參數(shù)資料
型號(hào)： AL1201
廠商： Electronic Theatre Controls, Inc.
英文描述： stereo DAC
中文描述： 立體聲DAC
文件頁(yè)數(shù)： 3/9頁(yè)
文件大小： 134K
代理商： AL1201
Alesis Semiconductor
12555 J efferson Blvd., Suite 285
Los Angeles, CA 90066
Fax (310) 306-1551
- 3 -
DS1201-0702
Phone (310) 301-0780
www.alesis-semi.com
Analog Characteristics
(Ta=25
°
C, VA=VD=V
REF
=5V, Fs=48kHz, input=1kHz 24 bit data, measurement bandwidth=20Hz-
20kHz, unless otherwise specified)
Parameter
Comments
Dynamic Range
output=-60dBFS (A-wt)
THD+N
output=
0dBFS
output=-20dBFS
output=-60dBFS
Crosstalk
output=
0dBFS
Output voltage
[OUT+]-[OUT-]
1
Fullscale
interchannel match
differential dc offset
common mode dc bias
Max. output current
Output impedance
differential
Power supply current
analog (I
A
)
digital (I
D
)
REF current
I
REF2
Power consumption
Gain Error
REF+ held at 5V
PSRR
REF+ held at 5V
Min
Typ
107
-90
-84
-44
-118
+/ -4.0
.05
1
2.5
+/ -0.4
3
28
6
190
170
Max
Units
dB
dB
dB
dB
dB
V
dB
mV
V
mA
Ohm
mA
mA
μ
A
mW
%
dB
+/ -.69
70
Note 1: Output voltage scales linearly with reference potential ([REF+]-[REF-])
Note 2: REF current scales with Fs.
Combined Digital and Analog Filter Characteristics
(Ta=25
°
C, VA=VD=V
REF
=5V, Fs48kHz)
Parameter
Passband
+/ -0.1dB BW
1
Ripple
Stopband
Frequency
1
Attenuation
Group delay
Deemphasis Filter
Fs=44.1kHz
‘pole’ time constant
‘zero’ time constant
Comments
Min
0
Typ
Max
21.77K
+/ -.007
Units
Hz
dB
Hz
dB
1/ Fs
26.23k
-70
28.5
50
15
μ
s
μ
s
Note 1: passband, stopband, and deemphasis frequencies scale with Fs.
相關(guān)PDF資料
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