AT5683

Preliminary Product information

4-channel BTL Motor Driver for CD/CD-ROM

10F-1, 55, Tong-Kuan Road, Hsinchu, Taiwan, R.O.C.

Tel: 886-3-575-3058

http://www.aimtron.com.tw

Fax: 886-3-575-3015

04/09/24

2

Pin Descriptions

Pin No.

Pin name

Function

1

BIAS IN

Input for Bias-amplifier

2

OPIN1(+)

Op-amp positive input for CH1

3

OPIN1(-)

Op-amp negative input for CH1

4

OUTPUT1

Op-amp output for CH1

5

OPIN2(+)

Op-amp positive input for CH2

6

OPIN2(-)

Op-amp negative input for CH2

7

OUTPUT2

Op-amp output for CH2

8

GND

Substrate ground

9

STBY1

Input for CH1/2/3 STBY control

10

PowVcc1

Vcc for CH1/2/4 power block

11

VO2(-)

Negative output of CH2

12

VO2(+)

Positive output of CH2

13

VO1(-)

Negative output of CH1

14

VO1(+)

Positive output of CH1

15

VO4(+)

Positive output of CH4

16

VO4(-)

Negative output of CH4

17

VO3(+)

Positive output of CH3

18

VO3(-)

Negative output of CH3

19

PowVcc2

Vcc for CH3 power block

20

STBY2

Input for CH4 STBY control

21

GND

Substrate ground

22

OUTPUT3

Op-amp output for CH3

23

OPIN3(-)

Op-amp positive input for CH3

24

OPIN3(+)

Op-amp negative input for CH3

25

OUTPUT4

Op-amp output for CH4

26

OPIN4(-)

Op-amp positive input for CH4

27

OPIN4(+)

Op-amp negative input for CH4

28

PreVcc

Vcc for pre block

Notes: Symbol of ＋ and － ( output of drivers ) means polarity to input pin.

( For example if voltage of pin4 high, pin14 is high. )

PinOut