AN7356

ICs for Cassette/Cassette Deck Use AN7356NSC Recording and playback equalizer amp. IC for Hi-Fi cassette deck s Overview The AN7356NSC is an audio signal processing IC for analog cassette deck. All the recording and playback processing can be realized with one chip. 0.45 Unit: mm 1 42 s Features Control various adjustment circuit by serial data Playback system Built-in variable volume circuit (±6 dB) for playback gain adjustment Built-in various equalizer switching circuit Built-in series mute circuit Recording system Built-in equalizer (freq. characteristics, gain) circuit of middle and high frequencies Built-in volume circuit (+20 dB) for overall gain adjustment With low frequency band boost pins Built-in drive circuit for current output With parallel data output 1.0 21 0.1±0.1 22 0.3 0.15 9.5±0.3 11.5±0.3 SSOP042-P-0450A s Applications Cassette deck (Hi-Fi) 2.0±0.2 0.9 21.25±0.3 0.35±0.1 1 AN7356NSC s Block Diagram −VEE 1 T1 2 T2 3 4 PB 5 6 600 LPF ICs for Cassette/Cassette Deck Use 42 GND 41 T1 40 39 PB EQ-VR REG VCA VCA T2 EQ-VR 38 37 7 PB out 8 VCC 9 36 35 600 LPF Rec.in 10 11 12 13 14 VCA Q/FF/FR PB out 34 33 Rec. in 32 31 30 29 VCA L-boost Fm/GH Rec. Rec. L-boost Fm/GH Q/FF/FR VOUT 15 28 VOUT IOUT 16 DAC 27 IOUT 26 Inj. Bias 1 17 Bias 2 18 FET 19 −VEE 20 IE 21 25 DA L DA L DA L DA L VDD DAC S/P S/P 24 D-GND Address 23 Shift register S-data 22 CLK 2 ICs for Cassette/Cassette Deck Use s Pin Descriptions ...