Multimedia ICs
BA3837 / BA3837F / BA3838F
Pin descriptions
•
Pin No.
Pin name
Equivalent circuit
Function
1
VCC
1
2
VCC
V
CC
51k
2
Mixing input pin for microphone sound
2
MIC IN
VCC
VCC
20k
20k
3
3
LOUT
Lch output pin
1
2
VCC
V
CC
51k
4
Input pin for key controller signals
4
FK
BA3837 / BA3837F
V
CC
V
CC
5
Output pin for key controller signals
5
TK
BA3838F
VCC
VCC
5
400
3