AN7289NFBQ データシートの表示（PDF） - Panasonic Corporation
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AN7289NFBQ Datasheet PDF : 5 Pages
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ICs for FM/AM Tuner
AN7289NFBQ
FM-FE+AM IC for car radio
s Overview
The AN7289NFBQ is an IC having FM-FE+AM
functions for car radio. A tuner block of car radio can be
constructed by using this IC and the AN7293NSC/NFBQ.
s Features
• A less number of electrolytic capacitors is required (3
capacitors reduction compared with our conventional
IC)
• AM: Effective sensitivity is improved by 2 dB through
ATC
• AM: Strong-input characteristic is improved by 2-loop-
AGC function
• The AN7289NSC of DIL package type is also available
s Applications
• Car radios
s Block Diagram
24
25
Unit : mm
17
16
32
1
9
8
7.0±0.3
9.2±0.4
(0.55)
LQFP032-P-0707
VFOSC 25
FM/AM SW
16
VAOSC 26
FM FM
AGC mix.
15
GND2 27
AM
OSC
FM
14
IF amp.
28
FE
13
OSC
AM
mix.
Keyed-AGC in 29
AM. S-meter
12
AM-AFOUT 30
31
32
AM
ATC
AM
det.
AM
IF AGC
AM
SSC
AM
RF
11
AGC
10
AM
IF amp.
9
1
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