hv2321 features ? low on-resistance, 14 max. ? integrated bleed resistors on the outputs ? 3.3 or 5.0v cmos input logic level ? 20mhz data shift clock frequency ? very low quiescent power dissipation (-10a) ? low parasitic capacitance ? dc to 50mhz small signal frequency response ? -60db typical off-isolation at 5.0mhz ? cmos logic circuitry for low power ? excellent noise immunity ? cascadable serial data register with latches applications ? ndt m etal faw detection ? medical ultrasound imaging ? piezoelectric transducer drivers ? inkjet printer heads ? optical mems modules general description the supertex hv2321 is a low charge injection, 8-channel, unipolar, negative high voltage, analog switch integrated circuit (ic) with bleed resistors. the device can be used in applications requiring high voltage switching controlled by low voltage signals, such as ndt metal faw detection, medical ultrasound imaging, piezoelectric transducer drivers, and printers. the bleed resistors eliminate voltage built up on capacitive loads such as piezoelectric transducers. data is input into an 8-bit shift register and then retained in an 8-bit latch. to reduce any possible clock feed-through noise, the latch enable bar should be left high until all bits are clocked in. data is clocked in during the rising edge of the clock. using hvcmos technology, this device combines high voltage bilateral dmos switches and low power cmos logic to provide effcient control of high voltage analog signals. block diagram low charge injection, 8-channel, unipolar, negative high voltage, analog switch with bleed resistors vnn vpp le clr vdd gnd rgnd cl k di n dout 8-bit shift register sw0 sw1 sw2 sw6 sw7 output switches level shifters latches d le clr d le clr d le clr d le clr d le clr supertex inc. supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
2 hv2321 ordering information device 48-lead lqfp 7.00x7.00mm body 1.60mm height (max) 0.50mm pitch hv2321 hv2321fg-g -g indicates package is rohs compliant (green) absolute maximum ratings absolute maximum ratings are those values beyond which damage to the device may occur. functional operation under these conditions is not implied. continuous operation of the device at the absolute rating level may affect device reliability. all voltages are referenced to device ground. parameter value v dd logic supply -0.5v to +7.0v v pp -v nn differential supply 260v v pp positive supply -0.5v to v nn +260v v nn negative supply +0.5v to -250v logic input voltage -0.5v to v dd +0.3v analog signal range v nn to v pp peak analog signal current/channel 4.5a storage temperature -65c to 150c power dissipation 1.0w operating conditions sym parameter value v dd logic power supply voltage 3.0v to 5.5v v pp - v nn supply voltage differential 240v v pp positive driver supply +15v to +50v v nn negative high voltage supply -100v to -225v v ih high level input voltage 0.9v dd to v dd v il low-level input voltage 0v to 0.1v dd v sig analog signal voltage peak-to-peak v nn +10v to v pp -10v t a operating free air temperature 0 o c to 70 o c product marking yy = year sealed ww = week sealed l = lot number c = country of origin* a = assembler id* = ?green? packagin g *may be part of top markin g top marking bottom marking yyww hv2321f g lllllllll cccccccc aaa 48-lead lqfp (fg) pin confguration 48-lead lqfp (fg) 1 48 notes: 1. power up/down sequence is arbitrary except gnd must be powered-up frst and powered-down last. 2. v sig must be v nn v sig v pp or foating during power up/down transition. 3. rise and fall times of power supplies v dd , v pp , and v nn should not be less than 1.0msec. package may or may not include the following marks: si or supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
