AN7280S データシートの表示（PDF） - Panasonic Corporation
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AN7280S Datasheet PDF : 7 Pages
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ICs for FM/AM Tuner
AN7280S
FM Front-end IC for Car Radio
s Overview
The AN7280S is an FM front-end IC designed for DTS
except RF amp. of car radio. It features built-in local oscil-
lation frequency buffer output, PIN diode driver for anten-
na damping and SSC (search stop control).
s Features
• High sensitivity, high S/N ratio
• Good IM characteristics at strong input
• Available for two loop AGC (keyed AGC)
• Pre IF amp. gain variable
• PIN diode driver (ADX) built-in
Unit : mm
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
0.3
5.4±0.3
7.7±0.3
20-Lead SOP Package (SOP020-P-0300B)
s Block Diagram
GND
20
19
18
17
16
15
14
13
12
11
ADX
OSC
Mixer
Buffer
Buffer
AGC Amp.
Det.
IF Amp.
VREG
SSC
1
2
3
4
5
6
7
8
9
10
GND
VCC
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