CS42325集成电路（IC）的编解码器规格书PDF中文资料

CS42325属于集成电路（IC）的编解码器。由凌云逻辑制造生产的CS42325编解码器编解码器是用于通过压缩和解压缩来转换数据的半导体器件。数据压缩可提高传输速度并减少存储空间。某些编解码器提供高达 32 位的分辨率，并且分别提供多达 6 个或 8 个模数转换器和数模转换器。除三角积分调制外，还有 I2C、I2S、SPI、串行、HDA、S/DIF、PCM、USB、AC'97 和 SLIMbus 数据接口。

General Description

The CS42325 is a highly integrated stereo audio CODEC. The CS42325 performs stereo analog-todigital (A/D) and up to four channels of digital-to-analog (D/A) conversion of up to 24-bit serial values at sample rates up to 96 kHz.

D/A Features

♦ Dual 24-bit Stereo DACs

♦ 100 dB Dynamic Range (A-Wtd)

♦ -90 dB THD+N

♦ Integrated Line Driver

– 2 Vrms Output

– Single-Ended Outputs

♦ Integrated Headphone Driver

– 2 x 10 mW into 32 Ω

♦ Stereo 7:1 Output Multiplexer

♦ Volume Control with Soft Ramp

– 0.5 dB Step Size

– Zero Crossing Click-Free Transitions

♦ Selectable Serial Audio Interface Formats

– Left- or Right-Justified, Up to 24-bit

– I²S Up to 24-bit

♦ Selectable 50/15 μs De-Emphasis

♦ Internal Analog Mute

♦ Control Output for External Muting

♦ Popguard® Technology

A/D Features

♦ Single 24-bit Stereo ADC

♦ Stereo 5:1 Input Multiplexer

♦ 2 Vrms Single-Ended Inputs

♦ 95 dB Dynamic Range (A-Wtd)

♦ -88 dB THD+N

♦ Digital Volume Control with Soft Ramp

– 0.5 dB Step Size

♦ Selectable Serial Audio Interface Formats

– Left-Justified

– I²S

♦ High-Pass Filter or DC Offset Calibration

System Features

♦ High Performance 24-bit Converters

– Multi-bit Delta-Sigma Modulator

– Up to 96 kHz Sampling Rates

♦ Direct Interface with 1.8 V to 3.3 V Logic Levels

♦ Supports Asynchronous Serial Port Operation

– Two Independent Clock Domains

– ADC, DAC1, and DAC2 can be Independently Assigned to the Two Clock Domains

– Each Serial Port Supports Master or Slave Operation

♦ Internal Digital Loopback

♦ +3.3 V Analog Power Supply

♦ +3.3 V Digital Power Supply

♦ +9 V to +12 V High-Voltage Power Supply

♦ Hardware or Software Mode Configuration

– Supports I²C® and SPI™ Software Interface