ICs for FM/AM Tuner
1
AN7208SA
TV/FM front-end IC for 1.5 V headphone stereo
n Overview
The AN7208SA is a TV/ FM front-end IC developed
for use in the headphone stereo. It incorporates two
systems of FM and VHF band front-end. A pre-amp. be-
tween IF amp. is not necessary by combination with the
AN7233SH.
n Features
• Built-in two system of FM and VHF band front-end
• Pre-amp. between IF amp. is not necessary (combina-
tion with the AN7233SH)
• Built-in standby /IF gain control/local oscillator buffer
circuits
n Applications
• 1.5 V headphone stereo (V
CC
1.0 V to 2.0 V)
n Block Diagram
SSOP020-P-0225A
Unit : mm
6.5– 0.3
110
20 11
4.3
–
0.3
6.3
–
0.3
0.65
(0.33)
Seating plane Seating plane
0.25– 0.10
0.1
–
0.1
1.5
–
0.2
0.65
–
0.10
0.65
–
0.10
(0.50)
0.15
+
0.10
-
0.05
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9
10
FM
RF
TV
RF
TV
mix.
1st
IF amp.
2nd
IF amp.
FM
mix.
FM
OSC
TV
OSC
Power
OSC
buffer