CXA3171N
4ch. Read/Write Amplifier for three terminal MIG Head of Hard Disk Drive
For the availability of this product, please contact the sales office.
Description
The CXA3171N is a Read/Write Amplifier for the
special three terminal MIG head of hard disk drive
and designed to handle up to 4 channel heads.
Features
•
Operate on single +5 V power supply
•
Low power consumption
Read : 95 mW
Write : 115 mW + I
W
×
5
•
Designed for special three terminal MIG heads
•
Read amplifier emitter follower output featuring
420 times gain (typ).
•
Differential input capacitance for Read : 6.7 pF (typ)
•
Input noise : 0.46nV /
√
Hz (typ)
•
Differential Head voltage swing : 9 Vp-p (typ)
•
•
•
•
Differential P-ECL write data input
Built-in write unsafe detection circuit.
Built-in Servo write function (2/4 ch).
Built-in IC protection circuit for short of head and
GND.
•
Read data outputs are high impedance in write
mode.
•
Built-in supply voltage monitor circuit prohibits
incorrect write during power on or abnormal
voltage.
•
Self switching damping resistance (R
D
=420
Ω).
Function
Read, Write and Write unsafe detection for HDD,
power supply ON/OFF detection.
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings
(Ta=25 °C)
•
Supply voltage
•
Write current
•
Operating temperature
•
Storage temperature
V
CC
I
W
Topr
Tstg
6
V
23
mAo-p
–20 to +75
°C
–55 to +150
800
15
°C
mW
mA
24 pin SSOP (Plastic)
•
Allowable power dissipation
P
D
•
WUS/SE pin input current
I
SEH
Recommended Operating Conditions
•
Supply voltage
V
CC
5.0 V±10
%
•
Write current
I
W
10 to 22 mAo-p
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
—1—
E97305A7X-TE
SONY [ SONY CORPORATION ]
