TYPICAL CHARACTERISTICS
At T
A
= +25°C, +V
CC
= +2.7V, V
REF
= External +2.5V, f
SAMPLE
= 125kHz, and f
CLK
= 16 • f
SAMPLE
= 2MHz, unless otherwise noted.
SUPPLY CURRENT vs TEMPERATURE
400
350
140
120
Supply Current (nA)
POWER-DOWN SUPPLY CURRENT
vs TEMPERATURE
Supply Current (µA)
300
250
200
150
100
–40
–20
0
20
40
60
80
100
Temperature (°C)
100
80
60
40
20
–40
–20
0
20
40
60
80
100
Temperature (°C)
SUPPLY CURRENT vs +V
CC
390
370
f
SAMPLE
= 12.5kHz
MAXIMUM SAMPLE RATE vs +V
CC
1M
Supply Current (µA)
Sample Rate (Hz)
350
330
310
290
270
250
2.0
2.5
3.0
3.5
+V
CC
(V)
4.0
4.5
5.0
100k
10k
1k
2.0
2.5
3.0
3.5
+V
CC
(V)
4.0
4.5
5.0
CHANGE IN GAIN vs TEMPERATURE
CHANGE IN OFFSET vs TEMPERATURE
0.6
0.4
Delta from +25°C (LSB)
0.15
0.10
Delta from +25°C (LSB)
0.05
0
–0.05
–0.10
–0.15
–40
–20
0
20
40
0.2
0
–0.2
–0.4
–0.6
60
80
100
–40
–20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
ADS7846
SBAS125H
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5
BURR-BROWN [ BURR-BROWN CORPORATION ]
