1998 July 30
Philips Semiconductors Objective Specification, Revision 2.2
Pre-Amplifier for Hard Disk Drive with
MR-Read / Inductive Write Heads
TDA5360
28
C
IN
Differential Input
Capacitance
10 pF
R
IN
Differential Input
Resistance
RIN0=0, RIN1=1 18 Ohm
DR Dynamic Range AC input where AVd falls to
90% of its value at@f = 20MHz TBD
mV
PP
CMR Common Mode Rejection I
MR
= 8mA, R
MR
= 66Ω,
10 Mhz < f < 200 Mhz
1 Mhz < f < 10 Mhz
f < 100 KHz, GMR=0,
1mV input signal
20
40
60
dB
PSR Power Supply Rejection
from a signal on V
CC
, V
EE
or any
logic pin, to R
DP
, R
DN
300mV
P-P
on V
CC
or V
EE
,
I
MR
= 8mA, R
MR
=66Ω,
10 Mhz < f < 200 Mhz
1 Mhz < f < 10 Mhz
f < 100 KHz, GMR=0
20
40
60
dB
CS Channel Separation Unselected Channels:
V
IN
= 1mV
PP
1 < f < 200 MHz
50
dB
V
OS
Output Offset Voltage IMR=8mA, RMR=66Ω,
GAIN0=GAIN1=0, GMR=0
100 mV
V
OCM
Common Mode Output Voltage 2.45 V
R
SEO
Single-Ended Output
Resistance
17.5 Ohm
I
O
Output Current AC Coupled Load, RDP to RDN
RVORI = HIGH
RVORI = LOW
TBD
4 mA
MR head potential From any point to GND -500 +500 mV
THD Total Harmonic Distortion First 10 harmonics 0.5 %
I
DISK
MR Head-to-Disc Contact Current Extended contact
Maximum Peak Discharge for
<20ns
C
DISK
=300pF,R
DISK
=10MΩ
100
20
uA
mA
DV
OCM
Common Mode Output Voltage
Change
V
OCM
(READ) - V
OCM
(WRITE)
100 mV
TA Detection Response Time TA occurred to FLT active 20 40 nS