3 hv2321 dc electrical characteristics (over operating conditions unless otherwise specifed ) r ons small signal switch on-resistance - - - - 14 - - i sig = 5.0ma v pp = +50v v nn = -190v - - - - 14 - - i sig = 200ma - - - - 15 - - i sig = 5.0ma v pp = +40v v nn = -200v - - - - 15 - - i sig = 200ma - -- - - 23 - - i sig = 5.0ma v pp = +15v v nn = -225v - - - - 23 - - i sig = 200ma r ons small signal switch on-resistance matching - 20 - 5.0 20 - 20 % i sig = 5.0ma, v pp = +40v, v nn = -200v r onl large signal switch on-resistance - - - 9.2 - - - v sig = 0v, i sig = -1.0a r int output switch bleed resistor - - 30 50 70 - - k switch outputs to rgnd pin i sol switch off-leakage per switch - 5.0 - 1.0 10 - 15 a v sig = v pp -10v, v nn +10v v os(off) dc offset switch off - 300 - 100 300 - 300 mv 100k load v os(on) dc offset switch on - 500 - 100 500 - 500 i ddq quiescent v dd supply current - - - - 50 - - a all switches off i ppq quiescent v pp supply current - - - - 50 - - i nnq quiescent v nn supply current - - - - -50 - - i ddq quiescent v dd supply current - - - - 50 - - a all switches on, i sw = 5.0ma i ppq quiescent v pp supply current - - - - 50 - - i nnq quiescent v nn supply current - - - - -50 - - i sw switch output peak current - - - 4.5 - - - a v sig duty cycle < 0.1%, 1.0s v pp = +50v v nn = -190v - - - 4.0 - - - v pp = +40v v nn = -200v - - - 2.0 - - - v pp = +15v v nn = -225v f sw output switching frequency - - - 50 - - khz duty cycle = 50% i pp average v pp supply current - - - 5.6 7.5 - - ma v pp = +40v v nn = -200v 50khz output switching frequency with no load - - - 5.6 7.5 - - v pp = +50v v nn = -190v - - - 5.6 7.5 - - v pp = +15v v nn = -225v i nn average v nn supply current - - - 5.8 7.5 - - ma v pp = +40v v nn = -200v 50khz output switching frequency with no load - - - 5.8 7.5 - - v pp = +50v v nn = -190v - - - 5.8 7.5 - - v pp = +15v v nn = -225v i dd average v dd supply current - 4.5 - - 4.5 - 4.5 ma f clk = 5.0mhz, v dd = 5.0v i ddq quiescent v dd supply current - 10 - - 10 - 10 a all logic inputs are static i sor d out source current 0.45 - 0.45 0.70 - 0.40 - ma v out = v dd -0.7v i sink d out sink current 0.45 - 0.45 0.70 - 0.40 - ma v out = 0.7v c in logic input capacitance - 10 - - 10 - 10 pf --- sym parameter 0 o c +25 o c +70 o c units conditions min max min typ max min max supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
4 hv2321 sym parameter 0 o c +25 o c +70 o c units conditions min max min typ max min max ac electrical characteristics (over recommended operating conditions: v dd = +5.0v, t r = t f 5.0ns, 50% duty cycle, v pp = +40v, v nn = -200v, c load = 20pf, unless otherwise specifed) t sd set up time before le rises - - 25 - - - - ns --- t wle time width of le - - - 56 - - - ns v dd = 3.0v - - - 12 - - - v dd = 5.0v t do clock delay time to data out - - - 78 - - - ns v dd = 3.0v - - - 30 - - - v dd = 5.0v t wcl time width of clr - - 55 - - - - ns --- t su set up time data to clock - - - 21 - - - ns v dd = 3.0v - - - 7.0 - - - v dd = 5.0v t h hold time data from clock 2.0 - 2.0 - - 2.0 - ns v dd = 3.0 or 5.0v f clk clock frequency - - - - 8.0 - - mhz v dd = 3.0v - - - - 20 - - v dd = 5.0v t r , t f clock rise and fall times - 50 - - 50 - 50 ns --- t on turn on time - 5.0 - - 5.0 - 5.0 s v sig = -100v, r load = 10k to gnd t off turn off time - 5.0 - - 5.0 - 5.0 dv/dt maximum v sig slew rate - 20 - - 20 - 20 v/ns v pp = +40v, v nn = -200v - 20 - - 20 - 20 v pp = +50v, v nn = -190v - 20 - - 20 - 20 v pp = +15v, v nn = -225v k o off isolation -30 - -30 -33 - -30 - db f = 5.0mhz, v offset = -15v, 1.0k/15pf load -58 - -58 - - -58 - f = 5.0mhz, v offset = -15v, 50 load k cr switch crosstalk - - -60 - - - - db f = 5.0mhz, v offset = -15v, 50 load i id output switch isolation diode current - 300 - - 300 - 300 ma 300ns pulse width, 2.0% duty cycle c sg(off) off capacitance sw to gnd - - - 18 - - - pf f = 1.0mhz, v offset = -15v c sg(on) on capacitance sw to gnd - - - 70 - - - pf f = 1.0mhz, v offset = -15v +v spk output voltage spike - - - 59 - - - mv v pp = +40v, v nn = -200v, r load = 50 -v spk - - - 115 - - - +v spk - - - 71 - - - v pp = +50v, v nn = -190v, r load = 50 -v spk - - - 115 - - - +v spk - - - 56 - - - v pp = +15v, v nn = -225v, r load = 50 -v spk - - - 115 - - - qc charge injection - - - 1950 - - - pc v pp = +40v, v nn = -200v, v sig = 0v - - - 1890 - - - v pp = +50v, v nn = -190v, v sig = 0v - - - 2110 - - - v pp = +15v, v nn = -225v, v sig = 0v supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
