Datasheet > CXA2557R

CXA2557R

更新时间： 2024-02-13 07:08:26

品牌	Logo	应用领域
索尼 - SONY		射频放大器
页数	文件大小	规格书
35页	542K
描述
RF Amplifier for CD Player/CD-ROM

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CXA2557R 数据手册

CXA2557R

RF Amplifier for CD Player/CD-ROM

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

Description

48 pin LQFP (Plastic)

The CXA2557R is an RF signal processing IC for

CD players, CD-ROM and CD-RW (playback).

Features

• Wide-band RF AC amplifier

• Supports CD-RW playback (RF DC, RF AC, FE,

TE and AL amplifiers)

• 5-mode RF AC equalizer (active filter type)

• RF AC equalizer boost amount and cut-off frequency

adjustable

Structure

Bipolar silicon monolithic IC

• Voltage gain adjustable for RF DC, RF AC, FE, TE

and AL amplifier

Absolute Maximum Ratings (Ta = 25°C)

• RF DC amplifier offset voltage switchable

• FE and TE amplifier bias voltage adjustable

• Tracking error amplifier cut-off frequency adjustable

• Alignment amplifier

• Supply voltage

• Storage temperature Tstg

• Power consumption P^D

V^CC– GND

–65 to +150 °C

400

• Center error amplifier

Operating Conditions (Ta = 25°C)

• AGC (Automatic Gain Control) function

• APC (Automatic Power Control) function

• VC/VC IN separation

• Supply voltage

VCC – GND 3.5 to 5.5

• Operating temperature Topr

–20 to +75 °C

• Supports laser coupler/3 spots

Functions

• RF DC summing amplifier

• RF AC summing amplifier

• RF AC equalizer

• Focus error (FE) amplifier

• Tracking error (TE) amplifier

• Alignment (AL) amplifier

• Center error (CE) amplifier

• Mirror circuit

• AGC circuit

• VREF output

Applications

• CD players

• CD-ROM drives

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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