Datasheet

10 100 1k
Frequency(Hz)
0
-20
-40
-60
-80
-100
-120
-140
-160
Amplitude(dB)
10k 100k
High-Speed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
High-Speed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
High-SpeedMode
ShortedInput
262,144Points
-35 -28 -21 -14
-7
0 7
14 21 28 35
Output( V)m
25k
20k
15k
10k
5k
0
NumberofOccurrences
High-SpeedMode
ShortedInput
262,144Points
10 100 1k
Frequency(Hz)
0
-20
-40
-60
-80
-100
-120
-140
-160
Amplitude(dB)
10k 100k
High-Resolution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
High-ResolutionMode
f =1kHz, 20dBFS-
IN
32,768Points
ADS1274
ADS1278
SBAS367F –JUNE 2007–REVISED FEBRUARY 2011 www.ti.com
TYPICAL CHARACTERISTICS
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 OUTPUT SPECTRUM
Figure 1. Figure 2.
OUTPUT SPECTRUM NOISE HISTOGRAM
Figure 3. Figure 4.
OUTPUT SPECTRUM OUTPUT SPECTRUM
Figure 5. Figure 6.
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Product Folder Link(s): ADS1274 ADS1278