminal 40 no9 analog switch 9?ormally open terminal 41 com8 analog switch 8?ommon terminal 42 no8 analog switch 8?ormally open terminal 43 no7 analog switch 7?ormally open terminal 44 com7 analog switch 7?ommon terminal 45 no6 analog switch 6?ormally open terminal 46 com6 analog switch 6?ommon terminal 47 no5 analog switch 5?ormally open terminal 48 com5 analog switch 5?ommon terminal din d n+1 d n-1 d n 50% 50% 50% 50% 50% 50% 50% 90% 10% 50% t cs t wl t ds t dh t do t off t wc t on 50% le clk dout off on switch clr figure 1. serial interface timing
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches _______________________________________________________________________________________ 9 detailed description the max14800?ax14803 provide high-voltage switching on 16 channels for ultrasound imaging and printer applications. the devices utilize hvcmos process technology to provide 16 high-voltage low- charge-injection spst switches, controlled by a digital interface. data is clocked into an internal 16-bit shift register and retained by a programmable latch with enable and clear inputs. a power-on-reset function ensures that all switches are open on power-up. the max14800?ax14803 operate with a wide range of high-voltage supplies including: v pp /v nn = +100v/ -100v, +200v/0v, or +40v/-160v. the digital interface operates from a separate +2.7v to +5.5v v dd supply. digital inputs din, clk, le , and clr operate on the v dd supply voltage. the max14801/MAX14803 provide integrated 35k ? bleed resistors on each switch terminal to discharge capacitive loads. the max14802/ MAX14803 provide integrated clamping diodes for overvoltage protection against positive overshoot. the max14802/MAX14803 feature clamping diodes (at the com_). these clamping diodes provide overvoltage protection against positive overshoot. analog switch the max14800?ax14803 allow a peak-to-peak analog signal range from v nn to the minimum of either v nn + 200v or v dd . analog switch inputs must be unconnect- ed, or satisfy v nn (v com_ , v no_ ) v pp during power- up and power-down. high-voltage supplies the max14800?ax14803 allow a wide range of high- voltage supplies. the devices operate with v nn from -160v to 0 and v pp from +40v to v nn + 250v. when v nn is connected to gnd (single-supply applications), the devices operate with v pp up to +200v. the v pp and v nn high-voltage supplies are not required to be symmetrical, but the voltage difference (v pp - v nn ) must not exceed 250v. bleed resistors (max14801/MAX14803) the max14801/MAX14803 feature integrated 35k ? bleed resistors to discharge capacitive loads such as piezoelectric transducers. each analog switch terminal is connected to gnd with a bleed resistor. overvoltage protection (max14802/MAX14803) the max14802/MAX14803 feature clamping diodes (at the com_). these clamping diodes provide overvolt- age protection against positive overshoot. serial interface the max14800?ax14803 are controlled by a serial interface with a 16-bit serial shift register and transpar- ent latch. each of the sixteen data bits controls a single analog switch (see table 1). data on din is clocked with the most significant bit (msb) first into the shift reg- ister on the rising edge of clk. data is clocked out of the shift register onto dout on the rising edge of clk. dout reflects the status of din, delayed by 16 clock cycles (see figures 1 and 2). latch enable ( le ) drive le logic-low to change the contents of the latch and update the state of the high-voltage switches (figure 2). drive le logic-high to freeze the contents of the latch and prevent changes to the switch states. to reduce noise due to clock feedthrough, drive le logic- high while data is clocked into the shift register. after the data shift register is loaded with valid data, pulse le logic-low to load the contents of the shift register into the latch. latch clear (clr) the max14800?ax14803 feature a latch clear input. drive clr logic-high to reset the contents of the latch to zero and open all switches. clr does not affect the contents of the data shift register. pulse le logic-low to reload the contents of the shift register into the latch. power-on reset the max14800?ax14803 feature a power-on-reset circuit to ensure all switches are open at power-on. the internal 16-bit serial shift register and latch are set to zero on power-up.
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches 10 ______________________________________________________________________________________ din data from previous data byte power-up default: d15?d0 = 0 d15 d15 d14 d13 d14 d13 d1 d0 d1 d0 d15 lsb msb le clk dout data bits control bits function d0 (lsb) d1 d2 d3 d4 d5 d6 d7 le clr sw0 sw1 sw2 sw3 sw4 sw5 sw6 sw7 l l l off hllon l l l off hllon l l l off hllon l l l off hllon l l l off hll on l l l off hll on l l l off hll on l l l off hll on x x x x x x x x h l hold previous state x x x x x x x x x h off off off off off off off off figure 2. latch enable interface timing table 1. serial interface programming (notes 5?0)
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches ______________________________________________________________________________________ 11 data bits control bits function d8 d9 d10 d11 d12 d13 d14 d15 (msb) le clr sw8 sw9 sw10 sw11 sw12 sw13 sw14 sw15 l l l off hllon l l l off hllon l l l off hllon l l l off hllon l l l off hll on l l l off hll on l l l off hll on l l l off hll on x x x x x x x x h l hold previous state x x x x x x x x x h off off off off off off off off table 1. serial interface programming (notes 5?0) (continued) x = don? care. note 5: the 16 switches operate independently. note 6: serial data is clocked in on the rising edge of clk. note 7: the switches go to a state retaining their present condition on the rising edge of le . when le is low, the shift register data flows through the latch. note 8: dout is high when switch 15 is on. note 9: shift register clocking has no effect on the switch states if le is high. note 10: the clr input overrides all other inputs.
