TDA5360 Datasheet, PDF (6/34 Pages) NXP Semiconductors – Pre-Amplifier for Hard Disk Drive with MR-Read / Inductive Write Heads

Philips Semiconductors
Pre-Amplifier for Hard Disk Drive with
MR-Read / Inductive Write Heads
6 BLOCK DIAGRAM
Objective Specification, Revision 2.2
TDA5360
hybrid
sense
TA handling
Rin:2bits
RFE
hybrid
sense
TA handling
Rin:2bits
RFE
voltage
driven
voltage
driven
Av
3bits 1.5 bit
Read Back End
Av
+ ^On/Off
d/dt
4 bits
RDp
V/I
out
RDn
MR BIAS
CURRENT
/ POWER
SETTING
5 bits
THERMAL
ASPERITY
DETECTOR
Rmr measure
temperatue
DIGITIZER
FAULT
DETECTION
CODING
SERIAL
INTERFACE
FLT
SDATA
SCLK
SEN
WRITE
CURRENT
5 bits
WDI
MUX
boost:2bits
BANDGAP
Rext
WDI
V/I
Interface
1 bit
WDp
WDn
1998 July 30
6