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AN7352S Datasheet(PDF) 1 Page - Panasonic Semiconductor |
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AN7352S Datasheet(HTML) 1 Page - Panasonic Semiconductor |
1 / 3 page ![]() ICs for Cassette, 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. 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 AN7352S Playback Pre-amplifier for Stereo Cassette Deck 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 0.3 9.4 ±0.3 Unit : mm 7.2 ±0.3 28-Lead SOP Package (SOP028-P-0375A) Pin No. Pin Name 21 22 23 24 25 26 27 28 P/R LOGIC PB Monitor Output 120 µ/ 70µ ( × 2) NF SW 120 µ/ 70µ ( × 1) NF SW PB NF Input (L Ch.) PB T2 Input (L Ch.) PB T1 Input (L Ch.) GND Pin No. Pin Name 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.) 120 µ/ 70µ ( × 2) NF SW 120 µ/ 70µ ( × 1) NF SW PB Monitor Output T1/ T2 LOGIC 120 µ/ 70µ LOGIC PB Output (R Ch.) s Pin Name Pin No. Pin Name 11 12 13 14 15 16 17 18 19 20 Volume Control (R Ch.) MS Input +VCC MS NF Input MS Output MS De-coupling MS GND Volume Control (L Ch.) PB Output (L Ch.) × 1/ × 2 LOGIC 28 1 3 10 13 14 11 12 4 5 7 8 9 26 25 24 23 22 21 20 19 18 17 16 15 27 2 6 CTL 120 µ/ 70 µ T1/ T2 P/ R × 1/ × 2 CTL 1k Ω 47k Ω 22k Ω – + – + – + GND +VCC –VCC s Block Diagram |
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