CS4270 Datasheet, PDF (1/48 Pages) Cirrus Logic – 24-Bit, 192 kHz Stereo Audio CODEC

CS4270
24-Bit, 192 kHz Stereo Audio CODEC
D/A Features
 High Performance
– 105 dB Dynamic Range
– -95 dB THD+N
 Selectable Serial Audio Interface Formats
– Left-Justified up to 24-bit
– I²S up to 24-bit
– Right-Justified 16-, and 24-Bit
 Control Output for External Muting
 On-Chip Digital De-Emphasis
 Popguard Technology
 Multi-bit ∆Σ Conversion
 Digital Volume Control
A/D Features
 High Performance
– 105 dB Dynamic Range
– -95 dB THD+N
 Multi-bit Delta Sigma Conversion
 High-Pass Filter to remove DC Offsets
 Selectable Serial Audio Interface Formats
– Left-Justified up to 24-bit
– I²S up to 24-bit
System Features
 Direct Interface with Logic Levels 1.8 V to 5 V
 Internal Digital Loopback
 Stand-Alone or Control Port Functionality
 Single-Ended Analog Architecture
 Supports all Audio Sample Rates from 4 kHz to
216 kHz
Control Port Supply
1.8 V to 5 V
Digital Supply
3.3 V to 5 V
Analog Supply
3.3 V to 5 V
Hardware Mode or
I²C/SPI Software Mode
Control Data
Reset
Register/Hardware
Configuration
Internal Voltage
Reference
External Mute
Control
2
Mute Signals
PCM Serial
Audio Input
Volume
2 Controls
Digital
Filters
Multi-bit ∆Σ
Modulators
Switch-Cap
DAC and
Analog Filters
Single-Ended
2
Outputs
PCM Serial
Audio Output
High-Pass
2
Filter
Digital
Filters
Switch-Cap
Single-Ended
ADC
2 Inputs
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. 2005
(All Rights Reserved)
MAY '05
DS686A1