tda5155 NXP Semiconductors, tda5155 Datasheet - Page 16

• Manufacturer Part Number: tda5155
• Description: Pre-amplifier For Hard Disk Drive Hdd With Mr-read/inductive Write Heads
• Manufacturer: NXP Semiconductors

Philips Semiconductors
12 RECOMMENDED OPERATION CONDITIONS
1997 Apr 08
V
V
V
V
V
V
V
I
I
I
T
T
R
L
R
V
V
L
R
C
R
i(dif)(p-p)
IH(dif)
IL(dif)
l(tot)
wh
SYMBOL
amb
j
(R
CC
CC(WD)
IH
IL
i(dif)(p-p)
IH(PECL)
IL(PECL)
MR
sig(dif)(p-p)
Pre-amplifier for Hard Disk Drive (HDD)
with MR-read/inductive write heads
MR
l(tot)
wh
wh
ext
MR
)
supply voltage
write driver supply voltage
HIGH level input voltage (CMOS)
LOW level input voltage (CMOS)
differential input voltage
(peak-to-peak value)
HIGH level PECL input voltage
LOW level PECL input voltage
differential input current
(peak-to-peak value)
HIGH level differential input current
LOW level differential input current
ambient temperature
junction temperature
MR element resistance
R
total lead inductance to the head
total lead resistance to the head
voltage on top of MR elements
differential MR head input voltage
(peak-to-peak value)
write head inductance
write head resistance
write head capacitance
external reference resistor
MR
mismatch
PARAMETER
note 1
note 2
note 3
note 3
note 3
note 4
note 4
note 4
reading
writing (V
note 5
in each lead; note 6
in each lead; note 6
note 7
including lead; note 6
including lead; note 6
including lead; note 6
I
ref
=
16
CONDITIONS
---------- -
R
V
ext
ref
CC(WD)
= 8 V)
4.5
V
3.5
0
0.4
1.5
0.4
0
15
0.4
1.4
CC
MIN.
0.7
2.85
2.15
0.8
28
25
1.5
1
0.15
10
tbf
10
1.2
0.4
TYP
Preliminary specification
5.5
8.8
V
0.8
1.5
V
1.0
70
110
130
34
4
0.5
2
MAX.
0.1
CC
CC
TDA5155
V
V
V
V
V
V
V
mA
mA
mA
nH
V
mV
pF
k
C
C
C
H
UNIT