Datasheet

ADS7817
4
SBAS066A
TIMING CHARACTERISTICS
At T
A
= +25°C, V
CC
= +5V, V
REF
= +2.5V, f
SAMPLE
= 200kHz, and f
CLK
= 16 • f
SAMPLE
, –In = +2.5V, unless otherwise specified.
CHANGE IN OFFSET vs REFERENCE VOLTAGE
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
Change in Offset (LSB)
1.0 1.25 1.5 1.75 2.252.0 2.5
Reference Voltage (V)
CHANGE IN GAIN vs REFERENCE VOLTAGE
4
3.5
3
2.5
2
1.5
1
0.5
0
Change in Gain (LSB)
Reference Voltage (V)
1.0 1.25 1.5 1.75 2.252.0 2.5
CHANGE IN OFFSET vs TEMPERATURE
1.2
0.8
0.4
0.0
–0.4
–0.8
–1.2
Delta from 25°C (LSB)
–50 –25 0 25 50 75 100
Temperature (°C)
CHANGE IN GAIN vs TEMPERATURE
0.15
0.1
0.05
0
–0.05
–0.1
–0.15
Delta from 25°C (LSB)
–50 –25 0 25 50 75 100
Temperature (°C)
12.0
11.5
11.0
10.5
10.0
9.5
9.0
EFFECTIVE NUMBER OF BITS
vs REFERENCE VOLTAGE
Reference Voltage
0.1 1 10
Effective Number of Bits
18
15
12
9
6
3
0
PEAK-TO-PEAK NOISE vs REFERENCE VOLTAGE
Reference Voltage
0.1 1 10
Peak-to-Peak Noise (LSB)