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CS4271 Datasheet, PDF (1/53 Pages) Cirrus Logic – 24-Bit, 192 kHz Stereo Audio CODEC | |||
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CS4271
24-Bit, 192 kHz Stereo Audio CODEC
D/A Features
! High Performance
â 114 dB Dynamic Range
â -100 dB THD+N
! Up to 192 kHz Sampling Rates
! Differential Analog Architecture
! Volume Control with Soft Ramp
â 1 dB Step Size
â Zero Crossing Click-free Transitions
! Selectable Digital Filters
â Fast and Slow Roll Off
! ATAPI Mixing Functions
! Selectable Serial Audio Interface Formats
â Left Justified up to 24-bit
â I2S up to 24-bit
â Right Justified 16-, 18-, 20-, and 24-Bit
! Control Output for External Muting
! Selectable 50/15 µs De-emphasis
A/D Features
! High Performance
â 108 dB Dynamic Range
â -98 dB THD+N
! Up to 192 kHz Sampling Rates
! Single-Ended Analog Architecture
! Multi-bit Delta Sigma Conversion
! High-pass Filter or DC Offset Calibration
! Low-Latency Digital Anti-alias Filtering
! Automatic Dithering of 16-bit Data
! Selectable Serial Audio Interface Formats
â Left Justified up to 24-bit
â I2S up to 24-bit
System Features
! Direct Interface with 5V to 2.5V Logic Levels
! Internal Digital Loopback
! On-chip Oscillator
! Stand-Alone or Control Port Functionality
2.5 V to 5 V
3.3 V to 5 V
5V
Hardware or
I2C/SPI
Control Data
Reset
Serial
Audio
Input
Serial
Audio
Output
Register / Hardware
Configuration
Volume
Control
Volume
Control
Internal Voltage
Reference
Internal
Oscillator
External
Mute Control
Selectable
Interpolation
Filter
Selectable
Interpolation
Filter
âΣ Modulator
âΣ Modulator
Switched Capacitor
DAC and Filter
Switched Capacitor
DAC and Filter
High Pass Filter &
DC Offset Calibration
High Pass Filter &
DC Offset Calibration
Low-Latency
Anti-Alias Filter
Low-Latency
Anti-Alias Filter
Multibit
Oversampling
ADC
Multibit
Oversampling
ADC
Left and
Right Mute
Controls
Left
Differential
Output
Right
Differential
Output
Left Input
Right Input
Cirrus Logic, Inc.
www.cirrus.com
Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved)
AUGUST '05
DS592F1
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