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CS4272 Datasheet(PDF) 1 Page - Cirrus Logic

Part No. CS4272
Description  24-Bit, 192 kHz Stereo Audio CODEC
Download  53 Pages
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Maker  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
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Copyright
© Cirrus Logic, Inc. 2005
(All Rights Reserved)
Cirrus Logic, Inc.
www.cirrus.com
CS4272
24-Bit, 192 kHz Stereo Audio CODEC
D/A Features
! High Performance
– 114 dB Dynamic Range
– -100 dB THD+N
! Up to 192 kHz Sampling Rates
! Differential Analog Architecture
! Volume Control with Soft Ramp
– 1 dB Step Size
– Zero Crossing Click-free Transitions
! Selectable Digital Filters
– Fast and Slow Roll Off
! ATAPI Mixing Functions
! Selectable Serial Audio Interface Formats
– Left Justified up to 24-bit
–I2S up to 24-bit
– Right Justified 16-, 18-, 20-, and 24-Bit
! Control Output for External Muting
! Selectable 50/15
µs De-emphasis
A/D Features
! High Performance
– 114 dB Dynamic Range
– -100 dB THD+N
! Up to 192 kHz Sampling Rates
! Differential 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
– Left Justified up to 24-bit
–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
Left and
Right Mute
Controls
∆Σ Modulator
∆Σ Modulator
Low-Latency
Anti-Alias Filter
External
Mute Control
Register / Hardware
Configuration
Internal Voltage
Reference
Internal
Oscillator
Volume
Control
Selectable
Interpolation
Filter
Selectable
Interpolation
Filter
Reset
Left
Differential
Output
Right
Differential
Output
Switched Capacitor
DAC and Filter
Multibit
Oversampling
ADC
Multibit
Oversampling
ADC
Low-Latency
Anti-Alias Filter
High Pass Filter &
DC Offset Calibration
High Pass Filter &
DC Offset Calibration
Left
Differential
Input
Right
Differential
Input
Volume
Control
Serial
Audio
Input
Serial
Audio
Output
3.3 V to 5 V
5 V
Hardware or
I
2C/SPI
Control Data
Switched Capacitor
DAC and Filter
AUGUST '05
DS593F1




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