TYPICAL PERFORMANCE CURVES
At T
A
= +25, V
CC
= +5V, V
REF
= +5V, f
SAMPLE
= 12.5kHz, f
CLK
= 16 • f
SAMPLE
, unless otherwise specified.
REFERENCE CURRENT vs SAMPLE RATE
2.5
4.0
3.5
REFERENCE CURRENT vs TEMPERATURE
Reference Current (µA)
Reference Current (µA)
2.0
3.0
2.5
2.0
1.5
1.0
1.5
1.0
0.5
0
0
2
4
6
8
10
12
Sample Rate (kHz)
–55
–40
–25
0
25
70
85
Temperature (°C)
CHANGE IN OFFSET vs REFERENCE VOLTAGE
5
4.5
CHANGE IN OFFSET vs TEMPERATURE
0.6
0.4
Change in Offset (LSB)
3.5
3
2.5
2
1.5
1
0.5
0
1
2
3
Reference Voltage (V)
4
5
Delta from 25°C (LSB)
4
0.2
0
–0.2
–0.4
–0.6
–55
–40
–25
0
25
Temperature (°C)
70
85
CHANGE IN INTEGRAL LINEARITY AND DIFFERENTIAL
LINEARITY vs REFERENCE VOLTAGE
0.10
4
3.5
CHANGE IN GAIN vs REFERENCE VOLTAGE
Delta from +5V Reference (LSB)
0.05
0.00
–0.05
–0.10
–0.15
–0.20
1
2
3
Reference Voltage (V)
4
5
Change in Integral
Linearity (LSB)
Change in Differential
Linearity (LSB)
Change in Gain (LSB)
3
2.5
2
1.5
1
0.5
0
1
2
3
Reference Voltage (V)
4
5
®
ADS1286
4
BURR-BROWN [ BURR-BROWN CORPORATION ]
