GENERAL DESCRIPTION

The CS43L21 is a highly integrated, 24-bit, 96 kHz, low power stereo DAC. Based on multi-bit, delta-sigma modulation, it allows infinite sample rate adjustment between 4 kHz and 96 kHz. The DAC offers many features suitable for low power, portable system applications.

FEATURES

♦ 98 dB Dynamic Range (A-wtd)

♦ -86 dB THD+N

♦ Headphone Amplifier - GND Centered

– On-Chip Charge Pump Provides -VA_HP

– No DC-Blocking Capacitor Required

– 46 mW Power Into Stereo 16 Ω @ 1.8 V

– 88 mW Power Into Stereo 16 Ω @ 2.5 V

– -75 dB THD+N

♦ Digital Signal Processing Engine

– Bass & Treble Tone Control, De-Emphasis

– PCM Mix w/Independent Vol Control

– Master Digital Volume Control and Limiter

– Soft Ramp & Zero Cross Transitions

♦ Beep Generator

– Tone Selections Across Two Octaves

– Separate Volume Control

– Programmable On & Off Time Intervals

– Continuous, Periodic or One-Shot Beep Selections

♦ Programmable Peak-Detect and Limiter

♦ Pop and Click Suppression

APPLICATIONS

♦ Portable Audio Players

♦ MD Players

♦ PDAs

♦ Personal Media Players

♦ Portable Game Consoles

♦ Smart Phones

♦ Wireless Headsets

CS43L21属于集成电路（IC） > ADC/DAC - 特殊用途。凌云逻辑制造生产的CS43L21ADC/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。