參數(shù)資料
型號(hào)： CDB4272
廠商： Cirrus Logic Inc
文件頁(yè)數(shù)： 1/15頁(yè)
文件大?。?/td> 0K
描述： EVAL BOARD CS4272 STEREO CODEC
標(biāo)準(zhǔn)包裝： 1
主要目的： 音頻編解碼器
已用 IC / 零件： CS4272
已供物品： 板，CD
相關(guān)產(chǎn)品： CS4272-DZZ-ND - IC CODEC 24BIT 114DB 28-TSSOP
598-1042-5-ND - IC CODEC AUD 24BIT 114DB 28TSSOP
其它名稱： 598-1004
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
s 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
Low-Latency
Anti-Alias Filter
External
Mute Control
Register / Hardware
Configuration
Internal Voltage
Reference
Internal
Oscillator
Volume
Control
Mi
xe
r
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
PC
M
Se
ri
a
lInte
rfac
e
/
Loo
pba
c
k
Left
Differential
Input
Right
Differential
Input
Volume
Control
L
e
ve
lT
ra
n
s
lator
Le
v
e
lTra
n
s
lat
o
r
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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