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| MITSUBISHI M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER DESCRIPTION The M56759 is a semiconductor integrated circuit designed for a CD-ROM actuator driver. This device can function 4-channelactuators by 1 chip due to include 4 channel BTL drivers. Three channels of this device, ch1, ch2 and ch3 can be controlled by PWM pulse. Two of them, ch1 and ch2 can also act in the Current Control mode. Furthermore, this device includes two mute circuits and TSD function. PIN CONFIGURATION (TOP VIEW) VCC2 VREF VREF0 IN3IN3+ Vm3 1 2 3 4 5 6 7 8 9 10 GND 11 VM4(+) VM4(-) 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 GND 32 31 30 29 28 27 26 25 24 23 22 VM1(+) VM1(-) OUT1 IN1IN1+ Vm1 SIN1SOUT1 VCC1 OP2OUT MUTE2 MUTE1 SOUT2 SIN2IN2+ IN2OUT2 VM2(-) VM2(+) FEATURES q Low saturation voltage (at bootstrap). q (typical 0.7V at load current 500mA) q Wide supply voltage range. (4.5V to 13.2V) q Low cross-over distortion. q Two naked Operational Amplifiers q Divided Motor power supplies into three parts OUT3 VM3(-) VM3(+) M56759FP/AFP APPLICATION CD-ROM IN4AVm2 IN4BOP1OUT OP1OP1+ OP2+ OP2- Outline 42P2R-D BLOCK DIAGRAM VREF0 3 VREF OP2+ OP22 20 21 OP2 OP1 OUT OP1+ OP1- OUT 22 19 18 17 VCC2 1 15 SOUT1 SIN1- 24 25 Vm2 - A3 + IN1+ IN1OUT1 VM1(+) VM1(-) 27 28 29 31 + + A4 OP2 + S1 -A2 - A4 OP1 A1+ - +A3 - E1 + + + + VCC2 E4 - A1 + 16 14 IN4BIN4AVM4(+) VM4(-) CH1 VREF0 BIAS CH4 30 + + + + 12 13 VM2(-) VM2(+) OUT2 IN2IN2+ 35 8 VM3(-) VM3(+) IN3IN3+ OUT3 CH2 VCC1 Hi:Sleep CH3 34 36 37 38 9 E2 - A3 + 1ch 2ch 3ch 4ch TSD SLEEP A3 E3 + 4 5 7 +A3 - S2 SIN2SOUT2 39 40 26 41 A1 + 6 Vm3 42 10 11 32 33 23 Vm1 MUTE1 MUTE2 GND (4PIN) VCC1 MITSUBISHI M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER PIN DESCRIPTIONS Pin No. 1 2 3 4 5 6 7 8 9 10 to 12 13 14 15 16 17 18 19 20 21 11 Symbol VCC2 VREF VREF0 IN3IN3+ Vm3 OUT3 VM3(-) VM3(+) GND VM4(+) VM4(-) IN4AVm2 IN4BOP1OUT OP1OP1+ OP2+ OP2- Function Bootstrap power supply Reference voltage input Reference voltage output E3 amplifier inverted input E3 amplifier non-inverted input Motor power supply-3 E3 amplifier output CH3 inverted output CH3 non-inverted output GND CH4 non-inverted output CH4 inverted output E4 amplifier low gain input Motor power supply-2 E4 amplifier high gain input OP1 amplifier output OP1 amplifier inverted input OP1 amplifier non-inverted input OP2 amplifier non-inverted input OP2 amplifier inverted input Pin No. 22 23 24 25 26 27 28 29 30 31 32 to 34 35 36 37 38 39 40 41 42 33 Symbol OP2OUT VCC1 SOUT1 SIN1Vm1 IN1+ IN1OUT1 VM1(-) VM1(+) GND VM2(+) VM2(-) OUT2 IN2IN2+ SIN2SOUT2 MUTE1 MUTE2 Function OP2 amplifier output 5V power supply S1 amplifier output S1 amplifier inverted input Motor power supply-1 E1 amplifier non-inverted input E1 amplifier inverted input E1 amplifier output CH1 inverted output CH1 non-inverted output GND CH2 non-inverted output CH2 inverted output E2 amplifier output E2 amplifier inverted input E2 amplifier non-inverted input S2 amplifier inverted input S2 amplifier output CH1, 2 and 3 mute CH4 mute ABSOLUTE MAXIMUM RATINGS (Ta=25C) Symbol VCC2 Vm VCC1 Io Vin1 Vin2 Pt K Tj Topr Tstg Parameter Bootstrap power supply Motor power supply 5V power supply Output Current Maximum input voltage of terminals Power dissipation Thermal derating Junction temperature Operating temperature Storage temperature Conditions pins input voltage 26 , 15 and 6 pins input voltage 23 pin input voltage 1 2 25 ,4,5, , 39 pins 14 , 16 , 18 , 19 , 20 , 21 , 27 , 28 , 37 , 38 , 41 , 42 pins Free Air Free Air Rating 15 15 7.0 700 0 - VCC1 0 - Vm1 1.2 9.6 150 -20 - +70 -40 - +150 Unit V V V mA V W mW/C C C C RECOMMENDED OPERATING CONDITIONS Symbol VCC1 