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Sony Semiconductor Electronic Components Datasheet

CXA3171N Datasheet

4ch. Read/Write Amplifier for three terminal MIG Head of Hard Disk Drive

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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.
24 pin SSOP (Plastic)
Features
Operate on single +5 V power supply
Low power consumption
Read : 95 mW
Write : 115 mW + IW × 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 (RD=420 ).
Absolute Maximum Ratings (Ta=25 °C)
Supply voltage
VCC 6 V
Write current
IW 23 mAo-p
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –55 to +150 °C
Allowable power dissipation
PD 800 mW
WUS/SE pin input current
ISEH 15 mA
Recommended Operating Conditions
Supply voltage
VCC 5.0 V±10 %
Write current
IW 10 to 22 mAo-p
Function
Read, Write and Write unsafe detection for HDD,
power supply ON/OFF detection.
Structure
Bipolar silicon monolithic IC
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 Semiconductor Electronic Components Datasheet

CXA3171N Datasheet

4ch. Read/Write Amplifier for three terminal MIG Head of Hard Disk Drive

No Preview Available !

CXA3171N
H0X 1
H0C 2
H0Y 3
H1X 4
H1C 5
H1Y 6
H2X 7
H2C 8
H2Y 9
H3X 10
H3C 11
H3Y 12
AMP
DRIVER
AMP
DRIVER
AMP
DRIVER
AMP
DRIVER
MODE
CONTROL
WRITE
CURRENT
SOURCE
24 GND
23 R/W
22 WC
21 RDY
AMP
20 RDX
HEAD
SELECT
19 HS0
18 HS1
17 NC
16 WDX
IC
PROTECTOR
15 WDY
WRITE
UNSAFE
DETECTOR
POWER
ON/OFF
DETECTOR
14 WUS/SE
13 VCC
—2—


Part Number CXA3171N
Description 4ch. Read/Write Amplifier for three terminal MIG Head of Hard Disk Drive
Maker Sony Corporation
Total Page 18 Pages
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Sony Corporation





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