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches 12 ______________________________________________________________________________________ applications information for medical ultrasound applications, see figures 4, 5, and 6. logic levels the max14800?ax14803 digital interface inputs clk, din, le , and clr operate on the v dd supply voltage. daisy-chaining multiple devices digital output dout is provided to allow the connection of multiple max14800?ax14803 devices by daisy- chaining (figure 3). connect each dout to the din of the subsequent device in the chain. connect clk, le , and clr inputs of all devices, and drive le logic-low to update all devices simultaneously. drive clr high to open all the switches simultaneously. additional shift registers can be included anywhere in series with the max14800?ax14803 data chain. supply sequencing and bypassing the max14800?ax14803 do not require special sequencing of the v dd , v pp , and v nn supply voltages; however, analog switch inputs must be unconnected, or satisfy v nn (v com_ , v no_ ) v pp during power-up and power-down. bypass v dd , v pp , and v nn to gnd with a 0.1? ceramic capacitor as close as possible to the device. application diagrams max14800 MAX14803 max14800 MAX14803 max14800 MAX14803 max14800 MAX14803 max14800 MAX14803 max14800 MAX14803 clk din clk le clr u10 u11 u1n u20 u21 u2n dout din1 le clr din2 din clk le clr dout din clk le clr dout din clk le clr dout din clk le clr dout din clk le clr dout figure 3. interfacing multiple devices by daisy-chaining
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches ______________________________________________________________________________________ 13 high-voltage transmit 1 per channel probe selection 2 to 4 probes relay 1 relay/ch/probe cable 1 per channel transducers 2 to 4 per channel hv analog switches 2 to 4 per channel 100v max 1 to 2a max mainframe +v -v probes 1v max 10ma typ high- voltage isolation low-voltage receive 64 to 128 channels probe b probe a probe c probe d figure 4. medical ultrasound application?igh-voltage analog switches in probe
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches 14 ______________________________________________________________________________________ probe a hv transmit 1 per channel probe selection 2 to 4 probes relays 2 to 4 relays/ch/probe cable 2 to 4 per channel transducers 2 to 4 per channel hv analog switches 2 to 4 per channel 100v max 1 to 2a max mainframe +v -v probes 1v max 10ma typ high- voltage isolation lv receive 64 to 128 channels probe b probe c probe d figure 5. medical ultrasound application?igh-voltage analog switches in mainframe
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches ______________________________________________________________________________________ 15 probe a high-voltage transmit 2 to 4 per channel high-voltage isolation and channel select 2 to 4 per channel low-voltage receive 64 to 128 channels probe selection 2 to 4 probes relays 2 to 4 relays/ch/probe cable 2 to 4 per channel transducers 2 to 4 per channel 100v max 1 to 2a max mainframe +v -v probes 1v max 10ma typ probe b probe c probe d +v -v +v -v +v -v +v -v +v -v +v -v +v -v figure 6. medical ultrasound application?ultiple transmit and isolation per receiver channel
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches 16 ______________________________________________________________________________________ functional diagram max14802 MAX14803 16-bit shift register latch v dd v pp *bleed resistors available on the MAX14803 only. **overvoltage protection diodes are available on the max14802 and MAX14803 only. gnd v nn level shifter clr v pp com0 no0 v nn * ** * v nn din clk dout le latch level shifter v pp com15 no15 v nn * * ** v nn
max14800?ax14803 low-charge injection, 16-channel, high-voltage analog switches 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 ____________________ 17 2009 maxim integrated products maxim is a registered trademark of maxim integrated products, inc. top view max14800? MAX14803 tqfp 7mm x 7mm + 13 14 15 16 17 18 19 20 21 22 23 24 v nn n.c. v pp n.c. gnd v dd din clk le clr dout n.c. 48 47 46 45 44 43 42 41 40 39 38 37 1 2 345 678910 11 12 com5 no5 com6 no6 com7 no7 no8 com8 no9 com9 no10 com10 com0 no0 no1 com1 com2 no2 com3 no3 no4 com4 n.c. n.c. 36 35 34 33 32 31 30 29 28 27 26 25 com15 no15 no14 com14 com13 no13 com12 no12 no11 com11 n.c. n.c. pin configuration package information for the latest package outline information and land patterns, go to www.maxim-ic.com/packages . package type package code document no. 48 tqfp c48-6 21-0054 chip information process: bicmos

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