TYPICAL PERFORMANCE CURVES:+2.7V
(CONT)
At T
A
= +25°C, +V
CC
= +2.7V, V
REF
= +2.5V, f
SAMPLE
= 125kHz, and f
CLK
= 16 • f
SAMPLE
= 2MHz, unless otherwise noted.
SUPPLY CURRENT vs TEMPERATURE
400
350
Supply Current (µA)
140
120
POWER DOWN SUPPLY CURRENT
vs TEMPERATURE
300
250
200
150
100
–40
–20
0
20
40
60
80
100
Temperature (˚C)
Supply Current (nA)
100
80
60
40
20
–40
–20
0
20
40
60
80
100
Temperature (˚C)
INTEGRAL LINEARITY ERROR vs CODE
1.00
0.75
0.50
ILE (LSB)
1.00
0.75
0.50
DIFFERENTIAL LINEARITY ERROR vs CODE
0.25
0.00
–0.25
–0.50
–0.75
–1.00
000
H
DLE (LSB)
800
H
Output Code
FFF
H
0.25
0.00
–0.25
–0.50
–0.75
–1.00
000
H
800
H
Output Code
FFF
H
CHANGE IN GAIN vs TEMPERATURE
0.15
0.10
CHANGE IN OFFSET vs TEMPERATURE
0.6
0.4
Delta from +25˚C (LSB)
0.05
0.00
–0.05
–0.10
–0.15
–40
–20
0
20
40
60
80
100
Temperature (˚C)
Delta from +25˚C (LSB)
0.2
0.0
–0.2
–0.4
–0.6
–40
–20
0
20
40
60
80
100
Temperature (˚C)
®
7
ADS7844
BURR-BROWN [ BURR-BROWN CORPORATION ]
