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參數資料
| 型號： | CDB4272 |
| 廠商： | Cirrus Logic, Inc. |
| 元件分類： | Codec |
| 英文描述： | 24-Bit, 192 kHz Stereo Audio CODEC |
| 中文描述： | 24位192千赫立體聲音頻CODEC |
| 文件頁數： | 1/53頁 |
| 文件大?。?/td> | 1200K |
| 代理商： | CDB4272 |
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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
– I
2
S up to 24-bit
– Right Justified 16-, 18-, 20-, and 24-Bit
!
Control Output for External Muting
!
Selectable 50/15
μ
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
– I
2
S 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
M
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
P
Left
Differential
Input
Right
Differential
Input
Volume
Control
L
L
Serial
Audio
Input
Serial
Audio
Output
3.3 V to 5 V
5 V
Hardware or
I
C/SPI
Control Data
Switched Capacitor
DAC and Filter
AUGUST '05
DS593F1
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