unisonic technologies co., ltd TDA7388 preliminary linear integrated circuit www.unisonic.com.tw 1 of 5 copyright ? 2012 unisonic technologies co., ltd qw-r107-067.a 4 x 41w quad bridge car radio amplifier ? description the utc TDA7388 is a class ab audio power amplifier. it allows a rail to rail output voltage swing with no need of bootstrap capacitors for the fully complementary pnp/npn output configuration. the utc TDA7388 is suitable for high end car radio applications. ? features * high output power@ v cc =14.4v, f=1khz, r l =4 ? : -4 x 41w max. -4 x 25w @thd=10% * rail to rail output voltage swing * low thd & e no hzip-25b ? ordering information ordering number package packing lead free halogen free TDA7388l-j25-b-t TDA7388g-j25-b-t hzip-25b tube note: xx: output voltage, refer to marki ng information. (1) t: tube (2) j25-b: hzip-25b (3) halogen free, l: lead free TDA7388l-j25-b-t (1) packing type (2) package type (3) lead free
TDA7388 preliminary linear integrated circuit unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r107-067.a ? pin configuration 125 ? pin description pin no. pin name description 1 tab connect to gnd 2 p-gnd2 power gnd of channel 2 3 out2- inverting output of channel 2 4 st-by stand-by 5 out2+ non-inverting output of channel 2 6 v cc supply voltage 7 out1- inverting output of channel 1 8 p-gnd1 power gnd of channel 1 9 out1+ non-inverting output of channel 1 10 svr supply voltage rejection 11 in1 input of channel 1 12 in2 input of channel 2 13 s-gnd signal gnd 14 in4 input of channel 4 15 in3 input of channel 3 16 ac-gnd ac gnd 17 out3+ non-inverting output of channel 3 18 p-gnd3 power gnd of channel 3 19 out3- inverting output of channel 3 20 v cc supply voltage 21 out4+ non-inverting output of channel 4 22 mute mute 23 out4- inverting output of channel 4 24 p-gnd4 power gnd of channel 4 25 hsd no connection
TDA7388 preliminary linear integrated circuit unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r107-067.a ? block diagram
TDA7388 preliminary linear integrated circuit unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r107-067.a ? absolute maximum rating parameter symbol ratings unit operating supply voltage v cc 18 v dc supply voltage v cc ( dc ) 28 v peak supply voltage (t = 50ms) v cc ( pk ) 50 v output peak current repetitive (duty cycle 10% at f = 10hz) i o 4.5 a non repetitive (t = 100s) 5.5 a power dissipation (t c = 70c) p d 80 w junction temperature t j 150 c storage temperature t stg -55 ~ 150 c note: absolute maximum ratings are those values be yond 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 case jc 1 c /w ? electrical characteristics (v s =14.4v, f =1khz, r g =600 ? , r l =4 ? , t a =25c, refer to the test and application diagram, unless otherwise specified.) parameter symbol test conditions min typ max unit quiescent current i q1 r l = 120 190 350 ma output offset voltage v os play mode 80 mv during mute on/off output offset voltage ? v os 80 mv voltage gain g v 25 26 27 db output power p o thd = 10%, v s = 14.4v 22 26 w max. output power (note 1) p o ( ma x ) v s = 14.4v 38 41 w distortion thd p o = 4w 0.04 0.15 % output noise e no "a" weighted 50 70 v b w = 20hz ~ 20khz 70 100 v supply voltage rejection svr f = 100hz, v r = 1vrms 50 65 db high cut-off frequency f ch p o = 0.5w 100 200 khz input impedance r i 70 100 k ? cross talk c t f = 1khz, p o = 4w 60 70 db f = 10khz, p o = 4w 50 60 db st-by current consumption i sb 50 a st-by out threshold voltage v sb ( out ) (amp: on) 3.5 v st-by in threshold voltage v sb ( in ) (amp: off) 1.5 v mute attenuation a m p o ( ref ) = 4w 80 90 db mute out threshold voltage v m ( out ) (amp: play) 3.5 v mute in threshold voltage v m ( in ) (amp: mute) 1.5 v v s automute threshold v am(in) (amp: mute), att 80db, p o ( ref ) =4 ? 6.5 v (amp: play), att <0.1db, p o = 0.5 ? 7.6 8.5 v muting pin current i pin22 v mute = 1.5v (source current) 5 11 20 a note: 1. saturated square wave output.
TDA7388 preliminary linear integrated circuit unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r107-067.a ? typical application circuit 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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