unisonic technologies co., ltd M2073 linear integrated circuit www.unisonic.com.tw 1 of 9 copyright ? 2010 unisonic technologies co., ltd qw-r107-060.b dual low voltage power amplifier ? description as a dual low voltage power amplifier, the utc M2073 has the internal circuits, such as parasitic oscillation preventing circuit and muting circuit. considering the fixed gain of utc M2073 , there?s an additional voltage reducing application for the utc M2073 . the normal application of M2073 is being used as a dual audio power amplifier in lots of portable equipments. ? features * operating voltage ( v cc =1.8v~15v ) * low crossover distortion * low operating current * bridge or stereo configuration * no turn-on noise * bipolar technology ? ordering information ordering number lead free plating halogen free package packing M2073l-d08-t M2073g-d08-t dip-8 tube M2073l-s08-r M2073g-s08-r sop-8 tape reel
M2073 linear integrated circuit unisonic technologies co., ltd 2 of 9 www.unisonic.com.tw qw-r107-060.b ? pin configuration
M2073 linear integrated circuit unisonic technologies co., ltd 3 of 9 www.unisonic.com.tw qw-r107-060.b ? block diagram 8 7 6 5 4 3 2 1 a bias 300 ? 50k ? 100k ? b 300 ? 50k ? 100k ? v + b-input b+input a+input a-input gnd output b v cc output a
M2073 linear integrated circuit unisonic technologies co., ltd 4 of 9 www.unisonic.com.tw qw-r107-060.b ? absolute maximum rating parameter symbol ratings unit supply voltage v cc 15 v input voltage range v in 0.4 v output peak current i op 1 a dip-8 700 mw power dissipation sop-8 p d 300 mw junction temperature t j 125 operating temperature t opr -40 ~ +85 storage temperature t stg -40 ~ +125 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 btl configuration (page 6) ( vcc=6v,ta=25 ) parameter symbol test conditions min typ max unit operating voltage v cc 1.8 15 v operating current i cc r l = 6 9 ma output offset voltage ( between the outputs ) ? v out r l =8 ? 10 50 mv input bias current i i(bias) 100 na v cc =9v,r l =16 ? ( note ) 2.0 w v cc =6v,r l =8 ? ( note ) 0.9 1.2 w v cc =4.5v,r l =8 ? 0.6 w v cc =4.5v,r l =4 ? ( note ) 0.8 w v cc =3v,r l =4 ? 200 300 mw v cc =2v,r l =4 ? dip-8 80 mw v cc =6v,r l =16 ? ( note ) 0.8 w v cc =4v,r l =8 ? ( note ) 350 460 mw v cc =3v,r l =4 ? ( note ) 200 300 mw thd=10% f=1khz v cc =2v,r l =4 ? sop-8 80 mw v cc =6v,r l =8 ? 1.0 w v cc =4.5v,r l =4 ? dip-8 0.6 w output power p out thd=1% f=40hz~15khz v cc =4v,r l =8 ? sop-8 380 mw p out =0.5w, r l =8 ? , f=1khz dip-8 0.2 % total harmonic distortion thd v cc =4v,r l =8 ? , p out =200mw, r l =8 ? , f=1khz sop-8 0.2 % close loop voltage gain g v f=1khz 41 44 47 db input impedance z in f=1khz 100 k ? v ni1 r s =10k ? , a curve 2 v equivalent input noise voltage v ni2 r s =10k ? , b=22hz~22khz 2.5 v ripple rejection rr f=100hz 40 db g v = -3db from f=1khz, r l =8 ? , p out =1w dip-8 130 khz cutoff frequency f h g v =-3db from f=1khz, r l =16 ? , p out =0.5w sop-8 130 khz note: at on pc board