5 hv2321 truth table d0 d1 d2 d3 d4 d5 d6 d7 le clr sw0 sw1 sw2 sw3 sw4 sw5 sw6 sw7 l l l off h l l on l l l off h l l on l l l off h l l on l l l off h l l on l l l off h l l on l l l off h l l on l l l off h l l on l l l off h l l on x x x x x x x x h l hold previous state x x x x x x x x x h all switches off notes: 1. the eight switches operate independently. 2. serial data is clocked in on the l to h transition of the clk. 3. the switches go to a state retaining their present condition at the rising edge of le. when le is low the shift register data fow through the latch. 4. d out is high when data in the shift register 7 is high. 5. shift register clocking has no effect on the switch states if le is high. 6. the clr clear input overrides all other inputs. logic timing waveforms data in le clk data out off on v out (typ) 50% 50% 50% 50% t wle t sd t su t h 50% 50% t off 50% t do t on t wcl clr d n+1 d n d n-1 50% 50% 90% 10% supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
6 hv2321 test circuits switch off leakage i sol open dc offset on/off v out t on /t off te st circuit r l 10k v out isolation diode current i id v pp 5v v nn vpp vnn vdd gnd vnn v sig crosstalk k cr = 20log v out v in v in = 10v p?p @5.0mhz nc r l v pp 5v v nn vpp vnn vdd gnd 50 charge injection v sig v out 1000pf q = 1000pf x v out v out output v oltage spike v out 1k r l 50 +vspk ?vspk off isolation v pp 5v v nn vpp vnn vdd gnd r l v out v in = 10v p?p @5.0mhz v pp 5v v nn vpp vnn vdd gnd v pp 5v v nn vpp vnn vdd gnd v pp 5v v nn vpp vnn vdd gnd v pp 5v v nn vpp vnn vdd gnd v pp 5v v nn vpp vnn vdd gnd k o = 20log v out v in 0v -125v + - v offset + - v offset v out rgnd rgnd rgnd rgnd rgnd rgnd rgnd rgnd supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
7 hv2321 pin confguration - 48-lead lqfp (fg) pin # pin name pin # pin name 1 sw5 25 vnn 2 nc 26 nc 3 sw4 27 rgnd 4 nc 28 gnd 5 sw4 29 vdd 6 nc 30 nc 7 nc 31 nc 8 sw3 32 nc 9 nc 33 din 10 sw3 34 clk 11 nc 35 le 12 sw2 36 clr 13 nc 37 dout 14 sw2 38 nc 15 nc 39 sw7 16 sw1 40 nc 17 nc 41 sw7 18 sw1 42 nc 19 nc 43 sw6 20 sw0 44 nc 21 nc 45 sw6 22 sw0 46 nc 23 nc 47 sw5 24 vpp 48 nc supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
8 hv2321 (the package drawing(s) in this data sheet may not refect the most current specifcations. for the latest package outline information go to http://www.supertex.com/packaging.html .) doc.# dsfp-hv2321 a071009 48-lead lqfp package outline (fg) 7.00x7.00mm body, 1.60mm height (max), 0.50mm pitch 1 seating plane gauge plane l l1 l2 vi ew b vi ew b seating plane top view d d1 e e1 b e side view a2 a a1 note 1 (index area d1/4 x e1/4) 48 symbol a a1 a2 b d d1 e e1 e l l1 l2 dimension (mm) min 1.40* 0.05 1.35 0.17 8.80* 6.80* 8.80* 6.80* 0.50 bsc 0.45 1.00 ref 0.25 bsc 0 o nom - - 1.40 0.22 9.00 7.00 9.00 7.00 0.60 3.5 o max 1.60 0.15 1.45 0.27 9.20* 7.20* 9.20* 7.20* 0.75 7 o jedec registration ms-026, variation bbc, issue d, jan. 2001. * this dimension is not specifed in the jedec drawing. drawings are not to scale. supertex doc. #: dspd-48lqfpfg version, d041309. 1 seating plane gauge plane l l1 l2 vi ew b vi ew b seating plane top view d d1 e e1 b e side view a2 a a1 note 1 (index area d1/4 x e1/4) 48 note: 1. a pin 1 identifer must be located in the index area indicated. the pin 1 identifer can be: a molded mark/identifer; an embedded metal marker; or a printed indicator. supertex inc. does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such appl ications unless it receives an adequate ?product liability indemnification insurance agreement.? supertex inc. does not assume responsibility for use of devices described, and limits its liability to the replacement of the devices determined defective due to workmanship. no responsibility is assumed for possible omissions and inaccuracies. circuitry and specifications are subject to change without notice. for the latest product specifications refer to the supertex inc. (website: http//www .supertex.com) ?201 1 supertex inc. a ll rights reserved. unauthorized use or reproduction is prohibited. supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
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