U2860B-M Datasheet, PDF (2/14 Pages) ATMEL Corporation – Dual-Channel FM Sound Demodulator for TV Systems

Pin Configuration
Figure 2. Pinning
V_in1 1
NC 2
V_mute 3
V_sque 4
NC 5
V_AF2 6
V_AF1 7
14 V_in2
13 V_S
12 GND
11 C_stab
10 R_ref
9 C₉
8 C₈
Pin Description
Pin
Symbol
1
V_in1
2
NC
3
V_mute
4
V_sque
5
NC
6
V_AF2
7
V_AF1
8
C₈
9
C₉
10
R_ref
11
C_stab
12
GND
13
V_S
14
V_in2
Function
Intercarrier input of sound channel 1 (5.5 MHz)
Not connected
Mute for sound channel 1+2 “on/off”
Automatic mute for 2nd sound channel (squelch) “on/off”
Not connected
Audio output AF2 of sound channel 2
Audio output AF1 of sound channel 1
Decoupling capacitor for sound channel 1
Decoupling capacitor for sound channel 2
VCO offset of the free-running frequency
Internal supply voltage stabilization
Ground
Supply voltage
Intercarrier input of sound channel 2 (5.74 MHz)
2 U2860B-M
4794A–TVVCR–02/04