ICs for FM/AM Tuner
AN7289NSC
FM-FE+AM IC for car radio
s
Overview
The AN7289NSC is an IC having FM-FE+AM
functions for car radio. A tuner block of car radio
can be constructed by combination of this IC and
the AN7293NSC / NFBQ.
17.81±0.3
32
17
Unit: mm
s
Features
•
A less number of electrolytic capacitors is required
(3 capacitors reduction compared with our con-
ventional IC)
•
AM: Practical sensitivity is improved by 2 dB by
ATC
•
AM: Strong input characteristics is improved by
2-loop AGC function
1
16
7.2±0.3
9.3±0.3
1.23
0.35±0.1
1.0
Seating plane
s
Applications
•
Car radios
SSOP032-P-0375
s
Block Diagram
GND2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
0.1±0.1
0.9
2.0±0.2
0.15
18
15
FE
OSC
AM
OSC
FM
AGC
FM/AM SW
FM
mix.
AM
RF-AGC
AM
mix.
AM.S-meter
FM
IF-amp.
AM
ATC
1
2
3
AM
IF-AGC
4
5
AM
det.
6
7
AM
SSC
10
8
9
AM
IF-amp.
11
12
13
14
16
1
GND1
V
CC
17
0.3
PANASONIC [ PANASONIC SEMICONDUCTOR ]
