unisonic technologies co., ltd u74lvc2g66 cmos ic www.unisonic.com.tw 1 of 10 copyright ? 2011 unisonic technologies co., ltd qw-r502-432.b dual bilateral analog switch ? description the u74lvc2g66 is a dual bilateral analog switch which is designed for 1.65v to 5.5v oper ation. this switch can handle both analog and digital signals and permits signals with amplitudes of up to 5.5 v (peak ) to be transmitted in either direction. each switch section has enable-input control (c). if the voltage applied to c is at hi gh-level, the associated switch section is turned on. ? features * wide supply voltage range from 1.65v to 5.5v * up to 5.5v inputs accept voltages * max t pd of 0.8 ns at 3.3v * high on-off output voltage ratio * high degree of linearity * high speed, typically 0.5 ns at v cc = 3 v, c l = 50 pf * rail-to-rail input/output * low on-state resistance, typically 6 ? at v cc = 4.5 v tssop-8 ? ordering information ordering number package packing lead free halogen free u74lvc2g66l-p08-r u74lvc2g 66g-p08-r tssop-8 tape reel u74lvc2g66l-p08-t u74lvc 2g66g-p08-t tssop-8 tube (1) r: tape reel, t: tube (2) p08: tssop-8 (3) g: halogen free, l: lead free u74lvc2g66l -p08 -r (1) packing type (2) package type (3) lead free
u74lvc2g66 cmos ic unisonic technologies co., ltd 2 of 10 www.unisonic.com.tw qw-r502-432.b ? pin configuration ? function table (each gate) control input (y) switch l off h on ? logic diagram (positive logic) 1a 1c 1b 1 7 2 one of two switches
u74lvc2g66 cmos ic unisonic technologies co., ltd 3 of 10 www.unisonic.com.tw qw-r502-432.b ? absolute maximum rating (unless otherwise specified) parameter symbol ratings unit supply voltage v cc -0.5~6.5 v input voltage v in -0.5~6.5 v switch i/o voltage v out -0.5~v cc +0.5 v control input clamp current i ik -50 ma i/o port diode current i i/ok -50 ma on-state switch current i out 50 ma v cc or gnd current i cc 100 ma storage temperature t stg -65 ~ +150 c note: 1. the input and output voltage ratings may be exce eded if the input and output cu rrent ratings are observed. 2. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal data parameter symbol ratings unit junction to ambient ja 190 c /w ? recommended operating conditions parameter symbol conditions min typ max unit supply voltage v cc operating 1.65 5.5 v i/o port voltage v i/o 0 v cc v high-level input voltage, control input v ih v cc = 1.65v to 1.95v 0.65*v cc v v cc = 2.3v to 2.7v 0.7*v cc v cc = 3v to 3.6v 0.7*v cc v cc = 4.5v to 5.5v 0.7*v cc low-level input voltage, control input v il v cc = 1.65v to 1.95v 0.35*v cc v v cc = 2.3v to 2.7v 0.3*v cc v cc = 3v to 3.6v 0.3*v cc v cc = 4.5v to 5.5v 0.3*v cc control input voltage v in 0 5.5 v input transition rise or fall rate t r / t f v cc = 1.65v to 1.95v 20 ns/v v cc = 2.3v to 2.7v 20 v cc = 3v to 3.6v 10 v cc = 4.5v to 5.5v 10 operating temperature t opr -40 85 c ? electrical characteristics (t a =25c , unless otherwise specified) parameter symbol test conditions min typ max unit on-state switch resistance r on v in =v cc or gnd, v c = v ih , (see fig.1) i s = 4ma, v cc = 1.65 v 12.5 30 ? i s = 8ma, v cc = 2.3 v 9 20 i s = 24ma, v cc = 3 v 7.5 15 i s = 32ma, v cc = 4.5 v 6 10 peak on-state resistance r on(p) v in =v cc to gnd, v c = v ih , (see fig.1) i s = 4ma, v cc = 1.65 v 85 120 ? i s = 8ma, v cc = 2.3 v 22 30 i s = 24ma, v cc = 3 v 12 20 i s = 32ma, v cc = 4.5 v 7.5 15 difference of on-state resistance between switches r on v in =v cc to gnd, v c = v ih , (see fig.1) i s = 4ma, v cc = 1.65 v 7 ? i s = 8ma, v cc = 2.3 v 5 i s = 24ma, v cc = 3 v 3 i s = 32ma, v cc = 4.5 v 2
