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