tda5155 NXP Semiconductors, tda5155 Datasheet - Page 4

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

Philips Semiconductors
5
1997 Apr 08
V
V
G
B
F
V
CMRR
PSRR
t
I
I
f
SYMBOL
r
MR(PR)
WR(b-p)
SCLK
, t
CC
CC(WD)
irn
Pre-amplifier for Hard Disk Drive (HDD)
with MR-read/inductive write heads
v(dif)
3dB
f
QUICK REFERENCE DATA
supply voltage
supply voltage for write drivers
differential voltage gain
noise figure
input referred noise voltage
common mode rejection ratio
R
power supply rejection ratio
(input referred) R
write current rise/fall time
(10% to 90%)
programming MR bias current
range
programming write current range
(base-to-peak)
serial interface clock rate
3 dB frequency bandwidth
MR
mismatch <5%
PARAMETER
MR
mismatch <5%
from head inputs to RDx, RDy;
R
upper bandwidth without gain
boost (4 nH lead inductance)
R
T
R
T
I
I
L
I
R
R
MR
MR
WR
h
amb
amb
MR
MR
MR
ext
ext
data bit d4 = 0
data bit d4 = 1
f < 1 MHz
f < 100 MHz
f < 1 MHz
f < 100 MHz
V
V
= 150 nH; R
CC(WD)
CC(WD)
= 10 mA
= 10 mA
= 35 mA; f = 20 MHz
= 10 k
= 10 k
= 28 ; I
= 28 ; I
= 28 ; I
= 25 C; f = 20 MHz
= 25 C; f = 20 MHz
CONDITIONS
4
= 8.0 V
= 6.5 V
MR
MR
MR
h
= 10
= 10 mA
= 10 mA;
= 10 mA;
4.5
V
5
20
MIN.
CC
5.0
8.0
160
226
220
3.0
0.9
45
25
80
50
TYP.
Preliminary specification
5.5
8.8
3.2
1.0
1.8
2.1
20.5
51
25
TDA5155
MAX.
V
V
MHz
dB
nV/ Hz
dB
dB
dB
dB
ns
ns
mA
mA
MHz
UNIT