ADS7828-Q1
www.ti.com.......................................................................................................................................... SBAS456A –DECEMBER 2008–REVISED OCTOBER 2009
TYPICAL CHARACTERISTICS (continued)
CHANGE IN GAIN vs TEMPERATURE
INTERNAL REFERENCE vs TEMPERATURE
1.5
1.0
2.51875
2.51250
2.50625
2.50000
2.49375
2.48750
2.48125
0.5
0.0
–0.5
–1.0
–1.5
–50
–25
0
25
50
75
100
–50
–25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
POWER-DOWN SUPPLY CURRENT
vs TEMPERATURE
SUPPLY CURRENT vs TEMPERATURE
400
350
300
250
200
150
100
750
600
450
300
150
0
–150
–50
–25
0
25
50
75
100
–50
–25
0
25
50
75
100
125
Temperature (°C)
Temperature (°C)
SUPPLY CURRENT vs I2C BUS RATE
INTERNAL V
vs TURN-ON TIME
REF
100
80
60
40
20
0
300
250
200
150
100
50
No Cap
(42 µs)
12-Bit Settling
1-µF Cap
(1240 µs)
12-Bit Settling
0
0
200
400
600
800
1000
1200
1400
10
100
1k
10k
I2C Bus Rate (kHz)
Turn-On Time (µs)
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