unisonic technologies co., ltd a6966 linear integrated circuit www.unisonic.com.tw 1 of 4 copyright ? 2015 unisonic technologies co., ltd qw-r121-007.b 5 dot led level meter ? description the utc a6966 is designed for 5 led level meter driver in 9 lead sip package. it consists of one input amplifier and five comparators for led level indication. ? features * low spurious noise operation. * constant current output: i out =8ma (typ.) * indication level steps: 5db, 5db, 3db, 3db * wide operating supply voltage range: v cc = 4~ 12v * variable input amplifier gain: g v = 0 ~ 20db ? ordering information ordering number package packing a6966g-g09-t sip-9 tube ? marking
a6966 linear integrated circuit unisonic technologies co., ltd 2 of 4 www.unisonic.com.tw qw-r121-007.b ? block diagram 3 4 6 1 5 7 8 9 2 c1 + - c2 + - c3 + - c4 + - c5 + - amp + - 1 2 v ref v d r5 r4 r3 r2 r1 gnd i o1 i o2 i o3 i o4 i o5 v cc v cc v in v cc
a6966 linear integrated circuit unisonic technologies co., ltd 3 of 4 www.unisonic.com.tw qw-r121-007.b ? absolute maximum ratings (t a = 25c, unless otherwise specified) parameter symbol ratings unit supply voltage v cc 14 v led driving terminal voltage v l 15 v power dissipation 600 mw derated above t a = 25c p d 4 mw/c operating temperature t opr -20 ~ +85 c storage temperature t stg -40 ~ +150 c note: 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. ? electrical characteristics (t a = 25c, v cc = 9v, f = 1khz, unless otherwise specified) parameter symbol test conditions min typ max unit quiescent current i q v in = 0v 3 5 ma output current i out 5 8 10 ma output leak current i out(off) 50 a sensitivity v ld5(on) r s = 24k ? , r f = 100k ? 230 mv rms d5 -1 0 1 db d4 -4 -3 -2 db d3 -7.5 -6 -4.5 db d2 -13 -11 -9 db led turn-on input level d1 r s = 24k ? , r f = 100k ? i out = 1ma -19 -16 -13 db
a6966 linear integrated circuit unisonic technologies co., ltd 4 of 4 www.unisonic.com.tw qw-r121-007.b ? typical application circuit 3 4 6 1 5 7 8 9 2 + i o1 i o2 i o3 i o4 i o5 i cc i r d r s + c f r f c s v in 4.7 f 0.47 f 100k 24k v cc 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.
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