參數(shù)資料
型號: ADS5500
英文描述: 14-Bit, 80MSPS Analog-to-Digital Converter
中文描述: 14位,80Msps模擬到數(shù)字轉(zhuǎn)換器
文件頁數(shù): 13/30頁
文件大?。?/td> 401K
代理商: ADS5500
SBAS308A MAY 2004 REVISED MARCH 2005
www.ti.com
13
TYPICAL CHARACTERISTICS
Typical values at T
A
= +25
°
C, full temperature range is T
MIN
= 40
°
C to T
MAX
= +85
°
C, AV
DD
= DRV
DD
= 3.3V, sampling rate = 80MSPS,
50% clock duty cycle, 3V
PP
differential clock, and 1dBFS differential input, unless otherwise noted.
Figure 5
SPECTRAL PERFORMANCE
(FFT for 4MHz Input Signal)
0
20
40
60
80
100
120
M
f
Frequency
MHz
0
5
15
25
35
10
20
30
40
SFDR = 92.1dBc
SNR = 74.0dBFS
THD = 88.4dBc
SINAD = 73.9dBFS
Figure 6
SPECTRAL PERFORMANCE
(FFT for 16MHz Input Signal)
0
20
40
60
80
100
120
0
5
15
25
35
10
20
30
40
SFDR = 92.0dBc
SNR = 73.6dBFS
THD = 88.2dBc
SINAD = 73.5dBFS
M
f
Frequency
MHz
Figure 7
SPECTRAL PERFORMANCE
(FFT for 55MHz Input Signal)
0
20
40
60
80
100
120
0
5
15
25
35
10
20
30
40
SFDR = 87.5dBc
SNR = 73.6dBFS
THD = 83.4dBc
SINAD = 73.2dBFS
M
f
Frequency
MHz
Figure 8
SPECTRAL PERFORMANCE
(FFT for 70MHz Input Signal)
0
20
40
60
80
100
120
M
f
Frequency
MHz
0
5
15
25
35
10
20
30
40
SFDR = 89.3dBc
SNR = 73.4dBFS
THD = 86.8dBc
SINAD = 73.2dBFS
Figure 9
SPECTRAL PERFORMANCE
(FFT for 100MHz Input Signal)
0
20
40
60
80
100
120
0
5
15
25
35
10
20
30
40
SFDR = 87.2dBc
SNR = 72.8dBFS
THD = 83.4dBc
SINAD = 72.5dBFS
M
f
Frequency
MHz
Figure 10
SPECTRAL PERFORMANCE
(FFT for 125MHz Input Signal)
0
20
40
60
80
100
120
0
5
15
25
35
10
20
30
40
SFDR = 83.9dBc
SNR = 72.7dBFS
THD = 81.5dBc
SINAD = 72.2dBFS
M
f
Frequency
MHz
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ADS5521 14-Bit, 80MSPS Analog-to-Digital Converter
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