BA3528 Просмотр технического описания (PDF) - ROHM Semiconductor

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BA3528

Pre / power amplifier and motor governor for 3V headphone stereos

ROHM Semiconductor 

Audio ICs

(5) Motor controller circuit

The motor controller circuit uses a resistance bridge to

maintain uniform motor speed regardless of changes in

supply voltage, ambient temperature and load torque.

Speed control is performed by a comparator and a stable

on-chip reference voltage (VREG = 1.23V). See Fig. 6.

BA3528AFP / BA3529AFP

FApplication examples

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