KA8329B 查看數據表（PDF） - Fairchild Semiconductor

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KA8329B

3-PHASE CAPSTAN MOTOR DRIVER

Fairchild Semiconductor 

VCR PRODUCTS

7. FORWARD & REVERSE ROTATION CONTROL

KA8329B

32

1.25V

Forward mode: Pin 32 ≥ 1.8V

Reverse mode: Pin 32 ≤ 0.8V

8. FG AMP

These amplifiers are the inversion type. One amplifier is built in both the reference voltage (Approx. 2.5V) and the

gain setting resistors. The voltage gain is approx. 31 times.

56k

56k

1.8k

1.8k

28

−

27

−

29

30

2.5V

+

22

+

9. PHASE STABILIZATION

CI

18

16

Be inserted a capacitor between pin 16 and pin 18. This capacitor, approx. 0.1µF is for the phase stabilization of

the circuit.

MIC-99D001

11

January 1999

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