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參數(shù)資料
| 型號： | AL0402I |
| 英文描述： | AL0402I 16Bit 44.1KHz Sigma-Delta Audio DAC|Data Sheet |
| 中文描述： | AL0402I 16Bit的44.1kHz的Σ-△音頻DAC |數(shù)據(jù)資料 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 410K |
| 代理商： | AL0402I |
SEC ASIC
AL0402H
16Bit 44.1KHz Sigma-Delta Stereo
ANALOG
Analog
Postfilter
Sinc Filter
&
Sigma-Delta
Modulator
Compensation
Filter
&
De-emphsis
&
FIR Filter
Anti-Imagin
g Filter
Timing Generation
Voltage
Reference
S/P
Converter
&
Attenuator
SDATA
LRCK
BCK
MCK
AOUTL
VREF
IREF
AOUTR
M
D
A
T
A
M
C
L
K
M
L
D
D
S
R
B
D
S
L
B
S
D
O
N
E
S
E
R
R
O
R
B
MICOM Interface
I
A
D
S
R
I
A
D
S
L
I
F
S
6
4
B
I
S
T
N
T
S
E
L
M
U
T
E
L
P
D
L
D
E
E
M
D
N
R
S
T
B
GENERAL DESCRIPTION
This product is
Σ
Digital-To-Analog Converter for
digital audio System (CDP). The product contains
Serial-to-Parallel
Converter
Filter, Digital Volume Attenuator by the MICOM
Interface, De-Emphasis Filter, FIR filter, Sinc Filter,
digital sigma-delta modulator, analog postfilter, AIF
(Anti-Image-Filter). The normal input and output
channels
provides
95dB
Ratio) over in band (20kHz).
The
product
employs
1bit
architecture with 16bit resolution, over sampling of
64
Χ
. And analog postfilter with low clock sensitivity
and linear phase, filters
outputs analog voltage with high resolution. An
on-chip
reference
voltage
single supply operations.
and
Compensation
SNR
(Signal
to Noise
4th-order sigma-delta
the shaping-nosie and
is
included
to
allow
FEATURES
- 16bit
Σ
Digital-To-Analog Converter
- On-Chip Analog Postfilter
-
Filtered
Line-Level
Filtering
- On-Chip Voltage Reference
- 95dB SNR
- Sampling Rate 44.1kHz
- Input Rate 1Fs or 2Fs by Normal Mode/ Double
Mode Selection
- Zero Input Detection Mute
- On-Chip Compensation Filter
- Input Volume Attenuator by the MICOM Interface
- On-Chip De-Emphasis Filter
- On-Chip 4 times oversampling Digital Filter
- Single 5V Power Supply
- Low Clock Jitter Sensitivity
Outputs,
Linear
Phase
BLOCK DIAGRAM
Ver 1.1
(December 1998)
This datasheet is a preliminary version. No responsibility is assumed by
SEC for its use nor for any infringements of patents or other rights of third parties that may result
from its use. The content of this datasheet is subject to change without any notice.
1 / 11
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