IC 401 (BA6790FP) - 4CH. BTL driver for CDP
1. PIN CONFIGURATION
2. BLOCK DIAGRAM
PINPINPINPIN
FUNCTIONFUNCTION
NoNAMENoNAME
1VO1(-)Driver channel 1 negative output15OP IN(-)Operational amplifier input,negative
2VO1(+)Driver channel 1 positive output16OP IN(+)Operational amplifier input,positive
3VIN1Driver channel 1 input17VO3(-)Driver channel 3 negative output
4VIN1+Driver channel 1 input,gain adjustment pin18VO3(+)Driver channel 3 positive output
5REG-BConnect external transistor base19VIN3Driver channel 3 input
REGconstant voltage output,connects to+
620VIN3Driver channel 3 gain adjustment pin
OUTexternal transistor collector
7MUTEMute control pin21VccPower supply
8GNDGround22VccPower supply
9VIN2+Driver channel 2 input,gain adjustment pin23BIAS INBias amplifier input
+
10VIN2Driver channel 2 input24VIN4Driver channel 4 gain adjustment pin
11VO2(+)Driver channel 2 positive output25VIN4Driver channel 4 input
12VO2(-)Driver channel 2 negative output26VO4(+)Driver channel 4 positive output
13GNDSubstrate ground27VO4(-)Driver channel 4 negative output
14OP OUT Operational amplifier output28GNDSubstrate ground
DAEWOO
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