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| 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 filter 2 24 VEE Vcc 220u Output pin of highpass filter 1 2 HPF1-2 0V 2 VEE Vcc 220u Output pin of highpass filter 2 23 HPF2-2 0V VEE 23 3 22 4 NF1 Inverse Input 1 0V 25uA 3 Vcc 22 NF2 Inverse Input 2 VEE Vcc 220u OUT1 Output 1 0V 4 21 VEE 21 5 OUT2 Vcc Output 2 Positive Power Supply 7V 5 VCC Vcc 6 25uA 6 LRNF LR Mixing Amplifire input 0V VEE (3/ 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER PIN DESCRIPTION Pin No. 7 8 17 9 10 11 Symble B1 B2 VR LEVEL1 LEVEL2 GND Function Adjustment of limiter amplitude DC voltage Equivalent circuit Vcc 17 8 0V Limiting output LEVEL SW1 LEVEL SW2 Ground pin VEE 7 Vcc 9 10 VEE 0V Vcc 200u 11 12 INVLPF Output of lowpass filter ( inverse type) 0V 12 VEE Vcc 200u 13 LPF2 Output of lowpass filter 0V 13 VEE Input of lowpass filter 25uA Vcc 14 LPF1 HPF3-1 14 0V 16 Input of highpass filter 3 16 VEE Vcc 200u 18 15 HPF3-2 Output of highpass filter 3 0V VEE (4 / 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER PIN DESCRIPTION Pin No. Symble Function DC voltage Equivalent circuit Vcc 200u 18 18 LROUT Output of LR Mixing amplifier 0V VEE 19 CIN Input of the output amplifier (non inverse ) Negative Power Supply 19 25uA Vcc 0V VEE 20 VEE -7V 5 VEE (5/ 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER ABSOLUTE MAXIMUM RATINGS (Ta=25 ,unless otherwise notes) Symble VCC Supply voltage VEE Pd K Topr Tstg Power dissipation Thermal derating Operating temperature Storage temparature (on reference PCB) Parameter Condition Ratings +8 -8 950 9.5 -20 to +75 -40 to +125 Unit V V mW mW/ C C C Ta 25C 1200 1000 950 800 600 475 400 200 0 0 25 50 75 100 125 150 Ambient temperature Ta (C ) *Reference PCB Size : 70mm * 70mm Thickness : 1.6mm Material : Glass ebonite Single side copper place Copper plane dimension Thickness : 1.8um Width : 0.25mm Length : 30mm/lead 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 (6 / 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER ELECTRICAL CHARACTERISTICS (Ta=25C, VCC=7V, VEE=-7V, f=1kHz, Vin=-30dBV, unless otherwise notes) Limits Min. -10 -2 Typ. 5 -5 0 4 7 0 -5 -9 0.6 Max. 10 2 18 2 -2 -6 0.9 Unit mA mA dB Vrms uVrms dB dB dB Vrms Symbol ICC IEE Gv Vomax Vno GvVR1 GvVR2 GvVR3 VL Parameter Curcuit current + Curcuit current Gain Maximum output voltage Output noise voltage VRpin voltage gain1 VRpin voltage gain VRpin voltage gain3 Limiter amplitude Condition no signal no signal THD=1% IHF-A LEVEL1="L" LEVEL2="L" LEVEL1="H" LEVEL2="L" LEVEL1="L" LEVEL2="H" VRpin OUT (THD=10%) 2.5 -2 -8 -12 0.3 (7/ 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER TEST CURCUIT 1 Vi 10u 2 1 Vi 10u 2 IN1< R > 33K 0.068u IN2< L > 0.047u 43K 1 0.068u 15K 24 + 0.047u 15K 2 22K 22K 15K + 22K 10u 100P 23 0.082u 3 10K 22 100P 22K 10u 10K VEE=-7V 4 10K VCC=+7V 100u 47K 47K + 21 5 VCC VEE 20 100u 6 27K 27K 19 Diode Clip 7 820K 27K 3.3K 18 + 33u LEVEL1 820K 8 3.9K 17 0.068u 0.033u VROUT 4.7K 47u + 9 1.8K 16 270K 15K 4.7K 47u LEVEL2 + 10 15 8.2K 82K 0.15u 82K 11 22K 12 15K 14 4700P 0.1u 10K 22K 13 (8/ 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER APPLICATION EXAMPLE IN1< R > IN2< L > 33K 0.068u 0.047u 43K 0.068u 15K 1 + 24 23 22K 22K 15K 10K 0.047u 15K 2 3 22K 100P 0.082u + 22 100P 22K 4 VCC=+7V 100u 47K 47K 21 VEE=-7V + 5 6 VCC VEE 20 100u 27K 19 18 + 33u 27K Diode Clip 7 820K 27K 3.3K 820K 4.7K 47u LEVEL1 LEVEL2 4.7K 47u 8 3.9K + 17 16 1.8K 270K 0.068u 0.033u 9 10 11 12 22K 22K 15K + 15 14 4700P 8.2K 0.15u 82K 82K 0.1u 10K 15K 13 Power amplifire Power amplifire middle & high lange < R > OUT1 + - + + - bass lange (BTL) < L > middle & high lange OUT2 (9/ 9 ) |
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