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AN7352S

Panasonic Semiconductor
Part Number AN7352S
Manufacturer Panasonic Semiconductor
Description Playback Pre-amplifier for Stereo Cassette Deck
Published Mar 26, 2005
Detailed Description ICs for Cassette, Cassette Deck AN7352S Playback Pre-amplifier for Stereo Cassette Deck s Overview The AN7352S is a bip...
Datasheet PDF File AN7352S PDF File

AN7352S
AN7352S

Overview
ICs for Cassette, Cassette Deck AN7352S Playback Pre-amplifier for Stereo Cassette Deck s Overview The AN7352S is a bipolar IC developed as a playback pre-amplifier of analogue cassette deck.
Particularly in order to support the automatic adjustment, it incorporates various volume filter circuits and control functions.
Also, it has realized great reduction of external parts required.
0.
4±0.
25 0.
45 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 Unit : mm 0.
1±0.
1 s Features • Variable volume circuits for playback gain adjustment built-in • Various equalizer switching circuit built-in • Series mute circuit built-in • MS (head locating) amp.
comparator circuit built-in 0.
3 7.
2±0.
3 9.
4±0.
3 28-Lead SOP Package (SOP028-P-0375A) s Pin Name Pin No.
1 2 3 4 5 6 7 8 9 10 –VCC PB T1 Input (R Ch.
) PB T2 Input (R Ch.
) PB NF Input (R Ch.
) 120µ/ 70µ ( × 2) NF SW 120µ/ 70µ ( × 1) NF SW PB Monitor Output T1/ T2 LOGIC 120µ/ 70µ LOGIC PB Output (R Ch.
) Pin Name Pin No.
11 12 13 14 15 16 17 18 19 20 MS Input +VCC MS NF Input MS Output MS De-coupling MS GND Volume Control (L Ch.
) PB Output (L Ch.
) × 1/ × 2 LOGIC Pin Name Volume Control (R Ch.
) Pin No.
21 22 23 24 25 26 27 28 Pin Name P/R LOGIC PB Monitor Output 120µ/ 70µ ( × 2) NF SW 120µ/ 70µ ( × 1) NF SW PB NF Input (L Ch.
) PB T2 Input (L Ch.
) PB T1 Input (L Ch.
) GND s Block Diagram GND 28 27 26 25 24 23 22 21 20 19 18 17 16 15 P/ R × 1/ ×2 CTL 22kΩ – + 1kΩ + – 82kΩ + – CTL 47pF T1/ T2 120µ/ 70µ 1 –VCC 2 3 4 5 6 7 8 9 10 11 12 13 +VCC 0.
925 47kΩ 14 0.
15 2.
0±0.
2 17.
81±0.
3 1.
27 AN7352S s Absolute Maximum Ratings (Ta=25˚C) Parameter Supply Voltage Supply Current Power Dissipation Operating Ambient Temperature Storage Temperature Symbol VCC ICC (+) ICC (–) PD Topr Tstg ICs for Cassette, Cassette Deck Rating ±6.
7 22 20 702 –25 ~ + 75 –55 ~ + 150 Unit V mA mA mW ˚C ˚C s Recommended Operating Range (Ta= 25˚C) Parameter Operating Supply Voltage Range Symbol VCC Range ± 4.
5V ~ ±...


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