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AN7208

Panasonic Semiconductor
Part Number AN7208
Manufacturer Panasonic Semiconductor
Description TV/FM front-end
Published Mar 26, 2005
Detailed Description ICs for FM/AM Tuner AN7208SA TV/FM front-end IC for 1.5 V headphone stereo s Overview The AN7208SA is a TV/ FM front-en...
Datasheet PDF File AN7208 PDF File

AN7208
AN7208

Overview
ICs for FM/AM Tuner AN7208SA TV/FM front-end IC for 1.
5 V headphone stereo s 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.
between IF amp.
is not necessary by combination with the AN7233SH.
6.
5±0.
3 20 11 Unit : mm s Features • Built-in two system of FM and VHF band front-end • Pre-amp.
between IF amp.
is not necessary (combination with the AN7233SH) • Built-in standby /IF gain control/local oscillator buffer circuits 1 10 4.
3±0.
3 6.
3±0.
3 (0.
50) 0.
65±0.
10 1.
5±0.
2 0.
65±0.
10 0.
1±0.
1 (0.
33) 0.
65 0.
25±0.
10 Seating plane 0.
15 − 0.
05 +0.
10 Seating plane s Applications • 1.
5 V headphone stereo (VCC 1.
0 V to 2.
0 V) SSOP020-P-0225A s Block Diagram 20 19 18 17 16 15 14 13 12 11 Power 10 1 FM mix.
FM OSC OSC buffer TV OSC FM RF 1 2 TV RF 3 TV mix.
4 1st IF amp.
5 6 2nd IF amp.
7 8 9 AN7208SA s Pin Descriptions Pin No.
1 2 3 4 5 6 7 8 9 10 Description FM RF input TV RF input GND 1 N.
C.
IF out 1 Mode SW IF in IF gain control IF out 2 GND 2 Pin No.
11 12 13 14 15 16 17 18 19 20 VCC2 STDBY TV OSC 1 TV OSC 2 OSC buff.
FM OSC 1 FM OSC 2 TV RF FM RF VCC1 ICs for FM/AM Tuner Description s Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation Operating ambient temperature Storage temperature *1 *1 Symbol VCC ICC PD Topr Tstg Rating 2.
5 12 30 −20 to +75 −55 to +125 Unit V mA mW °C °C Note) *1 : All items are at Ta = 25°C, except for the operating ambient temperature and storage temperature.
s Recommended Operating Range Parameter Supply voltage Symbol VCC Range 1.
0 to 2.
0 Unit V s Electrical Characteristics at VCC = 1.
2 V, Ta = 25°C Parameter TV fIN = 221.
75 MHz Conversion gain *1 Oscillation voltage S/N *2 Symbol Conditions Min Typ Max Unit GCONV(TV) fOUT = 10.
6 MHz VOSC(TV) S/N(TV) ITOT(TV) VBUF(TV) VCC = 0.
95 V VCC = 0.
95 V Input level = 60 dBµ 1 kHz 30% Mod.
 30 15 41  39 38 27 44 8.
8 62 46   12  ...


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