General Description

The CS43L22 is a highly integrated, low power stereo DAC with headphone and Class D speaker amplifiers. The CS43L22 offers many features suitable for low power, portable system applications.

FEATURES

♦ 98 dB Dynamic Range (A-wtd)

♦ 88 dB THD+N

♦ Headphone Amplifier - GND Centered

– No DC-Blocking Capacitors Required

– Integrated Negative Voltage Regulator

– 2 x 23 mW into Stereo 16 Ω @ 1.8 V

– 2 x 44 mW into Stereo 16 Ω @ 2.5V

♦ Stereo Analog Input Passthrough Architecture

– Analog Input Mixing

– Analog Passthrough with Volume Control

♦ Digital Signal Processing Engine

– Bass & Treble Tone Control, De-Emphasis

– PCM Input w/Independent Vol Control

– Master Digital Volume Control and Limiter

– Soft-Ramp & Zero-Cross Transitions

♦ Programmable Peak-Detect and Limiter

♦ Beep Generator w/Full Tone Control

– Tone Selections Across Two Octaves

– Separate Volume Control

– Programmable On and Off Time Intervals

– Continuous, Periodic, One-Shot Beep Selections

CS43L22属于集成电路（IC） > ADC/DAC - 特殊用途。凌云逻辑制造生产的CS43L22ADC/DAC - 特殊用途该产品族中的产品可用于模拟和数字表示的信息转换，适用于特定用例，或集成了通用数据转换器中不常见的其他功能。例如针对超声或汽车雷达应用集成了低噪声放大器和可变增益级的器件、注重音频和视频的产品、在段码式显示器上集成显示测量值功能的器件、集成输入输出电气隔离的器件等。