TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25°C, VD = VS = +5V, CLK = 9.6MHz, PGA = 1, and VREF = 4.096, unless otherwise specified.
OFFSET DRIFT vs TEMPERATURE
GAIN DRIFT vs TEMPERATURE
30
20
400
200
0
PGA = 1
PGA = 4
PGA = 2
10
PGA = 2
PGA = 4
PGA = 8
PGA = 1
PGA = 4
PGA = 1
PGA = 8
0
PGA = 8
PGA = 8
PGA = 4
–10
–20
–30
–200
–400
PGA = 2
–20
PGA = 2
PGA = 1
–60
–40
–20
0
20
40
60
80
100
–60
–40
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
COMMON-MODE REJECTION RATIO
vs FREQUENCY
POWER SUPPLY REJECTION RATIO
vs FREQUENCY
120
115
110
105
100
100
90
80
70
60
PGA = 8
PGA = 1
PGA = 4
PGA = 2
PGA = 2
PGA = 4
PGA = 1
PGA = 8
1
10
100
1000
1
10
100
1k
10k
Frequency (Hz)
Frequency (Hz)
ANALOG CURRENT vs TEMPERATURE
(PGA = 1)
DIGITAL CURRENT vs TEMPERATURE
(PGA = 1)
20.0
18.0
16.0
14.0
12.0
10.0
8.0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
6.0
4.0
2.0
0.0
–60
–40
–20
0
20
40
60
80
100
–60
–40
–20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
®
ADS1250
6
BB [ BURR-BROWN CORPORATION ]
