m56749 Mitsumi Electronics, Corp., m56749 Datasheet
m56749
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m56749 Summary of contents
Page 1
... DESCRIPTION The M56749FP is a semiconductor integrated circuit designed for a CD-ROM actuator driver. This device can function 4 channel actuators by 1 chip due to include 4 channel BTL drivers. Also, this device include a mute circuit, a Vcc check circuit and TSD function. FEATURES Lower saturation voltage. ...
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... Limits Min. Typ. Max. 4.5 5.0 5.5 5.0 Vm+1.0 MITSUBISHI <CONTROL / DRIVER IC> M56749FP Symbol Function Vcc check signal output Bootstrap power supply-2 Motor power supply-2 3th channel non-inverted amp. input 3th channel inverted amp. input 3th channel inverted amp. output 3th channel non-inverted amp. output GND 4th channel non-inverted amp ...
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... Vctl3(+)–Vctl3(-) (Vctl3(-)= {VM4(+)–VM4(-)} (Vctl4L= (Vctl4L–Vref) {VM4(+)–VM4(-)} (Vctl4H= (Vctl4H–Vref) connected 10k ) M56749FP Limits Min. Typ. Max 3.0 6.0 1.35 1.90 -26 +26 -100 +100 4.10 4.25 4.40 80 130 180 0 ...
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... VM3- - Vrefm (Vm2/2) + Vref VM4 (2.1V VM4- - Vrefm (Vm2/2) M56749FP The voltage between the input and output when a voltage is inputted from Vctl( 4 Vctl1L <INPUT> 1V <OUTPUT> VM1- VM1+ 1.5V 1.5V The voltage between the input and output when a voltage is inputted from Vctl2( 15 Vctl2L 1V VM2- VM2+ 2 ...
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... This device can use this voltage value for actuator drive. 0.18 0.24 0.12 Bottom side saturation voltage 200 300 400 Load current GAIN PHASE Frequency Without heatsink 75 100 125 150 MITSUBISHI <CONTROL / DRIVER IC> M56749FP 4 CHANNEL ACTUATOR MOTOR DRIVER 1.05 0.30 500 (mA) 180 (dB PHASE -90 -180 60 100 300 600 (kHZ) ...
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... PA + 10K 5K 10K 10K 7.5K 7.5K OP1 TSD (Unit of resistance: ) and pin must be connected with Motor power supply 17 20 MITSUBISHI <CONTROL / DRIVER IC> M56749FP 4 CHANNEL ACTUATOR MOTOR DRIVER 36 Vref OP1 Vm2 10K 35 OP1 Vrefm 10K GND 18K OP1 33 Vctl4L 2K 7.2K 32 ...