u74lvc2g66 cmos ic unisonic technologies co., ltd 4 of 10 www.unisonic.com.tw qw-r502-432.b ? electrical characteristics (cont.) parameter symbol test conditions min typ max unit off-state switch leakage current i s(off) v in = v cc and v out = gnd or v in = gnd and v out = v cc , v c = v il , v cc = 5.5v (see figure 2) 0.1 a on-state switch leakage current i s(on) v in = v cc or gnd, v c = v ih , v out = open, v cc = 5.5v (see figure 3) 0.1 a control input current i in v c = v cc or gnd, v cc = 5.5v 0.1 a quiescent supply current i q v c = v cc or gnd, v cc = 5.5v 1 a a dditional quiescent supply current i q one input at v cc ? 0.6v; v cc = 5.5v; other inputs at v cc or gnd 500 a control input capacitance c in v cc = 5.0v 3.5 pf switch input/output capacitance c io ( off ) v cc = 5.0v 6 pf switch input/output capacitance c io ( on ) v cc = 5.0v 14 pf ? switching characteristics (t a =25c) parameter symbol test conditions min typ max unit propagation delay from input (a or b) to output (b or a) t plh / t phl (t pd ) v cc =1.80.15v, r l =1k ? c l =30pf 2 ns v cc =2.50.2v, r l =500 ? 1.2 v cc =3.30.3v, r l =500 ? c l =50pf 0.8 v cc =5.00.5v, r l =500 ? 0.6 propagation delay from input (c) to output (a or b) t pzl / t pzh (t en ) v cc =1.80.15v, r l =1k ? c l =30pf 2.3 10 ns v cc =2.50.2v, r l =500 ? 1.6 5.6 v cc =3.30.3v, r l =500 ? c l =50pf 1.5 4.4 v cc =5.00.5v, r l =500 ? 1.3 3.9 propagation delay from input (c) to output (a or b) t plz / t phz (t dis ) v cc =1.80.15v, r l =1k ? c l =30pf 2.5 10.5 ns v cc =2.50.2v, r l =500 ? 1.2 6.9 v cc =3.30.3v, r l =500 ? c l =50pf 2 7.2 v cc =5.00.5v, r l =500 ? 1.1 6.3 ? analog switching characteristics (t a =25c) (note) parameter symbol test conditions min typ max unit frequency response (switch on) from input (a or b) to output (b or a) c l = 50 pf, r l = 600 ? , f in = sine wave (see fig.4) v cc = 1.65 v 35 ns v cc = 2.3 v 120 v cc = 3 v 175 v cc = 4.5 v 195 c l = 5 pf, r l = 50 ? , f in = sine wave (see fig.4) v cc = 1.65 v >300 v cc = 2.3 v >300 v cc = 3 v >300 v cc = 4.5 v >300 crosstalk (note) (between switches) from input (a or b) to output (b or a) c l = 50 pf, r l = 600 ? , f in = 1 mhz (sine wave) (see fig.6) v cc = 1.65 v -58 db v cc = 2.3 v -58 v cc = 3 v -58 v cc = 4.5 v -58 c l = 5 pf, r l = 50 ? , f in = 1 mhz (sine wave) (see fig.6) v cc = 1.65 v -42 v cc = 2.3 v -42 v cc = 3 v -42 v cc = 4.5 v -42
