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參數(shù)資料
| 型號(hào)： | CXA3171N |
| 廠商： | Sony Corporation |
| 英文描述： | 4ch. Read/Write Amplifier For Three Terminal MIG Head of Hard Disk Drive(4通道、硬盤驅(qū)動(dòng)器三端MIG磁頭讀/寫放大器) |
| 中文描述： | 4通道。讀/寫放大器三端米格團(tuán)長(zhǎng)硬盤驅(qū)動(dòng)器（4通道，硬盤驅(qū)動(dòng)器三端米格磁頭讀/寫放大器） |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大小： | 167K |
| 代理商： | CXA3171N |
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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 + 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
).
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
Allowable power dissipation
V
CC
I
W
Topr
Tstg
6
V
23
mAo-p
–20 to +75
–55 to +150
°C
°C
P
D
800
mW
WUS/SE pin input current
I
SEH
15
mA
Recommended Operating Conditions
Supply voltage
Write current
V
CC
I
W
5.0 V±10
10 to 22 mAo-p
%
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