CXD2507AQ Просмотр технического описания (PDF) - Sony Semiconductor

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CXD2507AQ

CD Digital Signal Processor

Sony Semiconductor 

CD Digital Signal Processor

CXD2507AQ

Description

The CXD2507AQ is a digital signal processor for

CD players and is equipped with the following

functions.

64 pin QFP (Plastic)

-L01

-L121

Features

• Digital PLL

• EFM frame sync protection

• SEC strategy-based error correction

• Subcode demodulation, CRC checking

• Digital spindle servo

• Servo auto-sequencer

• Asymmetry compensation circuit

• Digital audio interface output

• 16K RAM

• Double-speed playback capability

• New microcomputer interface circuit

Absolute Maximum Ratings

• Supply voltage

VDD

–0.3 to +7.0

V

• Supply voltage variation VSS – AVSS

–0.3 to +0.3

V

VDD – AVDD

–0.3 to +0.3

V

• Input voltage

VI

–0.3 to +7.0

V

VIN

VSS – 0.3 to VDD + 0.3 V

• Output voltage

VO

–0.3 to +7.0

V

• Storage temperature Tstg

–40 to +125

°C

Recommended Operating Conditions

• Supply voltage

VDD

• Operating temperature Topr

4.5 to 5.5V (double-speed playback)

3.5 to 5.5V (normal-speed playback)

3.0 to 5.5V (low power consumption, special playback mode) ∗

–20 (min.)

75 (max.)

°C

∗ When the internal operation of the LSI is set to double-speed mode and the crystal oscillation

frequency is halved, normal-speed playback results.

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–

E94601A11

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