la6503 Sanyo Semiconductor Corporation, la6503 Datasheet
la6503
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la6503 Summary of contents
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... Ordering number : EN5791 Overview The LA6503 was developed for CAV control CD-ROM drives, and provides spindle motor driver, sled motor driver, and sled motion/position detection circuits. Functions and Features • CAV control spindle motor driver — Three-phase brushless motor driver — I ...
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... VCREF pin input current Voltage gain Rising edge threshold voltage Rising edge threshold voltage difference [Hall Comparator] Input offset voltage V HCIOFFSET Input hysteresis V Output on voltage Output off voltage Output current (sink) LA6503 Symbol Conditions V max CC V max M V max C I max ...
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... Inputs: The “H” state is when the + input of the corresponding phase is 0 more higher than the – input. The “L” state is when the + input of the corresponding phase is 0 more lower than the – input. LA6503 Conditions V Voltage difference between outputs ...
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... Pin Assignment LA6503 No. 5791-4/8 ...
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... POUT Sled motion position detection pulse output P (96 pulses) 33 ROUT Sled motion position detection pulse output R (48 pulses) 34 QOUT Sled motion position detection pulse output Q (48 pulses) Mounted on the specified printed circuit board Independent IC Ambient temperature, Ta – ˚C LA6503 Function No. 5791-5/8 ...
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... Block Diagram Reverse rotation detection Hall bias (3-V regulator) Level shifter To each bias circuit LA6503 Current limiter Forward/ reverse (Spindle motor on/off) Thermal shutdown circuit Reverse braking Start/stop Muting (Sled motor on/off) Power system ground No. 5791-6/8 ...
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... AMP1 and AMP2. • Output offset voltage The output offset voltage is 1/2 V (typical). The V M this voltage. LA6503 resistor, the independent output – + and V outputs are converted to outputs that are centered on ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of March, 1998. Specifications and information herein are subject to change without notice. LA6503 PS No. 5791-8/8 ...