AN8481SB Panasonic, AN8481SB Datasheet
AN8481SB
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AN8481SB Summary of contents
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... ICs for Compact Disc/CD-ROM Player AN8481SB Spindle motor driver IC for optical disk ■ Overview The AN8481SB is a high performance IC suited for driving a spindle motor of an optical disk such as CD-ROM, PD, DVD, CD-R, CD-RW, etc. ■ Features • Adopting the 3-phase full-wave soft switch system • ...
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... AN8481SB ■ Block Diagram 21 REF Lower 19 V side REG V CE detection Upper side distribution 18 PCS Direction changeover 17 SWB Amp. 16 SWG Triangular wave 14 GND ■ Pin Descriptions Pin No. Symbol Description 1 H1+ Hall element-1 positive input pin 2 H1− Hall element-1 negative input pin ...
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... CC2 Voltage with which a circuit operates START = 5 V and L → Voltage with which a circuit becomes STOP = 5 V and H → L off SDD00007CEB AN8481SB Description Drive output 3 Drive output 2 Drive output 1 Power GND pin Unit 7 ...
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... AN8481SB ■ Electrical Characteristics at T Parameter Hall bias Hall bias voltage Hall amplifier Input bias current In-phase input voltage range Minimum input level Torque command In-phase input voltage range Offset voltage Dead zone Input current Input/output gain Output High-level output saturation voltage ...
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... Independent IC without a heat sink 600 = 120°C/W R th( j- 042 mW (25° 400 200 100 Ambient temperature T (° SDD00007CEB AN8481SB 3 ) 125 150 ECR ...
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... AN8481SB ■ Application Circuit Example µF 0 µF 100 µ REF Lower 19 side REG detection Upper side distribution µ PCS SWB 17 Amp. 200 Ω 1 kΩ SWG 16 Triangular wave 14 GND 6 = 0.5 Ω Amp. Amp. Lower side distribution Direction changeover ...
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Request for your special attention and precautions in using the technical information and (1) If any of the products or technical information described in this book exported or provided to non-residents, the laws and regulations of the ...