M62456FP

MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER DESCRIPTION The M62456FP Integrated Circuit is developed for audio-visual equipment. It being used for controld sound in the power amplifier front stage. It has BASSBOOST circuit corresponding to BTL type driver. PIN CONFIGURATION (TOP VIEW) HPF1-1 HPF1-2 NF1 OUT1 VCC LRNF B1 B2 LEVEL1 LEVEL2 GND INVLPF 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 HPF2-1 HPF2-2 NF2 OUT2 VEE CIN LROUT VR HPF3-1 HPF3-2 LPF1 LPF2 FEATURES 24pin SSOP Build in diode clip circuit Corresponding to BTL type driver. Boost level control (3 steps) RECOMMENDED OPERATING CONDITIONS Supply voltage range VCC=+4.5 to 7.5V, VEE=-4.5 to -7.5V Rated supply voltage VCC=+7V, VEE=-7V BLOCK DIAGRAM M62456FP HPF CH1 + + + CH1 Low Tone (BTL) - LIMITER BPF + CH2 HPF + CH2 ( 1 / 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER BLOCK DIAGRAM HPF1-1 1 + 24 HPF2-1 HPF1-2 2 22K 22K 15K + 10K 23 HPF2-2 NF1 3 22 NF2 OUT1 4 21 OUT2 VCC 5 VCC VEE 20 VEE LRNF 6 Diode Clip 27K 19 CIN B1 7 3.3K 18 LROUT B2 8 3.9K 17 VR LEVEL 1 9 1.8K 16 HPF3-1 LEVEL 2 10 15 HPF3-2 GND 11 22K 14 LPF1 INVLPF 12 22K 13 LPF2 ( 2 / 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER PIN DESCRIPTION Pin No. Symble Function Input pin of highpass filter 1 DC voltage Equivalent circuit Vcc 1 25uA 1 24 HPF1-1 0V HPF2-1 Input pin of highpass fi...