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Part Name(s) : STA330 STA33013TR ST-Microelectronics
STMicroelectronics
Description : 2.0 Digital audio processor with FFX Digital modulator and analog and Digital inputs

Introduction
The STA330 is a Digital stereo audio processor with analog and Digital input. It includes an audio DSP and FFX, a ST proprietary high-efficiency class-D driver. In conjunction with a power device, the STA330 provides high-quality Digital amplification.

Features
■ Up to 96 dB dynamic range
■ Sample rates from 8 kHz to 192 kHz
■ FFX (Digital modulation) class-D driver
Digital supply voltage from 1.5 V to 3.6 V
■ Analog supply voltage from 1.5 V to 3.6 V
■ 18-bit audio processing and class-D FFX Digital modulator
■ 100-dB SNR analog to Digital converter
Digital volume control:
   – +36 dB to -105 dB in 0.5 dB steps
   – Software volume update
■ Individual channel and master gain/attenuation
■ Automatic invalid-input detect mute
■ 2-channel serial input/output data interface
Digitally controlled pop-free operation

 

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Part Name(s) : CXD3027R Sony
Sony Semiconductor
Description : CD Digital Signal Processor with Built-in Digital Servo + Shock-Proof Memory Controller + Digital High & Bass Boost

Description
The CXD3027R is a Digital signal processor LSI for CD players. This LSI incorporates a Digital servo, high & bass boost, shock-proof memory controller, 1-bit DAC and analog low-pass filter.

Features
• All Digital signal processing during playback is performed with a single chip
• Highly integrated mounting possible due to a built-in RAM

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Part Name(s) : LC78855 LC78855KM SANYO
SANYO -> Panasonic
Description : Digital Audio D/A Converter with Built-in Digital Filters

Overview
The LC78855KM is a Σ∆ D/A converter with built-in Digital filters for use in Digital audio products.

Features
• 8× oversampling Digital filters
Digital de-emphasis (for Fs = 44.1 kHz)
Digital attenuation (with serial input)
• Soft muting (with parallel inputs)
• Supports double-speed playback.
• Supports a 384 fs system clock.
• PWM output
• Single 5 V power supply
• Si gate CMOS process

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Part Name(s) : CXD2587Q Sony
Sony Semiconductor
Description : CD Digital Signal Processor with Built-in Digital Servo and DAC

Description
The CXD2587Q is a Digital signal processor LSI for CD players. This LSI incorporates a Digital servo, Digital filter, zero detection circuit, 1-bit DAC and analog low-pass filter.

 

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Part Name(s) : SM5803AP SM5803APT NPC
Nippon Precision Circuits
Description : Multi-function Digital Filter for Digital Audio

OVERVIEW
The SM5803AP/APT is a multi-function Digital filter for Digital audio fabricated using NPCs original molybdenum-gate CMOS technology.

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Part Name(s) : SM5807 SM5807DP SM5807DS SM5807EP SM5807ES SM5807FP SM5807FS NPC
Nippon Precision Circuits
Description : 4 FOLD OVER SAMPLING Digital FILTER FOR Digital AUDIO

4 FOLD OVER SAMPLING Digital FILTER FOR Digital AUDIO

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Part Name(s) : CXD3068Q Sony
Sony Semiconductor
Description : CD Digital Signal Processor with Built-in Digital Servo

Description
The CXD3068Q is a Digital signal processor LSI for CD players. This LSI incorporates a Digital servo.

Features
• All Digital signal processings during playback are performed with a single chip
• Highly integrated mounting possible due to a built in RAM

Applications
CD players

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Part Name(s) : NTE1853 NTE-Electronic
NTE Electronics
Description : Integrated Circuit Digital Filter for Compact Disc Digital Audio System

Features:
• 16–Bit Serial Data Input (Two’s Complement)
• Interpolated Data Replaces Erroneous Data Samples
• –12dB Attenuation via the Active Low Attenuation Input Control (ATSB)
• Smoothed Trasitions Before and After Muting
• Two Identical Finite Impulse Response Transversal Filters each with a Sampling Rate of Four Times that of the Normal Digital Audio Data
Digital Audio Output of 32–Bit Words Transmitted in Biphasemark Code

Applications:
• Compact Disc Digital Audio System
Digital Filter

 

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Part Name(s) : CXD3017Q Sony
Sony Semiconductor
Description : CD Digital Signal Processor with Built-in Digital Servo and DAC

Description
The CXD3017Q is a Digital signal processor LSI for CD players. This LSI incorporates a Digital servo, Digital filter, zero detection circuit, 1-bit DAC and analog low-pass filter.

Features
Digital Signal Processor (DSP) Block
• 1×, 2×, 4× speed playback supported
• 16K-RAM
• EFM data demodulation
• Enhanced EFM frame sync signal protection
• SEC strategy-based error correction
• Subcode demodulation and Sub Q data error detection
Digital spindle servo
• 16-bit traverse counter
• Asymmetry compensation circuit
• CPU interface on serial bus
• Error correction monitor signal, etc. output from a new CPU interface
• Servo auto sequencer
Digital audio interface outputs
Digital level meter, peak meter
• 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 function
• 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
• Double-speed playback supported
Digital de-emphasis
Digital attenuation
• 8Fs oversampling filter

Applications
CD players

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