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CXD2595Q, CXD2598Q, CXD2599Q492

Table of contents:
Info of CXD2595Q
Info of CXD2598Q
Info of CXD2599Q492

CXD2595Q, CXD2598Q, CXD2599Q492 Selling Leads, Datasheet

MFG:SONY Package Cooled:08+ D/C:1000

CXD2595Q, CXD2598Q, CXD2599Q492 Datasheet download

Five Points

Part Number: CXD2595Q

MFG: SONY

Package Cooled: 08+

D/C: 1000

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CXD2598Q General Description

The CXD2598Q is a digital signal processor LSI for CD players. This LSI incorporates a digital servo, digital filter, 1-bit DAC and analog low-pass filter on a single chip.

CXD2598Q Maximum Ratings

Supply voltage	V_DD	0.3 to +7.0	V
Input voltage	V_I	0.3 to +7.0	V
	(V_SS 0.3V to V_DD +0.3V)
Output voltage	V_O	0.3 to +7.0	V
Storage temperature	T_stg	40 to +125	°C
Supply voltage difference	V_SS AV_SS 0.3 to +0.3		V
	V_DD AV_DD 0.3 to +0.3		V

CXD2598Q Features

• All digital signal processing during playback is performed with a single chip
• Highly integrated mounting possible due to a builtin RAM
   Digital Signal Processor (DSP) Block
• Playback mode supporting CAV (Constant Angular Velocity)
• Frame jitter free
• 0.5´ to 4´ continuous playback possible
• Allows relative rotational velocity readout
• Wide capture range playback mode
• Spindle rotational velocity following method
• Supports normal-speed to 4´ speed playback
• Supports variable pitch playback
• The bit clock, which strobes the EFM signal, is generated by the digital PLL.
• EFM data demodulation
• Enhanced EFM frame sync signal protection
• Refined super strategy-based powerful error correction
   C1: double correction, C2: quadruple correction
   Supported during 4´ speed playback
• Noise reduction during track jumps
• Auto zero-cross mute
• Subcode demodulation and Sub-Q data error detection
• Digital spindle servo
• 16-bit traverse counter
• Asymmetry correction circuit
• CPU interface on serial bus
• Error correction monitor signal, etc. output from a
new CPU interface
• Servo auto sequencer
• Fine search performs track jumps with high accuracy
• Digital audio interface outputs
• Digital level meter, peak meter
• Bilingual compatible
• VCO control mode
• CD TEXT data demodulation
Digital Servo (DSSP) Block
• Microcomputer software-based flexible servo control
• Offset cancel function for servo error signal
• Auto gain control function for servo loop
• E:F balance, focus bias adjustment functions
• Surf jump function supporting micro two-axis
• Tracking filter: 6 stages Focus filter: 5 stages
Digital Filter, DAC and Analog Low-Pass Filter Blocks
• DBB (digital bass boost) function
• Digital de-emphasis
• Digital attenuation
• 8fs oversampling digital filter
• Adoption of tertiary Æ` noise shaper
• S/N: 100dB or more (master clock: 384Fs, typ.)
Logical value: 109dB
• THD + N: 0.007% or less (master clock: 384Fs, typ.)
• Rejection band attenuation: 60dB or less
• Double-speed playback supported

CXD2598Q Typical Application

CD players

CXD2598Q Connection Diagram

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