Datasheet

1 10 100 1k
Frequency(Hz)
0
-20
-40
-60
-80
-100
-120
-140
-160
-180
Amplitude(dB)
10k 100k
High-ResolutionMode
ShortedInput
262,144Points
-24.5
-21.0
-17.5
-14.0
-10.5
-7.0
-3.5
0
3.5
7.0
10.5
14.0
17.5
21.0
24.5
Output( V)m
25k
20k
15k
10k
5k
0
NumberofOccurrences
High-ResolutionMode
ShortedInput
262,144Points
10 100 1k
Frequency(Hz)
0
-20
-40
-60
-80
-100
-120
-140
-160
Amplitude(dB)
10k 100k
Low-PowerMode
f =1kHz, 0.5dBFS-
IN
32,768Points
10 100 1k
Frequency(Hz)
0
-20
-40
-60
-80
-100
-120
-140
-160
Amplitude(dB)
10k 100k
Low-PowerMode
f =1kHz, 20dBFS-
IN
32,768Points
1 10 100 1k
Frequency(Hz)
0
-20
-40
-60
-80
-100
-120
-140
-160
-180
Amplitude(dB)
10k 100k
Low-PowerMode
ShortedInput
262,144Points
-37
-32
-26
-21
-16
-11
-5
0
5
11
16
21
26
32
37
Output( V)m
25k
20k
15k
10k
5k
0
NumberofOccurrences
Low-PowerMode
ShortedInput
262,144Points
ADS1274
ADS1278
www.ti.com SBAS367F –JUNE 2007– REVISED FEBRUARY 2011
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, High-Speed mode, AVDD = +5V, DVDD = +1.8V, IOVDD = +3.3V, f
CLK
= 27MHz, VREFP = 2.5V, and
VREFN = 0V, unless otherwise noted.
OUTPUT SPECTRUM NOISE HISTOGRAM
Figure 7. Figure 8.
OUTPUT SPECTRUM OUTPUT SPECTRUM
Figure 9. Figure 10.
OUTPUT SPECTRUM NOISE HISTOGRAM
Figure 11. Figure 12.
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Product Folder Link(s): ADS1274 ADS1278