MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER PIN CONFIGURATION (TOP VIEW) DESCRIPTION HPF1-1 HPF1-2 NF1 OUT1 VCC LRNF B1 B2 LEVEL1 LEVEL2 GND INVLPF 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. FEATURES 24pin SSOP Build in diode clip circuit Corresponding to BTL type driver. Boost level control (3 steps) 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 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 + + BPF LIMITER Low Tone (BTL) + CH2 CH1 + CH1 - HPF + CH2 ( 1 / 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER BLOCK DIAGRAM HPF1-1 1 24 HPF2-1 23 HPF2-2 22 NF2 21 OUT2 20 VEE 19 CIN 18 LROUT 17 VR 16 HPF3-1 + HPF1-2 2 22K NF1 22K 10K 15K 3 + OUT1 4 VCC 5 LRNF 6 VCC VEE 27K Diode Clip B1 7 B2 8 3.3K 3.9K LEVEL 1 9 1.8K LEVEL 2 10 15 HPF3-2 GND 11 14 LPF1 INVLPF 12 13 LPF2 22K 22K ( 2 / 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER PIN DESCRIPTION Pin No. 1 Symble Function HPF1-1 Input pin of highpass filter 1 DC voltage Vcc HPF2-1 25uA 1 0V 24 Equivalent circuit 24 Input pin of highpass filter 2 VEE Vcc 220u 2 HPF1-2 Output pin of highpass filter 1 2 0V VEE Vcc 220u 23 HPF2-2 Output pin of highpass filter 2 23 0V VEE 3 NF1 Inverse Input 1 22 NF2 Inverse Input 2 25uA 0V VEE Vcc 4 OUT1 220u Output 1 0V 21 OUT2 Vcc 22 3 4 21 Output 2 VEE 5 Vcc Positive Power Supply 7V 5 25uA 6 LRNF LR Mixing Amplifire input VCC Vcc 6 0V VEE ( 3 / 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER PIN DESCRIPTION Pin No. Symble 7 B1 8 B2 17 VR Function DC voltage Equivalent circuit Vcc Adjustment of limiter amplitude 17 8 0V 9 LEVEL1 10 LEVEL2 11 GND VEE Limiting output 7 Vcc LEVEL SW1 9 10 VEE LEVEL SW2 Ground pin 0V 11 Vcc 12 INVLPF Output of lowpass filter ( inverse type) 200u 0V 12 VEE Vcc 200u 13 LPF2 Output of lowpass filter 13 0V VEE 14 LPF1 Input of lowpass filter 0V 16 HPF3-1 16 Input of highpass filter 3 VEE Vcc 15 HPF3-2 Vcc 25uA 14 Output of highpass filter 3 200u 18 0V VEE ( 4 / 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER PIN DESCRIPTION Pin No. Symble Function DC voltage Equivalent circuit Vcc 18 LROUT Output of LR Mixing amplifier 200u 18 0V VEE 19 CIN Input of the output amplifier (non inverse ) Vcc 25uA 19 0V VEE 20 VEE Negative Power Supply -7V 5 VEE ( 5 / 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER ABSOLUTE MAXIMUM RATINGS (Ta=25 ,unless otherwise notes) Symble Parameter Condition Ratings VCC +8 -8 Supply voltage VEE (on reference PCB) Pd Power dissipation K Thermal derating Ta ≥ 25°C Unit V 950 V mW 9.5 mW/ °C °C °C Topr Operating temperature -20 to +75 Tstg Storage temparature -40 to +125 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=25°C, VCC=7V, VEE=-7V, f=1kHz, Vin=-30dBV, unless Symbol Parameter otherwise notes) Condition Limits Min. Typ. Max. Unit ICC Curcuit current + no signal - 5 10 mA IEE Curcuit current - no signal -10 -5 - mA Gv Gain -2 0 2 dB 2.5 4 - Vrms Vomax Maximum output voltage THD=1% Vno Output noise voltage IHF-A - 7 18 uVrms GvVR1 VRpin voltage gain1 LEVEL1="L" LEVEL2="L" -2 0 2 dB GvVR2 VRpin voltage gain LEVEL1="H" LEVEL2="L" -8 -5 -2 dB GvVR3 VRpin voltage gain3 LEVEL1="L" LEVEL2="H" -12 -9 -6 dB VL Limiter amplitude VRpin OUT (THD=10%) 0.3 0.6 0.9 Vrms ( 7 / 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER TEST CURCUIT 1 Vi Vi 10u 10u 1 2 IN2< L > IN1< R > 0.068u 33K 0.047u 1 43K 24 0.068u 0.047u + 15K 15K 2 23 22K 0.082u 22K 10K 15K 3 <R> OUT1 2 22 + 22K 10u 4 <L> OUT2 22K 10u 100P 100P 21 10K 10K VCC=+7V VEE=-7V 100u 47K + 5 VCC 20 VEE 100u 47K 6 19 27K Diode Clip 27K 7 3.3K 820K 27K LEVEL1 8 820K 18 + 33u 17 3.9K 4.7K 47u + 0.033u 9 16 270K 1.8K 4.7K 47u VROUT 0.068u + 10 15K 15 LEVEL2 11 14 4700P 8.2K 0.15u 82K 82K 0.1u 10K 22K 12 15K 22K 13 ( 8 / 9 ) MITSUBISHI SOUND PROCESSORS ICs M62456FP DIGTAL SOUND CONTROLLER APPLICATION EXAMPLE IN2< L > IN1< R > 0.068u 33K 0.068u 0.047u 1 24 + 15K 0.047u 15K 2 23 22K 0.082u 22K 10K 15K 3 22K 43K 22 + 100P 22K 100P 4 21 VCC=+7V VEE=-7V + 100u 47K 5 20 VEE VCC 100u 47K 6 19 27K Diode Clip 27K 7 3.3K 820K 27K 8 820K 18 +33u 17 3.9K 4.7K 47u LEVEL1 LEVEL2 4.7K + 47u + 0.068u 0.033u 9 16 270K 1.8K 10 15 11 14 15K 0.15u 8.2K 82K 82K 4700P 12 15K middle & high lange < R > OUT1 10K 13 22K Power amplifire - 0.1u 22K + Power amplifire - + bass lange (BTL) + - < L > middle & high lange OUT2 ( 9 / 9 )