參數(shù)資料
型號(hào)： TDA5155
廠商： NXP Semiconductors N.V.
英文描述： Pre-amplifier for Hard Disk Drive HDD with MR-read/inductive write heads
中文描述： 預(yù)硬盤驅(qū)動(dòng)器硬盤驅(qū)動(dòng)器放大器MR-read/inductive寫磁頭
文件頁數(shù)： 4/24頁
文件大?。?/td> 112K
代理商： TDA5155
1997 Apr 08
4
Philips Semiconductors
Preliminary specification
Pre-amplifier for Hard Disk Drive (HDD)
with MR-read/inductive write heads
TDA5155
5
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
CC
V
CC(WD)
G
v(dif)
supply voltage
supply voltage for write drivers
differential voltage gain
4.5
V
CC
5.0
8.0
5.5
8.8
V
V
from head inputs to RDx, RDy;
R
MR
= 28
; I
MR
= 10 mA
data bit d4 = 0
data bit d4 = 1
upper bandwidth without gain
boost (4 nH lead inductance)
R
MR
= 28
; I
MR
= 10 mA;
T
amb
= 25
°
C; f = 20 MHz
R
MR
= 28
; I
MR
= 10 mA;
T
amb
= 25
°
C; f = 20 MHz
I
MR
= 10 mA
f < 1 MHz
f < 100 MHz
I
MR
= 10 mA
f < 1 MHz
f < 100 MHz
L
h
= 150 nH; R
h
= 10
;
I
WR
= 35 mA; f = 20 MHz
V
CC(WD)
= 8.0 V
V
CC(WD)
= 6.5 V
R
ext
= 10 k
160
226
220
B
3dB
3 dB frequency bandwidth
MHz
F
noise figure
3.0
3.2
dB
V
irn
input referred noise voltage
0.9
1.0
nV/
√
Hz
CMRR
common mode rejection ratio
R
MR
mismatch <5%
45
25
dB
dB
PSRR
power supply rejection ratio
(input referred) R
MR
mismatch <5%
80
50
dB
dB
t
r
, t
f
write current rise/fall time
(10% to 90%)
5
1.8
2.1
20.5
ns
ns
mA
I
MR(PR)
programming MR bias current
range
programming write current range
(base-to-peak)
serial interface clock rate
I
WR(b-p)
R
ext
= 10 k
20
51
mA
f
SCLK
25
MHz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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