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參數(shù)資料
| 型號： | CXA1829N |
| 廠商： | Sony Corporation |
| 英文描述： | 8ch. Read/Write Amplifier for Thin Film Heads of Hard Disk Drive |
| 中文描述： | 8通道。讀/寫放大器薄膜磁頭的硬盤驅(qū)動器 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大小： | 264K |
| 代理商： | CXA1829N |
—1—
E94433A49-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.
Absolute Maximum Ratings
(Ta=25°C)
Supply voltage
Write current
Operating temperature
Operating temperature at Simultaneous Write
V
CC
I
W
Topr –20 to +75
7.0
20
V
mAo-p
°C
Topr –20 to +30
Tstg –55 to +150
°C
°C
Storage temperature
Allowable power dissipation
P
D
480
mW
Recommended Operating Conditions
Supply voltage
V
CC
5V±10%
V
Description
The CXA1829N is a Read/Write amplifier for hard
disk drive thin-film heads and is designed to handle
up to 8-channel heads.
Features
Operates on a single 5V power supply.
Low power consumption.
Read: 115 mW
Write (I
W
= 15 mA): 160 mW + I
W
×
5
Power Save: 7 mW
Write current can be varied through an external
resistor. Built-in stabilizer circuit provides stable
current, preventing voltage and temperature drift.
Drives up to 8 heads.
Supports thin film heads or 2-pin MIG heads.
Emitter follower-type Read amplifier features 290
times gain (typ.).
Write-unsafe detection circuit.
Damping resistance is switched at Write (315
).
Simultaneous Write function.
Supply voltage monitor circuit prohibits error
writing during power surge or abnormal voltage.
IC protection circuit for head-to-ground short circuit
protection.
Differential input capacitance at Read: 14 pF (typ.).
Write data input minimum pulse width: 10 ns
Read data output in Write mode becomes a high
impedance due to the improved Read data offset
when Write is switched to Read.
Non-selected head DC voltage falls to GND level.
Structure
Bipolar silicon monolithic IC
8ch. Read/Write Amplifier for Thin Film Heads of Hard Disk Drive
For the availability of this product, please contact the sales office.
30 pin SSOP (Plastic)
CXA1829N
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