Datasheet

300
250
200
150
100
50
0
Supply Current ( A)m
10 100 1k 10k
I C Bus Rate (KHz)
2
0 200 400 600 800 1000 1200 1400
Turn-On Time ( s)
m
Internal V (%)
REF
100
80
60
40
20
0
No Cap
(37 s)
8-Bit Settling
m
1 F Capm
m(930 s)
8-Bit Settling
750
600
450
300
150
0
-150
Supply Current (nA)
-50 -25 0 25 50 75 100 125
Temperature ( C)
°
400
350
300
250
200
150
100
Supply Current ( A)m
-50 -25 0 25 50 75 100
Temperature ( C)
°
0.10
0.05
0
-0.05
-0.10
Delta from 25 C (LSB)°
-50 -25 0 25 50 75 100
Temperature ( C)°
2.51875
2.51250
2.50625
2.50000
2.49375
2.48750
2.48125
Internal Reference (V)
-50 -25 0 25 50 75 100
Temperature ( C)
°
ADS7830
SBAS302C –DECEMBER 2003–REVISED OCTOBER 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, V
DD
= +2.7V, V
REF
= External +2.5V, and f
SAMPLE
= 50kHz, unless otherwise noted.
CHANGE IN GAIN vs TEMPERATURE INTERNAL REFERENCE vs TEMPERATURE
Figure 7. Figure 8.
POWER-DOWN SUPPLY CURRENT
vs TEMPERATURE SUPPLY CURRENT vs TEMPERATURE
Figure 9. Figure 10.
SUPPLY CURRENT vs I
2
C BUS RATE INTERNAL V
REF
vs TURN-ON TIME
Figure 11. Figure 12.
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