CXA3171N 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA3171N

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

Sony Semiconductor 

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 Ω).

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.

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E97305A7X-TE

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