TDA3858 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)
n.c.
3 not connected
C_AGC
C_AM
MODE
4 charge capacitor for AGC (FM and AM)
5 charge capacitor for AM AGC
6 3-state input for standard select
MATR
7 input for stereo matrix correction
FM2R1
8 reference circuit for FM2 (5.74 MHz)
FM2R2
9 reference circuit for FM2 (5.74 MHz)
AF2
10 AF2 output (AF out of 5.74 MHz)
AF1
11 AF1 output (AF out of 5.5 MHz or AM)
FM1R1 12 reference circuit for FM1 (5.5 MHz)
FM1R2 13 reference circuit for FM1 (5.5 MHz)
n.c.
14 not connected
n.c.
15 not connected
VC-R1
16 reference circuit for the vision carrier (38.9 MHz)
VC-R2
17 reference circuit for the vision carrier (38.9 MHz)
n.c.
18 not connected
TRACK 19 DC output level for tracking
C_AFAM
FM1l
20 DC decoupling capacitor for AM demodulator (AF-AM)
21 intercarrier input for FM1 (5.5. MHz)
C_AF1
ICO
22 DC decoupling capacitor for FM1 demodulator (AF1)
23 intercarrier output signal (5.5/5.74 MHz)
C_AF2
FM2I
24 DC decoupling capacitor for FM2 demodulator (AF2)
25 intercarrier input for FM2 (5.74 MHz)
GND
26 ground (0 V)
V_P1
V_P2
C_REF
n.c.
27 +5 to +8 V supply voltage (pin 28 not connected)
28 + 12 V supply voltage (pin 27 not connected)
29 charge capacitor for reference voltage
30 not connected
FMIF1
31 IF difference input 1 for B/G standard (38.9 MHz)
FMIF2
32 IF difference input 2 for B/G standard (38.9 MHz)
Product specification
TDA3858
Fig.2 Pin configuration.
June 1994
4