Datasheet

ADS7852
SBAS111C
7
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= +25°C, V
SS
= +5V, f
SAMPLE
= 500kHz, f
CLK
= 16 • f
SAMPLE
, and internal reference, unless otherwise specified.
CHANGE IN GAIN ERROR vs TEMPERATURE
(With External 2.5V Reference)
Temperature (°C)
–50 –25 0 25 50 75 100
Delta from +25°C (LSB)
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
CHANGE IN OFFSET vs TEMPERATURE
Temperature (°C)
–50 –25 0 25 50 75 100
Delta from +25°C (LSB)
1.0
0.8
0.6
0.4
0.2
0.0
–0.2
–0.4
CHANGE IN WORST-CASE CHANNEL-TO-CHANNEL
OFFSET MISMATCH vs TEMPERATURE
Temperature (°C)
–50 –25 0 25 50 75 100
Delta from +25°C (LSB)
0.10
0.05
0.00
–0.05
–0.10
CHANGE IN WORST-CASE CHANNEL-TO-CHANNEL
GAIN MISMATCH vs TEMPERATURE
Temperature (°C)
–50 –25 0 25 50 75 100
Delta from +25°C (LSB)
0.020
0.015
0.010
0.005
0.000
–0.005
–0.010
–0.015
–0.020
CHANGE IN WORST-CASE INTEGRAL LINEARITY
AND DIFFERENTIAL LINEARITY vs SAMPLE RATE
Sample Rate (kHz)
100 200 300 400 500 600 700 800
Delta Relative to f
SAMPLE
= 500kHz (LSB)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
–0.5
–1.0
Delta IL
Delta DL
CHANGE IN WORST-CASE INTEGRAL LINEARITY
AND DIFFERENTIAL LINEARITY vs TEMPERATURE
Temperature (°C)
–50 –25 0 25 50 75 100
Delta from +25°C (LSB)
0.050
0.025
0.000
–0.025
–0.050
Delta DL
Delta IL