U2860BB Datasheet, PDF (3/11 Pages) TEMIC Semiconductors – Dual-Channel FM Sound Demodulator for TV Systems

Pin Description
V_in1 1
14 V_in2
NC 2
13 V_S
V_mute 3
12 GND
V_{sque 4} U2860B _{11 Cstab}
NC 5
10 R_ref
V_{AF2 6}
9 C₉
V_AF1 ⁷
8 ^C8
94 8679
Figure 2. Connection diagram
U2860B-B
Pin Symbol Function
1
V_in1 Intercarrier input of sound
channel 1 (5.5 MHz)
2
NC Not connected
3
V_mute Mute for sound channel 1+2
“on/off”
4
V_sque Automatic mute for 2nd sound
channel (squelch) “on/off”
5
NC Not connected
6
V_AF2 Audio output AF2 of sound
channel 2
7
V_AF1 Audio output AF1 of sound
channel 1
8
C₈ Decoupling capacitor for sound
channel 1
9
C₉ Decoupling capacitor for sound
channel 2
10
R_ref VCO offset of the free-running
frequency
11
C_stab Internal supply voltage
stabilization
12
GND Ground
13
V_S Supply voltage
14
V_in2 Intercarrier input of sound
channel 2 (5.74 MHz)
Maximum Ratings
Reference point Pin 12, unless otherwise specified
Parameters
Symbol
Value
Unit
Supply voltage
Pin 13
V_S
9.0
V
Supply current
Pin 13
I_S
33
mA
Power dissipation V_S = +9 V
Output currents
Pin 6, 7
P
300
mW
I_out
±1.5
mA
External voltages
Pin 1, 14
V_ext
2.0
V
Pin 3, 4
V_ext
V_S
V
Pin 6, 7, 8, 9, 10, 11
V_ext
4.5 V
V
Junction temperature
T_j
+125
°C
Storage temperature
T_stg
–25 to +125
°C
Electrostatic handling ^*) all pins
V_ESD
±200
V
*₎
Machine model in accordance with ESD S5.2 standard
TELEFUNKEN Semiconductors
3 (11)
Rev. A1, 17-Jun-96
Preliminary Information