TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25°C, VCC = +2.7V, VREF = +2.5V, fSAMPLE = 75kHz, fCLK = 16 • fSAMPLE, unless otherwise specified.
CHANGE IN OFFSET vs TEMPERATURE
CHANGE IN OFFSET vs REFERENCE VOLTAGE
0.6
0.4
1.2
1.0
VCC = 5V
0.8
0.6
0.2
0.4
0
0.2
0.0
–0.2
–0.4
–0.6
–0.2
–0.4
–0.6
–0.8
–50
–25
0
25
50
75
100
100
10
1
2
3
4
5
Temperature (°C)
Reference Voltage (V)
CHANGE IN GAIN vs REFERENCE VOLTAGE
VCC = 5V
CHANGE IN GAIN vs TEMPERATURE
2.5
2.0
0.15
0.1
1.5
0.05
0
1.0
0.5
0.0
–0.05
–0.1
–0.15
–0.5
–1.0
–1.5
–50
–25
0
25
50
75
1
2
3
4
5
Reference Voltage (V)
Temperature (°C)
EFFECTIVE NUMBER OF BITS
vs REFERENCE VOLTAGE
PEAK-TO-PEAK NOISE vs REFERENCE VOLTAGE
VCC = 5V
12
11.75
11.5
11.25
11
10
9
8
7
6
5
4
3
2
1
0
VCC = 5V
10.75
10.5
10.25
10
0.1
1
10
0.1
1
Reference Voltage (V)
Reference Voltage (V)
®
ADS7822
5
BB [ BURR-BROWN CORPORATION ]
