CXA3010

更新时间： 2024-11-26 22:12:19

品牌	Logo	应用领域
索尼 - SONY		过滤器放大器数据分配系统
页数	文件大小	规格书
26页	310K
描述
Read/Write Amplifier (with Built-in Filters) for FDDs

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CXA3010 数据手册

CXA3010Q

Read/Write Amplifier (with Built-in Filters) for FDDs

For the availability of this product, please contact the sales office.

Description

32 pin QFP (Plastic)

The CXA3010Q is a monolithic IC designed for use

with three-mode Floppy Disk Drives, and contains a

read circuit (with a four-mode filter system), a write

circuit, an erase circuit, and a supply voltage

detection circuit, all on a single chip.

Features

• Single 5V power supply

• Filter system can be switched among four modes:

Applications

1M, 1.6M/2M, which are each inner track/outer

Three-mode FDDs

track

• Filter characteristics can be set to Chebyshev

Structure

(1dB ripple) for 1.6M, 2M/inner track only, and to

Bipolar silicon monolithic IC

Butterworth for the other modes

• A custom selection can be made between

Absolute Maximum Ratings (Ta = 25°C)

Chebyshev (1dB ripple) and Butterworth for the

• Supply voltage

• Operating temperature Topr –20 to +75

• Storage temperature Tstg –65 to +150

• Allowable power dissipation

V^CC

7.0

°C

filter characteristics for 1.6M, 2M/inner track only

• Permits customization of the fc ratio

• Low preamplifier input conversion noise voltage of

√

2.0nV/ Hz (typ.) keeps read data output jitter to a

500

minimum

• Digital signal input pin Input voltage

–0.5 to VCC + 0.3 V

• Preamplifier voltage gain can be switched between

39dB and 45dB

• Power ON output voltage applied VCC + 0.3

• In inner track mode (OTF = Low), the voltage gain

is boosted by 3dB, making it possible to minimize

peak shift in inner tracks.

• Erase output voltage applied

• Write head voltage applied

VCC + 0.3

• Write current

mAo-p

• Time domain filter can be switched between two

modes: 1M, 1.6M/2M

• Erase current

• Power on output current

• Write current can be switched among three

modes: 1M/1.6M/2M. The inner/outer track current

ratio is fixed for each mode, but can be

customized.

Operating Conditions

Supply voltage

4.4 to 6.0

• Erase current can be set by an external resistor,

and remains constant. In addition, the current rise

time Tr and fall time Tf are determined according

to the head inductance and current. (Refer to

page 20.)

• Damping resistor can be built in. Resistance can

be customized between 2kΩ and 15kΩ in 1kΩ

steps. A damping resistor can not be connected to

this IC, however.

• Supply voltage detection circuit

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 –

E94Y32A52-ST

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与CXA3010相关器件

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CXA3010Q	SONY	获取价格	Read/Write Amplifier (with Built-in Filters) for FDDs
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CXA3026AQ	SONY	获取价格	8-bit 140MSPS Flash A/D Converter
CXA3026Q	SONY	获取价格	8-bit 120MSPS Flash A/D Converter
CXA3031Q	SONY	获取价格	Read/Write Amplifier (with Built-in Filters) for FDDs
CXA3038N	SONY	获取价格	IQ Detection IC for Digital Satellite Broadcast Tuner

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