TDA5155X Просмотр технического описания (PDF) - Philips Electronics

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TDA5155X

Pre-amplifier for Hard Disk Drive (HDD) with MR-read/inductive write heads

Philips Electronics 

Philips Semiconductors

Pre-amplifier for Hard Disk Drive (HDD)

with MR-read/inductive write heads

Preliminary specification

TDA5155

SYMBOL PAD

DESCRIPTION

7Wy

55 inductive write head connection for

head H7 (differential x − y)

7Rx

56 MR-read head connection for head

H7 (differential x − y)

7GND

57 ground connection for head H7

7Ry

58 MR-read head connection for head

H7 (differential x − y)

8Wx

8Wy

59 inductive write head connection for

head H8 (differential x − y)

60 inductive write head connection for

head H8 (differential x − y)

8Rx

61 MR-read head connection for head

H8 (differential x − y)

SYMBOL PAD

DESCRIPTION

8GND

62 ground connection for head H8

8Ry

63 MR-read head connection for head

H8 (differential x − y)

9Wx

64 inductive write head connection for

head H9 (differential x − y)

9Wy

65 inductive write head connection for

head H9 (differential x − y)

9Rx

66 MR-read head connection for head

H9 (differential x − y)

9GND

67 ground connection for head H9

9Ry

68 MR-read head connection for head

H9 (differential x − y)

handbook, full pagewidth

VCC(WD)

GND1

HUS

WDIx(v)

WDIy(v)

WDIx(i)

WDIy(i)

R/W

SEN

SDATA

SCLK

GND2

RDx

RDy

GND3

VCC

Rext

GND4

68 67 66 65 64 63 62 61 60 59 58 57 56 55 54

53

1

52

2

51

3

50

4

49

5

48

6

47

7

46

8

45

9

44

TDA5155

10

43

11

42

12

41

13

40

14

39

15

38

16

37

17

36

18

35

19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

6Ry

6GND

6Rx

6Wy

6Wx

5Ry

5GND

5Rx

5Wy

5Wx

4Ry

4GND

4Rx

4Wy

4Wx

3Ry

3GND

3Rx

3Wy

3Wx

0

MGG981

Fig.2 Pad arrangement.

1997 Apr 08

7

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