CS4272

更新时间： 2024-10-29 21:54:55

品牌	Logo	应用领域
凌云 - CIRRUS		解码器编解码器
页数	文件大小	规格书
53页	1204K
描述
24-Bit, 192 kHz Stereo Audio CODEC

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数据手册

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CS4272 数据手册

CS4272

24-Bit, 192 kHz Stereo Audio CODEC

D/A Features

A/D Features

! High Performance

– 114 dB Dynamic Range

– -100 dB THD+N

! Up to 192 kHz Sampling Rates

! Differential Analog Architecture

! Multi-bit Delta Sigma Conversion

! High-pass Filter or DC Offset Calibration

! Low-Latency Digital Anti-alias Filtering

! Automatic Dithering of 16-bit Data

! Selectable Serial Audio Interface Formats

– Left Justified up to 24-bit

! Up to 192 kHz Sampling Rates

! Differential Analog Architecture

! Volume Control with Soft Ramp

– 1 dB Step Size

– Zero Crossing Click-free Transitions

! Selectable Digital Filters

– Fast and Slow Roll Off

! ATAPI Mixing Functions

! Selectable Serial Audio Interface Formats

– Left Justified up to 24-bit

– I²S up to 24-bit

System Features

! Direct Interface with 5V to 2.5V Logic Levels

! Internal Digital Loopback

! On-chip Oscillator

! Stand-Alone or Control Port Functionality

– I²S up to 24-bit

– Right Justified 16-, 18-, 20-, and 24-Bit

! Control Output for External Muting

! Selectable 50/15 µs De-emphasis

3.3 V to 5 V

5 V

2.5 V to 5 V

Hardware or

I²C/SPI

Control Data

Left and

Right Mute

Controls

Internal Voltage

Reference

Internal

Oscillator

External

Mute Control

Configuration

Reset

Selectable

Interpolation

Filter

Left

Differential

Output

Volume

Control

Switched Capacitor

DAC and Filter

∆Σ Modulator

Selectable

Interpolation

Filter

Right

Differential

Output

Serial

Audio

Input

Volume

Control

Switched Capacitor

DAC and Filter

∆Σ Modulator

Serial

Audio

Output

Multibit

Oversampling

ADC

Left

Differential

Input

High Pass Filter &

DC Offset Calibration

Low-Latency

Anti-Alias Filter

Multibit

Oversampling

ADC

Right

Differential

Input

High Pass Filter &

DC Offset Calibration

Low-Latency

Anti-Alias Filter

Cirrus Logic, Inc.

www.cirrus.com

AUGUST '05

DS593F1

12 3 4 5 6 7...53

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