u2860b-m ATMEL Corporation, u2860b-m Datasheet - Page 2

• Manufacturer Part Number: u2860b-m
• Description: U2860b-m Dual-channel Fm Sound Demodulator For Tv Systems
• Manufacturer: ATMEL Corporation

2. Pin Configuration
Figure 2-1.
Table 2-1.
2
Pin
10
11
12
13
14
1
2
3
4
5
6
7
8
9
U2860B-M
Pinning
Pin Description
Symbol
VMUTE
VSQUE
CSTAB
RREF
VAF2
VAF1
VIN1
GND
VIN2
NC
NC
C8
C9
VS
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)
VMUTE
VSQUE
VAF2
VAF1
VIN1
NC
NC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
GND
VIN2
VS
CSTAB
RREF
C9
C8
4794E–TVVCR–12/05