cxa1829n Sony Electronics, cxa1829n Datasheet - Page 5

• Manufacturer Part Number: cxa1829n
• Description: 8ch. Read/write Amplifier For Thin Film Heads Of Hard Disk Drive
• Manufacturer: Sony Electronics

Electrical Characteristics (unless otherwise specified, V
Current consumption for
Read
Current consumption for
Write
Current consumption for
Servo
Current consumption for
Power save
Digital low input voltage
Digital high input voltage
Digital low input current
Digital high input current
Write-unsafe output
saturation voltage
Write-unsafe output leak
current
Power ON/OFF detector
threshold voltage
Write current setting
range
Write current accuracy
Read amplifier differential
voltage gain
Bandwidth (-3 dB)
Input conversion noise
voltage
Common mode rejection
ratio
Item
Symbol
CMRR
V
I
V
V
WUS
B
I
V
WUS
A
E
I
I
I
SE
I
I
I
W
W
TH
R
P
H
I
IH
L
W
IL
N
V
w
R/W="H"
R/W="L"
WSER="L"
PS="H"
High applied voltage: 5 V
Low applied voltage: 0 V
Output current: 1 mA
Current flowing between head pins.
When Write current is I
I
Refer to Fig. 12 (Characteristics) for K.
Input voltage SG1:1mVp-p,300kHz
Load resistance (RDX, RDY): 1k
Frequency at which Av drops by 3dB
Head impedance: 0
In-phase input voltage SG2:100mVp-p,
10 MHz
W
=
___
Rw
K
(Rw: ),
Measurement conditions
—5—
W
CC
[mA], then:
= 5 V, Ta = 25°C, Write current I
Measure-
ment
point
V
D
G
H
C
C
E
E
E
E
B
F
A
A
A
K
K
K
K
J
CC
I
Refer to Measurement Circuit 1.
+4 I
Min.
245
+I
0.8
2.0
-70
3.6
17
24
71
60
50
-8
5
W
W
+4 I
Typ.
0.55
290
+I
1.4
3.9
23
32
91
77
W
W
W
= 15 mA)
+4 I
Max.
+I
111
335
2.0
0.8
0.5
4.3
0.7
33
45
70
10
15
8
W
W
CXA1829N
mAo-p
MHz
Unit
mA
V/V
µA
µA
nV
dB
%
V
V
V
Hz