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CXA2557R

Sony Corporation
Part Number CXA2557R
Manufacturer Sony Corporation
Description RF Amplifier for CD Player/CD-ROM
Published Mar 27, 2005
Detailed Description CXA2557R RF Amplifier for CD Player/CD-ROM For the availability of this product, please contact the sales office. Descri...
Datasheet PDF File CXA2557R PDF File

CXA2557R
CXA2557R

Overview
CXA2557R RF Amplifier for CD Player/CD-ROM For the availability of this product, please contact the sales office.
Description 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 • Voltage gain adjustable for RF DC, RF AC, FE, TE and AL amplifier • RF DC amplifier offset voltage switchable • FE and TE amplifier bias voltage adjustable • Tracking error amplifier cut-off frequency adjustable • Alignment amplifier • Center error amplifier • AGC (Automatic Gain Control) function • APC (Automatic Power Control) function • VC/VC IN separation • 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 48 pin LQFP (Plastic) Structure Bipolar silicon monolithic IC Absolute Maximum Ratings (Ta = 25°C) • Supply voltage VCC – GND 7 V • Storage temperature Tstg –65 to +150 °C • Power consumption PD 400 mW Operating Conditions (Ta = 25°C) • Supply voltage VCC – GND 3.
5 to 5.
5 • Operating temperature Topr –20 to +75 V °C 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– E97757-PS CXA2557R Block Diagram APC ON DC OFFSET RF SW DC RW SW DC RF DC SUM AMP RF DC AMP RF DC VCA VCA CNT RF AC SUM AMP RF DC OUT 48 RF AC OUT RW SW AC RW SW AC RW SW 1 ...


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