Pin Details of IC SN76623

Pin Details of IC SN76623

Substitute : A224D, TBA120T.

Functions :

  1. Sound IF amplifier
  2. FM Detector
  3. AF detector

Pin

No.

Functions
Voltage
1.
Ground(-Ve supply voltage)
0
2.
Sound IF input(5.5MHz.)
1.9
3.
Audio voltage input
2.9
4.
Volume feedback
4.8
5.
Volume control(electro attenuator)
3.8
6.
FM detector
-
7.
FM detector
3.3
8.
AF output
4
9.
FM detector
3.3
10.
FM detector
-
11.
Positive (+Ve supply voltage)
11
12.
Fixed AF output
5
13.
Sound IF feedback
1.9
14.
Sound IF input(5.5MHz.)
1.9



 
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