TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25°C, VSS = +5V, fSAMPLE = 500kHz, fCLK = 16 • fSAMPLE, and internal reference, unless otherwise specified.
CHANGE IN GAIN ERROR vs TEMPERATURE
(With External 2.5V Reference)
CHANGE IN OFFSET vs TEMPERATURE
0.5
0.4
1.0
0.8
0.3
0.6
0.2
0.1
0.4
0
0.2
–0.1
–0.2
–0.3
–0.4
–0.5
0.0
–0.2
–0.4
–50
–50
100
–25
0
25
50
75
100
100
800
–50
–50
–50
–25
0
25
50
75
100
100
100
Temperature (°C)
Temperature (°C)
CHANGE IN WORST-CASE CHANNEL-TO-CHANNEL
OFFSET MISMATCH vs TEMPERATURE
CHANGE IN WORST-CASE CHANNEL-TO-CHANNEL
GAIN MISMATCH vs TEMPERATURE
0.10
0.05
0.020
0.015
0.010
0.005
0.00
0.000
–0.005
–0.010
–0.015
–0.020
–0.05
–0.10
–25
0
25
50
75
–25
0
25
50
75
Temperature (°C)
Temperature (°C)
CHANGE IN WORST-CASE INTEGRAL LINEARITY
AND DIFFERENTIAL LINEARITY vs TEMPERATURE
CHANGE IN WORST-CASE INTEGRAL LINEARITY
AND DIFFERENTIAL LINEARITY vs SAMPLE RATE
0.050
0.025
3.0
2.5
Delta IL
2.0
1.5
0.000
1.0
Delta IL
0.5
–0.025
–0.050
Delta DL
0.0
Delta DL
–0.5
–1.0
–25
0
25
50
75
200
300
400
500
600
700
Temperature (°C)
Sample Rate (kHz)
®
7
ADS7852
BB [ BURR-BROWN CORPORATION ]
