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