參數(shù)資料
型號(hào): PCM4222PFBG4
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(yè)數(shù): 10/40頁(yè)
文件大?。?/td> 609K
代理商: PCM4222PFBG4
www.ti.com
TYPICAL CHARACTERISTICS
Frequency (Hz)
A
0
-
20
-
40
-
60
-
80
-
100
-
120
-
140
-
160
-
180
1k
100
20
10k
24k
f = 48kHz
f
= 997kHz, 60dB
IN
-
Frequency (Hz)
A
0
-
20
-
40
-
60
-
80
-
100
-
120
-
140
-
160
-
180
1k
100
20
10k
24k
f = 48kHz
Idle Channel (no input)
Input Amplitude (dB)
T
-
60
-
70
-
80
-
90
-
100
-
110
-
120
-
130
-
40
-
120
-
140
-
20
0
-
100
-
80
-
60
f = 48kHz
f
= 997Hz
BW = 22Hz to 20kHz
IN
Input Frequency (Hz)
T
-
60
-
70
-
80
-
90
-
100
-
110
-
120
-
130
1k
100
20
10k
20k
f = 48kHz
Input Amplitude = 1dB
BW = 22Hz to 20kHz
-
Input Frequency (kHz)
C
0
-
20
-
100
-
120
-
140
-
160
-
180
-
200
10
2
0
12
20
4
6
8
-
80
-
60
-
40
14
16
18
f = 48kHz
Left Channel
Right Channel
Input Amplitude (dB)
O
0
-
20
-
40
-
60
-
80
-
100
-
120
-
140
-
40
-
120
-
140
-
20
0
-
100
-
80
-
60
f = 48kHz
PCM4222
SBAS399A–OCTOBER 2006–REVISED MARCH 2007
At T
A
= +25
°
C, VCC1 = VCC2 = +4.0V, and VDD = +3.3V, unless otherwise noted.
FFT PLOT
FFT PLOT
Figure 5.
Figure 6.
THD+N vs INPUT FREQUENCY
THD+N vs INPUT AMPLITUDE
Figure 7.
Figure 8.
CHANNEL SEPARATION vs INPUT FREQUENCY
LINEARITY
Figure 9.
Figure 10.
10
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