M2073 linear integrated circuit unisonic technologies co., ltd 5 of 9 www.unisonic.com.tw qw-r107-060.b ? electrical characteristics(cont.) stereo configuration (page 7 ) parameter symbol test conditions min typ max unit operating voltage v cc 1.8 15 v output voltage v out 2.7 v operating current i cc r l = 6 9 ma input bias current i i(bias) 100 na v cc =6v,r l =4 ? ( note ) 0.5 0.65 w v cc =4.5v,r l =4 ? 0.32 w v cc =3v,r l =4 ? 120 mw v cc =2v,r l =4 ? dip-8 30 mw v cc =6v,r l =16 ? 240 mw v cc =5v,r l =8 ? ( note ) 270 mw v cc =4v, r l =4 ? ( note ) 180 250 mw v cc =3v, r l =4 ? 120 mw thd=10% f=1khz v cc =2v, r l =4 ? sop-8 30 mw v cc =6v,r l =4 ? 500 mw v cc =4.5v,r l =4 ? dip-8 250 mw output power (each channel) p out thd=1% f=1khz v cc =4v,r l =4 ? sop-8 180 mw p out =0.4w, r l =4 ? , f=1khz dip-8 0.25 % total harmonic distortion thd v cc =4v, r l =4 ? , p out =150mw, f=1khz sop-8 0.25 % voltage gain g v f=1khz 41 44 47 db channel balance ? g v 1 db input impedance z in f=1khz 100 k ? v ni1 r s =10k ? , a curve 2.5 v equivalent input noise voltage v ni2 r s =10k ? , b=22hz~22khz 3 v ripple rejection rr f=100hz, c x =100f 24 30 db g v =-3db from f=1khz, r l =8 ? , p out =250mw dip-8 200 khz cutoff frequency f h g v =-3db from f=1khz, r l =16 ? , p out =125mw sop-8 200 khz note: at on pc board
M2073 linear integrated circuit unisonic technologies co., ltd 6 of 9 www.unisonic.com.tw qw-r107-060.b ? application circuits for btl mode c 1 10f c 2 0.01f 0.1f v + 0.22f 1 ? r l input 5 6 7 8 4 3 2 1 b-input b+input a+input a-input gnd output b v cc output a btl configuration applitaion circuit mute off mute on 10f c 2 0.1f v + 0.22f 1 ? r l input 5 6 7 8 4 3 2 1 b-input b+input a+input a-input gnd output b v cc output a btl configuration muting circuit 0.01f r m =50k ? r m =50k ? c 2 0.01f c 1
M2073 linear integrated circuit unisonic technologies co., ltd 7 of 9 www.unisonic.com.tw qw-r107-060.b ? application circuits for stero mode 5 6 7 8 stero configuration muting circuit r m =50k ? 0.1f v + 4 3 2 1 b+input b-input a+input a-input gnd output b v cc output a c x input 0.22f 470f 1 ? 0.22f 470f c x input 100f r m =50k ? mute off mute on 100f r l 1 ? r l
M2073 linear integrated circuit unisonic technologies co., ltd 8 of 9 www.unisonic.com.tw qw-r107-060.b ? typical characteristics 05 4 8 14 maximum output voltage (btl) maximum output voltage, v om (v) operating voltage, v cc (v) 22 30 15 2 6 18 26 32 ? r l = 16 ? 8 ? 4 ? 4 3 2 110 9 8 7 611121314 10 12 16 20 24 28 05 2 4 7 maximum output voltage (stereo) maximum output voltage, v om (v) operating voltage, v cc (v) 11 15 15 1 3 9 13 32 ? r l = 16 ? 8 ? 4 ? 4 3 2 110 9 8 7 611121314 5 6 8 10 12 14 ta=25 ta=25 00.6 1.4 0.1 0.3 0.4 power dissipation vs. output power (btl) power dissipation, p d (w) output power, p o (w) 0.7 1.0 2.2 0 0.2 0.6 0.8 r l =4 ? , f=1khz, ta=25 0.2 0.4 0.8 1.01.2 1.6 1.8 2.0 0.5 0.9 thd=10% thd=1% v cc =3v 00.6 1.4 0.1 0.3 0.4 power dissipation vs. output power (btl) power dissipation, p d (w) output power, p o (w) 0.7 1.0 2.2 0 0.2 0.6 0.8 r l =8 ? , f=1khz, ta=25 0.2 0.4 0.8 1.01.2 1.6 1.8 2.0 0.5 0.9 thd=10% thd=1% v cc =3v v cc =4.5v v cc =4.5v 1.1 v cc =6v 1.1 -50 0 1 3 operating current, i cc (ma) ambient temperature, ta ( ) 6 9 125 0 2 5 7 -25 25 50 75 100 4 8 v cc =6v operating current vs. temperature -50 0 41 43 voltage gain, a v (db) ambient temper ature, ta ( ) 46 49 125 40 42 45 47 -25 25 50 75 100 44 48 v cc =6v voltage gain vs. temperature
M2073 linear integrated circuit unisonic technologies co., ltd 9 of 9 www.unisonic.com.tw qw-r107-060.b ? typical characteristics (cont.) 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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