參數(shù)資料
型號： PCM4222PFBRG4
英文描述： High-Performance, Two-Channel, 24-Bit, 216kHz Sampling Multi-Bit Delta-Sigma Analog-to-Digital Converter
中文描述： 高性能，雙通道，24位，216kHz的采樣多位Δ-Σ模擬到數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 13/40頁
文件大小： 609K
代理商： PCM4222PFBRG4
www.ti.com
Frequency (Hz)
A
0
-
0.4
-
0.6
-
0.8
-
1.0
-
1.2
-
1.4
-
1.6
-
1.8
-
2.0
1k
100
20
10k
20k
-
0.2
f = 48kHz
Classic or Low Group Delay Response
High-Pass Filter Enabled
Input Amplitude = 1dB
-
Frequency (Hz)
A
0
-
0.4
-
0.6
-
0.8
-
1.0
-
1.2
-
1.4
-
1.6
-
1.8
-
2.0
1k
100
20
10k
40k
-
0.2
f = 96kHz
Classic or Low Group Delay Response
Enabled
Input Amplitude = 1dB
-
High-Pass Filter
Frequency (Hz)
A
0
-
0.4
-
0.6
-
0.8
-
1.0
-
1.2
-
1.4
-
1.6
-
1.8
-
2.0
1k
100
20
10k
80k
-
0.2
f = 192kHz
High-Pass Filter Enabled
Input Amplitude = 1dB
-
Normalized Frequency (f )
S
A
50
0
-
50
-
100
-
150
-
200
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
Normalized Frequency (f )
S
A
0
-
100
-
150
0.5
0.1
0
0.6
1.0
0.2
0.3
0.4
0.7
-
50
0.8
0.9
Normalized Frequency (f )
S
A
2
-
1
-
2
-
4
0.25
0.05
0
0.30
0.50
0.10 0.15 0.20
0.35
0
1
0.40 0.45
-
3
PCM4222
SBAS399A–OCTOBER 2006–REVISED MARCH 2007
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25
°
C, VCC1 = VCC2 = +4.0V, and VDD = +3.3V, unless otherwise noted.
FREQUENCY RESPONSE
(up to 20kHz)
FREQUENCY RESPONSE
(up to 40kHz)
Figure 23.
Figure 24.
FREQUENCY RESPONSE
(up to 80kHz)
DIGITAL DECIMATION FILTER, CLASSIC RESPONSE
Overall Frequency Response
Figure 25.
Figure 26.
DIGITAL DECIMATION FILTER, CLASSIC RESPONSE
Stop Band Detail
DIGITAL DECIMATION FILTER, CLASSIC RESPONSE
Passband Ripple Detail
Figure 27.
Figure 28.
13
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