CS4270集成電路（IC）的編解碼器規(guī)格書PDF中文資料

CS4270屬于集成電路（IC）的編解碼器。由凌云邏輯制造生產(chǎn)的CS4270編解碼器編解碼器是用于通過壓縮和解壓縮來轉(zhuǎn)換數(shù)據(jù)的半導(dǎo)體器件。數(shù)據(jù)壓縮可提高傳輸速度并減少存儲(chǔ)空間。某些編解碼器提供高達(dá) 32 位的分辨率，并且分別提供多達(dá) 6 個(gè)或 8 個(gè)模數(shù)轉(zhuǎn)換器和數(shù)模轉(zhuǎn)換器。除三角積分調(diào)制外，還有 I2C、I2S、SPI、串行、HDA、S/DIF、PCM、USB、AC'97 和 SLIMbus 數(shù)據(jù)接口。

General Description

The CS4270 is a high-performance, integrated audio CODEC. The CS4270 performs stereo analog-to-digital (A/D) and digital-to-analog (D/A) conversion of up to 24-bit serial values at sample rates up to 216 kHz. Standard 50/15 μs de-emphasis is available for sampling rates of 44.1 kHz for compatibility with digital audio programs mastered using the 50/15 μs pre-emphasis technique.

Integrated level translators allow easy interfacing be tween the CS4270 and other devices operating over a wide range of logic levels.

Independently addressable high-pass filters are available for the right and left channel of the A/D. This allows the A/D to be used in a wide variety of applications where one audio channel and one DC measurement channel is desired.

D/A Features

? High Performance

– 105 dB Dynamic Range

– -95 dB THD+N

? Selectable Serial Audio Interface Formats

– Left-Justified up to 24-bit

– I2S up to 24-bit

– Right-Justified 16-, and 24-Bit

? Control Output for External Muting

? On-Chip Digital De-Emphasis

? Popguard? Technology

? Multi-bit ?Σ Conversion

? Digital Volume Control

? Single-Ended Output

A/D Features

? High Performance

– 105 dB Dynamic Range

– -95 dB THD+N

? Multi-bit ?Σ Conversion

? High-Pass Filter to Remove DC Offsets

? Selectable Serial Audio Interface Formats

– Left-Justified up to 24-bit

– I2S up to 24-bit

? Single-Ended Input

System Features

? Direct Interface with Logic Levels 1.8 V to 5 V

? Internal Digital Loopback

? Stand-Alone or Control Port Functionality

? Single-Ended Analog Architecture

? Supports all Audio Sample Rates from 4 kHz to 216 kHz

? 3.3 V or 5 V Core Supply

Stand-Alone Mode Feature Set

? System Features

– Serial Audio Port Master or Slave Operation

– Single-, Double-, or Quad-Speed Operation

? D/A Features

– Auto-Mute on Static Samples

– 44.1 kHz 50/15 μs De-emphasis Available

– Selectable Serial Audio Interface Formats

? Left-Justified up to 24-bit

? I2S up to 24-bit

? A/D Features

– High-Pass Filter

– Selectable Serial Audio Interface Formats

? Left-Justified up to 24-bit

? I2S up to 24-bit

Software Mode Feature Set

? System Features

– Serial Audio Port Master or Slave Operation

– Internal Digital Loopback Available

? D/A Features

– Selectable Auto-mute

– 44.1-kHz De-emphasis Filters

– Configurable Muting Controls

– Volume Control

– Selectable Serial Audio Interface Formats

? Left-Justified up to 24-bit

? I2S up to 24-bit

? Right-Justified 16, and 24-bit

? A/D Features

– Selectable High-Pass Filter or DC Offset Calibration

– Selectable Serial Audio Interface Formats

? Left-Justified up to 24-bit

? I2S up to 24-bit