u74lvc2g66 cmos ic unisonic technologies co., ltd 5 of 10 www.unisonic.com.tw qw-r502-432.b ? analog switching characteristics (cont.) parameter symbol test conditions min typ max unit crosstalk (control input to signal output) from input (c) to output (b or a) c l = 50 pf, r l = 600 ? , f in =1mhz (sine wave) (see fig.7) v cc = 1.65 v 35 mv v cc = 2.3 v 50 v cc = 3 v 70 v cc = 4.5 v 100 feedthrough attenuation (switch off) from input (a or b) to output (b or a) c l = 50 pf, r l = 600 ? , f in =1mhz (sine wave) (see fig.8) v cc = 1.65 v -58 db v cc = 2.3 v -58 v cc = 3 v -58 v cc = 4.5 v -58 c l = 5 pf, r l = 50 ? , f in = 1mhz (sine wave) (see fig.8) v cc = 1.65 v -42 v cc = 2.3 v -42 v cc = 3 v -42 v cc = 4.5 v -42 sine-wave distortion from input (a or b) to output (b or a) c l = 50 pf, r l = 10 k ? , f in = 1khz (sine wave) (see fig.9) v cc = 1.65 v 0.1 % v cc = 2.3 v 0.025 v cc = 3 v 0.015 v cc = 4.5 v 0.01 c l = 50 pf, r l = 10 k ? , f in = 10khz (sine wave) (see fig.9) v cc = 1.65 v 0.15 v cc = 2.3 v 0.025 v cc = 3 v 0.015 v cc = 4.5 v 0.01 note: adjust f in voltage to obtain 0dbm at input. ? operating characteristics (t a =25c) parameter symbol test conditions min typ max unit power dissipation capacitance c pd v cc = 1.8v f=10mhz 8 pf v cc = 2.5v 9 v cc = 3.3v 9.5 v cc = 5v 11
u74lvc2g66 cmos ic unisonic technologies co., ltd 6 of 10 www.unisonic.com.tw qw-r502-432.b ? parameter measurement a or b one of two switches v ih v c b or a v i = v cc v o v v i -v o a r i s gnd v cc v cc on io s vv r i ? = on-state c fig.1 on-state resistance test circuit a or b c one of two switches v il v c b or a v i v o a gn d v cc v cc off-state condition 1: v i = gnd, v o = v cc condition 2: v i = v cc , v o = gnd fig.2 off-state switch leak age-current test circuit
u74lvc2g66 cmos ic unisonic technologies co., ltd 7 of 10 www.unisonic.com.tw qw-r502-432.b ? parameter measurement (cont.) fig.3 on-state leakage-current test circuit a or b c one of two switches v ih v c b or a v o gnd v cc v cc on-state r l c l v cc /2 50 ? f in 0.1 f r l /c l : 600 ? / 50 pf r l /c l : 50 ? / 5 pf fig.4 frequency response (switch on)
u74lvc2g66 cmos ic unisonic technologies co., ltd 8 of 10 www.unisonic.com.tw qw-r502-432.b ? parameter measurement (cont.) v load open gnd from output c l r l r l test circuit s1 v cc inputs v m v load c l r l v v in t r , t f 1.8v0.15v v cc 2ns v cc /2 2*v cc 30pf 1k ? 0.15v 2.5v0.2v v cc 2ns v cc /2 2*v cc 30pf 500 ? 0.15v 3.3v0.3v v cc 2.5ns v cc /2 2*v cc 50pf 500 ? 0.3v 5v0.5v v cc 2.5ns v cc /2 2*v cc 50pf 500 ? 0.3v notes: 1. c l includes probe and jig capacitance. 2. all input pulses are supplied by generat ors having the following characteristics: p rr 10mhz, z o = 50 ? . fig.5 load circuit and voltage waveforms test s1 t plh / t phl open t plz / t pzl v load t phz / t pzh gnd
u74lvc2g66 cmos ic unisonic technologies co., ltd 9 of 10 www.unisonic.com.tw qw-r502-432.b ? parameter measurement (cont.) 20 log 10 (v o2 /v i1 ) or 20 log 10 (v o1 /v i2 ) fig.6 crosstalk (b etween switches) fig.7 crosstalk (control input, switch output)
u74lvc2g66 cmos ic unisonic technologies co., ltd 10 of 10 www.unisonic.com.tw qw-r502-432.b ? parameter measurement (cont.) r l /c l : 600 ? / 50 pf r l /c l : 50 ? / 5 pf fig.8 feedthrough (switch off) v cc =1.65v, v i = 1.4 v p-p v cc =2.3v, v i = 2 v p-p v cc =3v, v i = 2.5 v p-p v cc =4.5v, v i = 4 v p-p fig.9 sine-wave distortion utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
|
