TDA3856 Datasheet, PDF (4/17 Pages) NXP Semiconductors – Quasi-split sound processor for all standards

Philips Semiconductors
Quasi-split sound processor for all standards
PINNING
SYMBOL PIN
DESCRIPTION
AMIF1
1 AM IF difference input 1 for L standard (32.4 MHz)
AMIF2
2 AM IF difference input 2 for L standard (32.4 MHz)
C_AGC
C_AM
MODE
3 charge capacitor for AGC (FM and AM)
4 charge capacitor for AM AGC
5 3-state input for standard select
FM2R1
6 reference circuit for FM2 (5.74 MHz)
FM2R2
7 reference circuit for FM2 (5.74 MHz)
AF2
8 AF2 output (AF out of 5.74 MHz)
AF1
9 AF1 output (AF out of 5.5 MHz or AM)
FM1R1 10 reference circuit for FM1 (5.5 MHz)
FM1R2
11 reference circuit for FM1 (5.5 MHz)
VC-R1
12 reference circuit for the vision carrier (38.9 MHz)
VC-R2
13 reference circuit for the vision carrier (38.9 MHz)
C_AFAM
FM1|
14 DC decoupling capacitor for AM demodulator (AF-AM)
15 intercarrier input for FM1 (5.5 MHz)
C_AF1
ICO
16 DC decoupling capacitor for FM1 demodulator (AF1)
17 intercarrier output signal (5.5/5.74 MHz)
C_AF2
FM2I
18 DC decoupling capacitor for FM2 demodulator (AF2)
19 intercarrier input for FM2 (5.74 MHz)
GND
20 ground (0 V)
V_P
C_REF
FMIF1
21 +5 to +8 V supply voltage
22 charge capacitor for reference voltage
23 IF difference input 1 for B/G standard (38.9 MHz)
FMIF2
24 IF difference input 2 for B/G standard (38.9 MHz)
Product specification
TDA3856
Fig.2 Pin configuration.
June 1994
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