TDA5155X Просмотр технического описания (PDF) - Philips Electronics
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производитель
TDA5155X
Philips Electronics
TDA5155X Datasheet PDF : 24 Pages
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Philips Semiconductors
Pre-amplifier for Hard Disk Drive (HDD)
with MR-read/inductive write heads
Preliminary specification
TDA5155
5 QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
VCC
VCC(WD)
Gv(dif)
B−3dB
F
Virn
CMRR
PSRR
tr, tf
IMR(PR)
supply voltage
4.5
supply voltage for write drivers
VCC
differential voltage gain
from head inputs to RDx, RDy;
RMR = 28 Ω; IMR = 10 mA
data bit d4 = 0
−
data bit d4 = 1
−
−3 dB frequency bandwidth
upper bandwidth without gain −
boost (4 nH lead inductance)
noise figure
input referred noise voltage
RMR = 28 Ω; IMR = 10 mA;
−
Tamb = 25 °C; f = 20 MHz
RMR = 28 Ω; IMR = 10 mA;
−
Tamb = 25 °C; f = 20 MHz
common mode rejection ratio
IMR = 10 mA
RMR mismatch <5%
f < 1 MHz
−
f < 100 MHz
−
power supply rejection ratio
IMR = 10 mA
(input referred) RMR mismatch <5% f < 1 MHz
−
f < 100 MHz
−
write current rise/fall time
(10% to 90%)
Lh = 150 nH; Rh = 10 Ω;
IWR = 35 mA; f = 20 MHz
VCC(WD) = 8.0 V
−
VCC(WD) = 6.5 V
−
programming MR bias current
Rext = 10 kΩ
5
range
IWR(b-p) programming write current range Rext = 10 kΩ
20
(base-to-peak)
fSCLK
serial interface clock rate
−
TYP.
5.0
8.0
160
226
220
3.0
0.9
45
25
80
50
−
−
−
−
−
MAX.
5.5
8.8
UNIT
V
V
−
−
−
MHz
3.2
dB
1.0
nV/√Hz
−
dB
−
dB
−
dB
−
dB
1.8
ns
2.1
ns
20.5 mA
51
mA
25
MHz
1997 Apr 08
4
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