Sharp XL-3000V CH1-OUT-A, CH1-OUT-B, CH1-IN-A, CH1-IN-B, Vreg-Out, GND CH2-IN-B, CH2-IN-A, Op-Out

XL-3000V

IC804 VHiMM1469XH-1: Focus/Tracking/Spin/Sled Driver (MM1469XH)

Pin No.	Port Name	Function
1	CH1-OUT-A	Driver CH1 negative output
2	CH1-OUT-B	Driver CH1 positive output
3	CH1-IN-A	Driver CH1 input
4	CH1-IN-B	Driver CH1 input, gain adjustment pin
5	Tr-B	Connect to external transistor base
6	VREG-OUT	Constant voltage output, connects to external transistor collector
7	MUTE	Driver mute control input
8	GND	GND
9	CH2-IN-B	Driver CH2 input, gain adjustment pin
10	CH2-IN-A	Driver CH2 input
11	CH2-OUT-B	Driver CH2 positive output
12	CH2-OUT-A	Driver CH2 negative output
13	Substrate GND	Substrate GND
14*	OP-OUT	Operational amplifier output
15*	OP-IN(–)	Operational amplifier input, negative
16*	OP-IN(+)	Operational amplifier input, positive
17	CH3-OUT-A	Driver CH3 negative output
18	CH3-OUT-B	Driver CH3 positive output
19	CH3-IN-A	Driver CH3 input
20*	CH3-IN-B	Driver CH3 input, gain adjustment pin
21	Vcc	Vcc
22	Vcc	Vcc
23	BIAS-IN	Bias amplifier input
24	CH4-IN-B	Driver CH4 input, gain adjustment pin
25	CH4-IN-A	Driver CH4 input
26	CH4-OUT-B	Driver CH4 positive output
27	CH4-OUT-A	Driver CH4 negative output
28	Substrate GND	Substrate GND

In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside. GND (lowest potential) is connected to the frame of pin center.

T.S.D : Thermal Shut Down

D.BUF : Driver Buffer

SUBGND

CH4-OUT-A

CH4-OUT-B

CH4-IN-A

CH4-IN-B

BIAS-IN

Vcc

Vcc

CH3-IN-B

CH3-IN-A

CH3-OUT-B

CH3-OUT-A

OP-IN(+)

OP-IN(–)

28

27

26

25

24

23

22

21

20

19

18

17

16

15

D.BUF

D.BUF

10kΩ

VCC

10kΩ

D.BUF

D.BUF

VCC

Level shift

50kΩ

Level shift

T.S.D

10kΩ

DRIVER MUTE

50kΩ

Level shift

10kΩ

Level shift

10kΩ

10kΩ

D.BUF D.BUF

D.BUF

D.BUF

1

2

3

4

5

6

7

8

9

10

11

12

13

14

CH1-OUT-A

CH1-OUT-B

CH1-IN-A

CH1-IN-B

Tr-B

VREG-OUT

MUTE

GND

CH2-IN-B

CH2-IN-A

CH2-OUT-B

CH2-OUT-A

SUBGND

OP-OUT

Figure 56 BLOCK DIAGRAM OF IC

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