m56749fp Mitsumi Electronics, Corp., m56749fp Datasheet
m56749fp
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m56749fp 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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... Max. Typ. 4.5 5.0 5 5.0 Vm+1.0 V M56749FP 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. output 4th channel inverted amp ...
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... Vctl3(+)–Vctl3(-) (Vctl3(-)= {VM4(+)–VM4(-)} (Vctl4L= (Vctl4L–Vref) {VM4(+)–VM4(-)} (Vctl4H= (Vctl4H–Vref) connected 10k ) M56749FP Limits Unit Min. Typ. Max 3.0 6.0 mA 1.35 1.90 V -26 +26 mV -100 ...
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... VM3 VM3- - Vrefm (Vm2/2) Vctl4H ( between a input (Vin4) and out when a voltage is inputted from Vin4. + Vref VM4 (2.1V VM4- - Vrefm (Vm2/2) M56749FP 4 pin). Vctl1L <INPUT> 1V <OUTPUT> VM1- VM1+ 1.5V 1.5V pin). 15 Vctl2L 1V VM2- VM2+ 2.0V 2.0V Vctl3- 1V Vctl3+ VM3- VM3+ 0.8V pin) is connected 10k ...
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... Top side saturation voltage 0.95 1.00 1.05 This device can use this voltage value for actuator drive. 0.30 0.18 0.24 Bottom side saturation voltage 300 400 500 (mA) Load current GAIN PHASE 100 Frequency 100 125 150 M56749FP 180 (dB PHASE -90 -180 300 600 (kHZ) ...
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... OP1 7.5K PA 2.5K 10K 10K 5K 10K 10K 7.5K OP1 TSD Vcc -Por ) and pin must be connected with Motor power supply 17 20 M56749FP 36 Vref Vm2 2.1V 10K 35 OP1 Vrefm 10K GND 18K OP1 33 Vctl4L 2K 7.2K 32 Vctl4H 31 PA VM4- 10K Slide M 12 ...