TDA5153 Datasheet, PDF (5/28 Pages) NXP Semiconductors – Pre-amplifier for Hard Disk Drive HDD with MR-read/inductive write heads

Philips Semiconductors
Pre-amplifier for Hard Disk Drive (HDD)
with MR-read/inductive write heads
Preliminary specification
TDA5153
6 BLOCK DIAGRAM
handbook, full pagewidth
2
WDlx
3
WDly
IWDlx⁽¹⁾
IWDly⁽¹⁾
VCC
11
TDA5153
WRITE DRIVER
INPUT
FF
VCC(WD)
(5 to 8 V)
48
15⁽²⁾, 20, 26,
6⁽³⁾ _{33, 39, 44}(2)
6^{(3) 14(2), 19, 25,}
32, 38, 43⁽²⁾
nWy
nWx
1
HUS
HEAD UNSAFE
INDICATOR
12
Rext
LOW SUPPLY
VOLTAGE
INDICATOR
6⁽³⁾
WRITE
CURRENT
SOURCE
VOLTAGE
REFERENCE
WRITE DRIVER
AND
READ PREAMP
(6×)⁽³⁾
4
R/W
7
SCLK
5
SEN
6
SDATA
+VCC
SERIAL
INTERFACE
20 kΩ
TAS
DETECTOR
4
5
3
head select
6⁽³⁾
9
RDx
10
RDy
RMR
5
CURRENT
SOURCE
4
4
8, 13
GND n
18⁽²⁾, 23, 29,
6⁽³⁾ _{36, 42, 47}⁽²⁾
17⁽²⁾, 22, 28,
6⁽³⁾ _{35, 41, 46}⁽²⁾
16⁽²⁾, 21, 27,
6⁽³⁾ _{34, 40, 45}(2)
nRy
nGND
nRx
MGK422
Pin numbers correspond to TDA5153AG and TDA5153BG only. See Fig.3 and Chapter 7 for pinning of TDA5153X.
(1) Only available on naked die.
(2) Absent on TDA5153BG (4 channel version).
(3) 4 on TDA5153BG.
Fig.1 Block diagram.
1997 Jul 02
5