參數(shù)資料
型號(hào)： CDB43122
廠商： Cirrus Logic, Inc.
英文描述： 122dB, 24-Bit, 192kHz DAC for Digital Audio
中文描述： 122分貝，24位，192kHz的數(shù)字音頻數(shù)模轉(zhuǎn)換器
文件頁(yè)數(shù)： 7/28頁(yè)
文件大小： 523K
代理商： CDB43122
CS43122
7
ANALOG CHARACTERISTICS
(Continued)
Notes:
4.
Response is clock dependent and will scale with Fs. Note that the response plots (Figures 7-18) have
been normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs.
For Operational Mode 0, the Measurement Bandwidth is 0.5465 Fs to 1.4 Fs.
For Operational Mode 1, the Measurement Bandwidth is 0.570 Fs to 1.4 Fs.
For Operational Mode 2, the Measurement Bandwidth is 0.635 Fs to 1.3 Fs.
Group Delay for Fs=48 kHz 37/48 kHz=770
μ
s
De-emphasis is available only in Operational Mode 0.
5.
6.
7.
Parameter
Symbol
Min
Typ
Max
Unit
Combined Digital and On-chip Analog Filter Response - Operational Mode 0
Passband
to -0.1 dB corner
to -3 dB corner
Frequency Response 10 Hz to 20 kHz
Passband Ripple
StopBand
StopBand Attenuation
Group Delay
De-emphasis Error
Fs = 32 kHz
(Relative to 1 kHz)
Fs = 44.1 kHz
Fs = 48 kHz
Combined Digital and On-chip Analog Filter Response - Operational Mode 1
Passband
to -0.1 dB corner
to -3 dB corner
Frequency Response 10 Hz to 20 kHz
Passband Ripple
StopBand
StopBand Attenuation
Group Delay
Combined Digital and On-chip Analog Filter Response - Operational Mode 2
Passband
to -0.1 dB corner
to -3 dB corner
Frequency Response 10 Hz to 20 kHz
Passband Ripple
StopBand
StopBand Attenuation
Group Delay
(Note 4)
-
-
-
-
-
-
-
-
0.470
0.492
+0.015
±0.0001
-
-
-
Fs
Fs
dB
dB
Fs
dB
s
-.020
-
.5465
102
-
(Note 5)
(Note 6)
(Note 7)
tgd
37/Fs
-
-
-
-
-
-
±0.10
±0.10
±0.13
dB
dB
dB
(Note 4)
0
0
-
-
-
-
-
-
0.448
0.486
0.035
±0.0008
-
-
-
Fs
Fs
dB
dB
Fs
dB
s
-0.017
-
.570
82
-
(Note 5)
tgd
20/Fs
(Note 4)
-
-
0
-
-
-
-
-
-
-
0.385
0.472
+0.015
±0.00065
-
-
-
Fs
Fs
dB
dB
Fs
dB
s
0.635
83
-
(Note 5)
tgd
11/Fs
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