CXA1720Q datasheet(13/26 Pages) SONY

Part #	CXA1720Q

Description	Read/Write Amplifier (with Built-in Filters) for FDDs

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Manufacturer	SONY [Sony Corporation]

Direct Link	http://www.sony.co.jp

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13 / 26 page

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CXA1720Q

Electrical Characteristics Measurement Circuit 1

Note) Unless otherwise specified, switches are assumed to be set to “a”.

Electrical Characteristics Measurement Circuit 2

Note) Unless otherwise specified, switches are assumed to be set to “a”.

1

2

3

4

5

6

7

8

22

21

20

19

18

17

23

24

16

15

14

13

12

9

10

11

25

26

27

28

29

30

31

32

FILTER

OUT B

COMP

IN B

COMP

IN A

A.GND

MMVA

FILTER

SET

Vcc

W/C 1

SET

W/C 1

COMP

W/C 2

SET

W/C 2

COMP

D.GND

ERASE

OUT 0

ERASE

OUT 1

CXA1720Q

C

B

A

D

G

F

E

0.1µ

a

b

SW4

1/2V 1

–1/2V 1

SW5

a

b

a

b

4.3k

12k

4.3k

12k

SW1

SW2

a

b

a

b

SW3

a

b

3.2k

27k

5V

3300p

POWER

SAVE

HIGH

DENSITY

G

4.3k

12k

4.3k

12k

3.2k

27k

5V

0.1µ

L

K

J

I

H

2.2k

SW1 a

b

2.2k

a

b

a

b a

b

1

2

3

4

5

6

7

8

22

21

20

19

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17

23

24

16

15

14

13

12

9

10

11

25

26

27

28

29

30

31

32

FILTER

OUT B

COMP

IN B

COMP

IN A

A.GND

MMVA

FILTER

SET

Vcc

W/C 1

SET

W/C 1

COMP

W/C 2

SET

W/C 2

COMP

D.GND

ERASE

OUT 0

ERASE

OUT 1

CXA1720Q

L'

K'

J'

I'

P

A

B

C

D

E

F

M

N

100k

30mA

a

b

SW2

100k

30mA

a

b

M'

N'

POWER

SAVE

HIGH

DENSITY

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CXA1720Q Datasheet(PDF) 13 Page - Sony Corporation

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