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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： | 2/53頁 |
| 文件大小： | 1200K |
| 代理商： | CDB4272 |
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CS4272
2
DS593F1
Stand-Alone Mode Feature Set
!
System Features
– Serial Audio Port Master or Slave Operation
– Internal Oscillator for Master Clock
!
D/A Features
– Auto-mute on Static Samples
– 44.1 kHz 50/15
μ
s De-emphasis Available
– Selectable Serial Audio Interface Formats
"
Left Justified up to 24-bit
"
I
2
S up to 24-bit
!
A/D Features
– Automatic Dithering for 16-bit Data
– High-pass Filter
– Selectable Serial Audio Interface Formats
"
Left Justified up to 24-bit
"
I
2
S up to 24-bit
Software Mode Feature Set
!
System Features
– Serial Audio Port Master or Slave Operation
– Internal Oscillator for Master Clock
– Internal Digital Loopback Available
!
D/A Features
– Selectable Auto-mute
– Selectable Interpolation Filters
– Selectable 32-, 44.1-, and 48-kHz De-emphasis
Filters
– Configurable ATAPI Mixing Functions
– Configurable Volume and Muting Controls
– 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
!
A/D Features
– Selectable Dithering for 16-bit Data
– Selectable High-pass Filter or DC Offset Calibration
– Selectable Serial Audio Interface Formats
"
Left Justified up to 24-bit
"
I
2
S up to 24-bit
General Description
The CS4272 is a high-performance, integrated audio
CODEC. The CS4272 performs stereo analog-to-digital
(A/D) and digital-to-analog (D/A) conversion of up to
24-bit serial values at sample rates up to 192 kHz.
The D/A offers a volume control that operates with a
1 dB step size. It incorporates selectable soft ramp and
zero crossing transition functions to eliminate clicks and
pops.
The D/A’s integrated digital mixing functions allow a va-
riety of output configurations ranging from a channel
swap to a stereo-to-mono downmix.
Standard 50/15
μ
s de-emphasis is available for sam-
pling rates of 32, 44.1, and 48 kHz for compatibility with
digital audio programs mastered using the 50/15
μ
s pre-
emphasis technique.
Integrated level translators allow easy interfacing be-
tween the CS4272 and other devices operating over a
wide range of logic levels.
An on-chip oscillator eliminates the need for an external
crystal oscillator circuit. This can reduce overall design
cost and conserve circuit board space. The CS4272 au-
tomatically uses the on-chip oscillator in the absence of
an applied master clock, making this feature easy to
use.
Independently addressable high-pass filters are avail-
able for the right and left channel of the A/D. This allows
the A/D to be used in a wide variety of applications
where one audio channel and one DC measurement
channel is desired.
The CS4272’s wide dynamic range, negligible distor-
tion, and low noise make it ideal for applications such as
A/V receivers, DVD-R, CD-R, digital mixing consoles,
effects processors, set-top box systems, and automo-
tive audio systems.
Ordering Information
Product
Description
Package
Pb-Free
Grade
Temp Range
Container
Tube
Tape & Reel CS4272-CZZR
Tube
CS4272-DZZ
Tape & Reel CS4272-DZZR
-
CDB4272
Order #
CS4272-CZZ
CS4272
24-Bit, 192 kHz
Stereo Audio CODEC
28-pin
TSSOP
YES
Commercial -10° to +70° C
Automotive
-40° to +85° C
CDB4272
CS4272 Evaluation Board
No
-
-
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