KA8329B Просмотр технического описания (PDF) - Fairchild Semiconductor

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KA8329B

3-PHASE CAPSTAN MOTOR DRIVER

Fairchild Semiconductor 

KA8329B

VCR PRODUCTS

APPLICATION INFORMATION

1. HALL INPUT

The input signal of the hall sensor requires more amplitude than 100mVo-p. and the operating voltage level of the

hall sensor is from 1.2V ~ VCC1-0.8V.

VCC1

More than 1.7V

1

2

3

4

More than 100mVo-p

5

6

More than 1.3V

2. OUTPUT CURRENT DETECTION

Pin 11 is usually connected with RS (Approx. 0.5Ω), and the motor current is converted to a voltage by the RS and

provided to a feedback amplifier. Pin 12 is connected to the circuit with the ground side or RS.

16 VCC2

13 UOUT

14 VOUT

15 WOUT

11

12

RS (0.5Ω)

8

MIC-99D001

January 1999

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