CS42L52集成电路（IC）的编解码器规格书PDF中文资料

CS42L52属于集成电路（IC）的编解码器。由凌云逻辑制造生产的CS42L52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 CS42L52 is a highly integrated, low-power stereo CODEC with headphone and Class D speaker amplifiers. The CS42L52 offers many features suitable for low-power, portable system applications.

Stereo CODEC

♦ High Performance Stereo ADC & DAC

– 99 dB (ADC), 98 dB (DAC) Dyn. Range (A-wtd)

– -88 dB THD+N

♦ Flexible Stereo Analog Input Architecture

– 4:1 Analog Input MUX

– Analog Input Mixing

– Analog Passthrough with Volume Control

– Analog Programmable Gain Amplifier (PGA)

♦ Programmable Automatic Level Control (ALC)

– Noise Gate for Noise Suppression

– Programmable Threshold & Attack/Release Rates

♦ Dual MIC Inputs

– Differential or Single-ended

– +16 dB to +32 dB w/ 1dB step MIC PreAmplifiers

– Programmable, Low-noise MIC Bias Levels

♦ Digital Signal Processing Engine

– Bass & Treble Tone Control, De-emphasis

– Master Vol. and Independent PCM SDIN + ADC SDOUT Mix Volume Control

– Soft-ramp & Zero-Cross Transitions

– Programmable Peak-detect and Limiter

– Beep Generator w/Full Tone Control

Class D Stereo/Mono Speaker Amplifier

♦ No External Filter Required

♦ High-power Stereo Output at 10 THD+N

– 2 x 1.00 W into 8 Ω @ 5.0 V

– 2 x 550 mW into 8 Ω @ 3.7 V

– 2 x 230 mW into 8 Ω @ 2.5 V

♦ High-power Mono Output at 10 THD+N

– 1 x 1.90 W into 4 Ω @ 5.0 V

– 1 x 1.00 W into 4 Ω @ 3.7 V

– 1 x 350 mW into 4 Ω @ 2.5 V

♦ Direct Battery-powered Operation

– Battery Level Monitoring & Compensation

♦ 81 Efficiency at 800 mW

♦ Phase-aligned PWM Output Reduces Idle Channel Current

♦ Spread Spectrum Modulation

♦ Low Quiescent Current

Stereo Headphone Amplifier

♦ Ground-centered Outputs

– No DC-Blocking Capacitors Required

– Integrated Negative Voltage Regulator

♦ High-power Output at -75 dB THD+N

– 2 x 23 mW Into 16 Ω @ 1.8 V

– 2 x 44 mW Into 16 Ω @ 2.5 V

System Features

♦ 12, 24, and 27 MHz Master Clock Support in Addition to Typical Audio Clock Rates

♦ High-performance 24-bit Converters

– Multi-bit Delta-Sigma Architecture

– Very Low 64Fs Oversampling Clock Reduces Power Consumption

♦ Low-power Operation

– Stereo Analog Passthrough: 10 mW @ 1.8 V

– Stereo Playback: 14 mW @ 1.8 V

– Stereo Rec. and Playback: 23 mW @ 1.8 V

♦ Variable Power Supplies

– 1.8 V to 2.5 V Digital & Analog

– 1.6 V to 5 V Class D Amplifier

– 1.8 V to 2.5 V Headphone Amplifier

– 1.8 V to 3.3 V Interface Logic

♦ Power-down Management

– ADC, DAC, CODEC, MIC Pre-Amplifier, PGA, Headphone Amplifier, Speaker Amplifier

♦ Analog & Digital Routing/Mixes:

– Line/Headphone Out = Analog In (ADC Bypassed)

– Line/Headphone/Speaker Out = ADC + Digital In

– Digital Out = ADC + Digital In

– Internal Digital Loopback

– Mono Mixes

♦ Flexible Clocking Options

– Master or Slave Operation

– High-impedance Digital Output Option (for easy MUXing between CODEC & other data sources)

– Quarter-speed Mode - (i.e. allows 8 kHz Fs while maintaining a flat noise floor up to 16 kHz)

– 4 kHz to 96 kHz Sample Rates

♦ I²C® Control Port Operation

♦ Headphone/Speaker Detection Input

♦ Pop and Click Suppression

Applications

♦ Digital Voice Recorders, Digital Cameras, & Camcorders

♦ PDA’s

♦ Personal Media Players

♦ Portable Game Consoles