TDA4472-A Datasheet, PDF (10/14 Pages) TEMIC Semiconductors – Video-IF (VIF) with FPLL Demodulation and Quasi Parallel Sound (QPS) Processing

TDA4472-A
Internal Pin Configuration
1, 27
2, 28
2kW
2k W
3V
20 k W
94 8521
Figure 5. Sound IF inputs (pin 1-2, 27-28)
3.5 V
3 ^{10 k W}
60 k W
94 8522
Figure 6. Input selector switch (pin 3)
5
94 8523
Figure 7. SIF-AGC time constant (pin 5)
10 (14)
TELEFUNKEN Semiconductors
6
7
2 kW
4.2 V
2k W
2.3 V
94 8524
Figure 8. Video IF input (pin 6-7)
94
8525
8
Figure 9. VIF-AGC time constant (pin 8)
3.5 V
10 ^{6 k W}
6.5 k W
94 8526
Figure 10. Tuner AGC – take over point (pin 10)
Rev. A1: 26.07.1995