VCC2 Vm1,2,3 Parameter 5V power supply Bootstrap power supply Motor power supply-1, 2, 3 Min. 4.5 Limits Typ. 5.0 Vm+1.0 5.0 Max. 5.5 Unit V V V MITSUBISHI M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER (Ta=25C, VCC1=Vm1=Vm2=Vm3=5V, VCC2=12V, no-load current unless otherwise noted) Conditions Unit mA mA A V V V V V V A V V mV A nA MHz V V mV A nA V V mV mV mV mV mV mV mV dB dB dB dB dB dB ELECTRICAL CHARACTERISTICS Symbol Parameter Limits Min. Typ. Max. 24 36 1 , 26 , 15 , 6 pins supply current (Vref=Vctl=2.5V) ICC1 Supply current-1 23 pins[VCC1] supply current (Vref=Vctl=2.5V) 9.5 15 ICC2 Supply current-2 1 , 23 , 26 , 15 , 6 pins supply current (MUTE1,2=H) 500 ICC3 Sleep Mode Supply current-3 0.8 1.20 VsatCH1 Ch1 Saturation voltage 0.8 1.20 VsatCH2 Ch2 Saturation voltage Top and Bottom saturation voltage. 0.5 0.9 Load current 500mA. At bootstrap. VsatCH3 Ch3 Saturation voltage 0.6 1.0 VsatCH4 Ch4 Saturation voltage Vmute-on Mute-on voltage 2.0 Mute-on 0.8 Vmute-off Mute-off voltage Mute-off 41 and 42 pin input current at 5V input voltage. 170 250 Imute Mute terminals input current VinOP 0.5 OP1 and OP2 amplifier Input voltage range VCC2-1.0 VoutOP OP1 and OP2 amplifier output voltage range Io=2.0mA 0.5 VCC1-0.5 VofOP OP1 and OP2 amplifier input offset voltage Vin=2.5V (at buffer) -10 +10 -1.0 -0.15 0 IinOP inverted input = non-inverted input = 2.5V OP1 and OP2 amplifier input current -100 0 +100 IofOP inverted input = non-inverted input = 2.5V OP1 and OP2 amplifier input current offset 2.3 4 GBOP OP1 and OP2 amplifier GB VinE 0.5 VCC2-2.0 E1,E2 and E3 amplifier Input voltage range 1.0 VoutE VCC1-0.5 E1,E2 and E3 amplifier output voltage range No load -10 VofE +10 Vin=2.5V (at buffer) E1,E2 and E3 amplifier input offset voltage IinE -1.0 -0.15 0 inverted input = non-inverted input = 2.5V E1,E2 and E3 amplifier input current -100 0 +100 IofE inverted input = non-inverted input = 2.5V E1,E2 and E3 amplifier input current offset 1.0 VoutS VCC1-0.5 S1 and S2 amplifier output voltage range No load VinVREF VREF buffer amplifier Input voltage range 1.5 2.5 VCC1-1.2 2 pin input voltage = 2.5V VofVREF VREF buffer amplifier offset voltage -10 +10 VofCH1 VofCH2 VofCH3 VofCH4 VofS1 VofS2 Ch1 output offset voltage Ch2 output offset voltage Ch3 output offset voltage Ch4 output offset voltage S1 output offset voltage S2 output offset voltage when the OUT1 voltage is adjusted at the same VREFO voltage, at VREF=2.5V when the OUT2 voltage is adjusted at the same VREFO voltage, at VREF=2.5V when the OUT3 voltage is adjusted at the same VREFO voltage, at VREF=2.5V when the IN4- voltage is adjusted at the same VREFO voltage, at VREF=2.5V SOUT1-VREFO (at SI N1[-] = VM1[+] ) at VREF=2.5V SOUT2-VREFO (at SI N2[-] = VM2[+] ) at VREF=2.5V {VM1(+)-VM1(-)} (OUT1-VREFO) {VM2(+)-VM2(-)} (OUT2-VREFO) {VM3(+)-VM3(-)} (OUT3-VREFO) -1 * {VM4(+)-VM4(-)} (I N4A[-]-VREFO) {SOUT1 - VREFO} (VM1[+] - SI N1[-] ) {SOUT2 - VREFO} (VM2[+] - SI N2[-] ) at VREF=2.5V at VREF=2.5V at VREF=2.5V at VREF=2.5V at VREF=2.5V at VREF=2.5V -26 -26 -26 -26 -20 -20 13.1 13.1 19.1 14 14 20 +26 +26 +26 +26 +20 +20 14.8 14.8 20.8 4.91 6.85 6.85 GainCH1 Ch1 power amplifier voltage gain GainCH2 Ch2 power amplifier voltage gain GainCH3 Ch3 power amplifier voltage gain GainCH4 Ch4 power amplifier voltage gain GainS1 GainS2 S1 amplifier voltage gain S2 amplifier voltage gain 3.17 4.08 5.11 6.02 5.11 6.02 MITSUBISHI M56759FP/AFP 4-CHANNEL ACTUATOR DRIVER INPUT and OUTPUT CHARACTERISTICS of EACH CHANNELS CH1 amplifier Output of non-inverted Amp. (Gain = X2.5) 2 3 27 2.5V 28 29 VREF VREF0 + OUT1 - + - 31 VM1+ VREFO 0.2V CH1 IN1+ IN1OUT1 + E1 - + - 30 VM1- |
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