General Description

The CS42L73 is a highly integrated, low-power, audio and telephony CODEC for portable applications such as smartphones and ultra mobile personal computers.

Product Overview

For the full datasheet, visit

www.cirrus.com/codec-datasheets/CS42L73-17

♦ Stereo ADC

♦ Dual Analog or Digital MIC Support

♦ Dual MIC Bias Generators

♦ Four DACs Coupled to Five Outputs

– Ground-Centered Stereo Headphone Amp.

– Ground-Centered Stereo Line Output

– Mono Ear Speaker Amplifier

– Mono 1 W Speakerphone Amplifier

– Mono Speakerphone Line Output for Stereo Speakerphone Expansion

♦ Three Serial Ports with Asynchronous Sample Rate Converters

♦ Digital Audio Mixing and Routing

System Features

♦ Native (no PLL required) Support for 6/12/24 MHz, 13/26 MHz, and 19.2/38.4 MHz Master Clock Rates in Add. to Typ. Audio Clock Rates

♦ Integrated High-efficiency Power Management Reduces Power Consumption

– Internal LDO Regulator to Reduce Internal Digital Operating Voltage to VL/2

– Step-down Charge Pump Provides Low Headphone/Line Out Supply Voltage

– Inverting Charge Pump Accommodates Low System Voltage by Providing Negative Rail for HP and Line Amp

♦ Flexible Speakerphone Amplifier Powering

– 3.00 V to 5.25 V Range

– Independent Cycling

♦ Power Down Management

– Individual Controls for ADCs, Dig. MIC Interface, MIC Bias Generators, Serial Ports, and Output Amplifiers & Associated DACs

♦ Programmable Thermal Overload Notification

♦ High-speed I²C™ Control Port (400 kHz)

Applications

♦ Smart Phones, UMPCs, and MIDs

CS42L73-CRZR属于集成电路（IC） > 编解码器。凌云逻辑制造生产的CS42L73-CRZR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。