Philips Semiconductors
Pre-amplifier for Hard Disk Drive (HDD)
with MR-read/inductive write heads
Preliminary specification
TDA5153
PIN
PAD
SYMBOL
TDA5153AG TDA5153BG TDA5153X
DESCRIPTION
n.c.
31
31
−
not connected
3Wx
32
32
32
inductive write head connection for head H3 (differential x − y)
3Wy
33
33
33
inductive write head connection for head H3 (differential x − y)
3Rx
34
34
34
MR-read head connection for head H3 (differential x − y)
3GND
35
35
35
ground connection for head H3
3Ry
36
36
36
MR-read head connection for head H3 (differential x − y)
n.c.
37
37
−
not connected
4Wx
38
38
37
inductive write head connection for head H4 (differential x − y)
4Wy
39
39
38
inductive write head connection for head H4 (differential x − y)
4Rx
40
40
39
MR-read head connection for head H4 (differential x − y)
4GND
41
41
40
ground connection for head H4
4Ry
42
42
41
MR-read head connection for head H4 (differential x − y)
5Wx
43
−
42
inductive write head connection for head H5 (differential x − y)
5Wy
44
5Rx
45
−
43
inductive write head connection for head H5 (differential x − y)
−
44
MR-read head connection for head H5 (differential x − y);
5GND
46
−
45
ground connection for head H5
5Ry
47
−
46
MR-read head connection for head H5 (differential x − y)
n.c.
−
43
−
not connected
n.c.
−
44
−
not connected
n.c.
−
45
−
not connected
n.c.
−
46
−
not connected
n.c.
−
47
−
not connected
VCC(WD)
48
GND4
−
48
47
supply voltage for the write drivers
−
48
ground connection 4
1997 Jul 02
7