BA3528AFP datasheet(7/14 Pages) ROHM

Part #	BA3528AFP

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

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Manufacturer	ROHM [Rohm]

Direct Link	http://www.rohm.com

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7 / 14 page

391

Audio ICs

BA3528AFP / BA3529AFP

(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.

FApplication examples

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