KA8329B 데이터 시트보기 (PDF) - Samsung

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KA8329B

3-PHASE CAPSTAN MOTOR DRIVER

Samsung 

KA8329B

6. TORQUE RIPPLE CONTROL

VCC1

3

2

Rs

31

1

VCR PRODUCTS

The motor torque ripple is controlled by Pin 31 voltege

as follows.

1 : GND

2 : Normal Mode

3 : Control Mode

7. FORWARD & REVERSE ROTATION CONTROL

32

1.25V

Forward mode : Pin 32 ÿ1.8V

Reverse mode : Pin 32 þ0.8V

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 ia approx. 31 times.

56K

56K

1.8K

1.8K

28

Ì

2.5V

Ê

27

29

22

Ì

Ê

30

9. PHASE STABILIZATION

CI

18

16

 Be inserted a capacitor between Pin 16 and Pin 18. This capacitor, approx.

0.1 is for the phase stabilization of the circuit.

PM-97-D012

April 1997.

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