TA8420 데이터 시트보기 (PDF) - Toshiba

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TA8420

TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC

Toshiba 

TA8420,21AF

Fig.1 Automatic Self Rotation Recovery Circuit Operation

FG output (TA8420AF) and RD output (TA8421AF)

FG output terminal of pin (10) of TA8420AF outputs a rotation speed proportional FG signals with open

collector mode.

This FG signal duty and mode are all the same to output A (pin (2)).

RD output terminal of pin (10) of TA8421AF outputs a state signals (Rotate or Stop).

RD output becomes low (Actually VSAT (RD) level of 0.3 V Typ.) when the Motor in rotation state and generates

toff pulse when the rotation is locked (Refer to Fig.1).

4

2001-06-13

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