參數(shù)資料
型號: ADS944
廠商: Electronic Theatre Controls, Inc.
元件分類: 串行ADC
英文描述: 14-Bit, 5MHz Sampling A/D Converters
中文描述: 14位,5MHz的采樣A / D轉換器
文件頁數(shù): 6/8頁
文件大?。?/td> 172K
代理商: ADS944
ADS -944
6
1
10
100
1000
10000
Frequency (kHz)
P
90
80
70
60
50
40
30
20
10
0
1
10
100
1000
10000
Frequency (kHz)
S
80
70
60
50
40
30
20
10
0
1
10
100
1000
10000
Frequency (kHz)
S
80
70
60
50
40
30
20
10
0
1
10
100
1000
10000
Frequency (kHz)
T
90
80
70
60
50
40
30
20
10
0
PH vs. Input Frequency
SNR vs. Input Frequency
SNR+D vs. Input Frequency
THD vs. Input Frequency
Figure 4. Typical ADS-944 Dynamic Performance vs. Input Frequency at +25°C
Figure 5. ADS-944 FFT
Figure 6. ADS-944 Histogram and Differential Nonlinearity
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
0
250
kHz
500
kHz
750
kHz
1
1.25
MHz
1.5
MHz
1.75
MHz
2.0
MHz
2.25
MHz
2.5
MHz
MHz
Frequency
(fin = 2.45MHz, fs = 5MHz, Vin = –0.5dB, 16,384 points)
A
0
N
Digital Output Code
0
16,384
+0.33
0
–0.55
16,384
DNL (LSB's)
Digital Output Code
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