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CXA3171N Fiches technique(PDF) 1 Page - Sony Corporation

No de pièce CXA3171N
Description  4ch. Read/Write Amplifier for three terminal MIG Head of Hard Disk Drive
Download  18 Pages
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Fabricant  SONY [Sony Corporation]
Site Internet  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXA3171N Fiches technique(HTML) 1 Page - Sony Corporation

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E97305A7X-TE
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.
4ch. Read/Write Amplifier for three terminal MIG Head of Hard Disk Drive
24 pin SSOP (Plastic)
CXA3171N
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 + 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
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
VCC
6V
• 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
For the availability of this product, please contact the sales office.


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