CS43L21 Datasheet, PDF (1/63 Pages) Cirrus Logic – Low Power, Stereo Digital to Analog Converter

CS43L21
Low Power, Stereo Digital to Analog Converter
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
SYSTEM FEATURES
 24-bit Conversion
 4 kHz to 96 kHz Sample Rate
 Multi-bit Delta Sigma Architecture
 Low Power Operation
– Stereo Playback: 12.93 mW @ 1.8 V
 Variable Power Supplies
– 1.8 V to 2.5 V Digital & Analog
– 1.8 V to 3.3 V Interface Logic
 Power Down Management
 Software Mode (I²C^® & SPI™ Control)
 Hardware Mode (Stand-Alone Control)
 Digital Routing/Mixes:
– Mono Mixes
 Flexible Clocking Options
– Master or Slave Operation
– High-Impedance Digital Output Option (for
easy MUXing between DAC and Other
Data Sources)
– Quarter-Speed Mode - (i.e. Allows 8 kHz Fs
while maintaining a flat noise floor up to
16 kHz)
1.8 V to 3.3 V
1.8 V to 2.5 V
1.8 V to 2.5 V
Serial Audio
Input
Hardware
Mode or I²C &
SPI Software
Mode
Control Data
Reset
Beep
Generator
Register
Configuration
Digital
Signal
Processing
Engine
MUX
Switched
Capacitor DAC
Multibit
and Filter
∆Σ Modulator
Switched
Capacitor DAC
MUX
and Filter
Headphone
Amp - GND
Centered
Headphone
Amp - GND
Centered
Charge
Pump
Left HP Out
Right HP Out
Advance Product Information
http://www.cirrus.com
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright © Cirrus Logic, Inc. 2006
(All Rights Reserved)
JULY '06
DS723A1