unisonic technologies co., ltd m2110 linear integrated circuit www.unisonic.com.tw 1 of 2 copyright ? 2015 unisonic technologies co., ltd qw-r105-027.c monaural mic amp. for video camera ? description the utc m2110 is a monaural microphone amplifier. it?s used for video camera which can operate from 2.7v. for the performance is small package and low operating current. so it is easy to design the downsizing and low consumption. ? features *operating voltage: 2.7v~5.3v *low operating current: v+=5v, 3.5ma (typ,) v+=3.3v, 1.1ma (typ.) *short circuit protection for external mic. ? ordering information ordering number package packing m2110g-s08-r sop-8 tape reel M2110G-P08-R tssop-8 tape reel (1) r: tape reel (2) s08: sop-8, p08: tssop-8 (3) g: halogen free and lead free m2110g -s08 -r (1) packing type (2) package type (3) green package ? marking sop-8 tssop-8
m2110 linear integrated circuit unisonic technologies co., ltd 2 of 4 www.unisonic.com.tw qw-r105-027.c ? pin configuration ? pin descriptions pin no. pin name i/o description 1 mic v+ 2 ext mic v+ o external microphone power supply 3 +v in i microphone amplifier non-inverting input 4 gnd ground 5 -v in i microphone amplifier inverting input 6 amp nfb 7 amp out o amplifier output 8 v+ power supply ? block diagram 8 7 6 5 1 2 3 4 mic v + ext mic v + 13.7k 100k + - 444 amp mic v + ext mic v + +v in gnd v + amp out amp nfb -v in
m2110 linear integrated circuit unisonic technologies co., ltd 3 of 4 www.unisonic.com.tw qw-r105-027.c ? absolute maximum ratings (t a =25c, unless otherwise specified) parameter symbol ratings unit supply voltage v + 7.0 v tssop-8 250 mw power dissipation sop-8 p d 300 mw operating temperature t opr -20 ~+75 ? c storage temperature t stg -40 ~+125 ? 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 (v+= 5v, t a =25c, unless otherwise specified)) parameter symbol test condition min typ max unit operating current 1 i cc 1 3.5 4.5 ma operating current 2 i cc 2 v + = 3.3v 1.1 2.0 ma transfer gain gv f=1khz 27 28 29 db total harmonic distortion thd vo=300mvrms, r l =10k ? , f=1khz 0.05 0.2 % maximum output voltage v o(max) v + = 2.7v, r l =10k ? , f=1khz,thd=1% 2.0 2.5 vp-p output noise voltage en rg=1k ? , c=0.1 f, a-weight 30 42 vrms input resistance gain z in f=1khz 110 k ? output resistance z out f=1khz 10 ? mic output supply voltage 1 mico 1 2.0 2.35 2.7 v mic output supply voltage 2 mico 2 v + = 2.7v 2.0 2.25 2.5 v external output supply voltage ext out io=25ma 4.0 v output short circuit current i o(sc) ext out =0v 30 ma
m2110 linear integrated circuit unisonic technologies co., ltd 4 of 4 www.unisonic.com.tw qw-r105-027.c ? test circuit r l 0.1 f 10k ? 8 7 6 5 *sw 2 :output noise voltage test ext mic vcc out gnd v + amp out 1 2 3 4 1 f 0.1 f 0.1 f 47 f 2.2k ? electret condenser mic. 1 2* r g 1k ? 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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