ADS1274
ADS1278
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SBAS367–JUNE 2007
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, High-Speed mode, AVDD = +5V, DVDD = +1.8V, IOVDD = +3.3V, fCLK = 27MHz, VREFP = 2.5V, and
VREFN = 0V, unless otherwise noted.
ADS1278 IOVDD CURRENT
vs TEMPERATURE
ADS1278 POWER DISSIPATION
vs TEMPERATURE
0.5
0.4
0.3
0.2
0.1
0
800
700
600
500
400
300
200
100
0
High-Speed Mode
High-Speed Mode
High-Resolution Mode
Low-Power Mode
Low-Power Mode
Low-Speed Mode
High-Resolution Mode
Low-Speed Mode
-40 -20
0
20
40
60
80
100 120 125
-40 -20
0
20
40
60
80
100 120 125
Temperature (°C)
Temperature (°C)
Figure 55.
Figure 56.
19
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