35
Pinning
3. TDA7267A - 3W Mono amplifier
• Can deliver 3W THD 10% 14.5V/8
Ω
• Internal fixed gain 32dB
• No feedback capacitor
• No boucherot cell
• Thermal protection
• AC short circuit protection
• SVR capacitor for better ripple rejection
• Low turn ON/OFF pop
• Stand-by mode
Symbol
Pin
Description
IFIN
1
Sound IF differential input signal
n.c.
2
Not connected
C
AGC
3
AGC capacitor
C
REF
4
REF voltage filtering capacitor
n.c.
5
Not connected
AMOUT
6
AM demodulator output
AMIN
7
Input signal from audio switch
AFOUT
8
Output signal from audio switch
EXTIN
9
Input signal (from external) to audio switch
SWITCH
10
Switch input select control
V
P2
11
Supply v12V (alternative)
MUTE
12
Mute control
GND
13
Ground (0V)
V
P1
14
Supply v5V to +8V
n.c.
15
Not connected
IFIN
16
Sound IF differential input signal
Block Diagram
APPENDIX
IC DESCRIPTION
Summary of Contents for 14C5
Page 3: ...2 CIRCUIT BLOCK DIAGRAM ...
Page 5: ...AUDIO VIDEO ...
Page 6: ...4 Mechanical Exploded View ...
Page 32: ...30 IC DESCRIPTION APPENDIX ...
Page 35: ...33 APPENDIX IC DESCRIPTION ...
