Datasheet

ADS7844
7
SBAS100A
www.ti.com
SUPPLY CURRENT vs TEMPERATURE
20–40 100–20 0 40
Temperature (˚C)
Supply Current (µA)
400
350
300
250
200
150
100
60 80
POWER DOWN SUPPLY CURRENT
vs TEMPERATURE
20–40 100–20 0 40
Temperature (˚C)
Supply Current (nA)
140
120
100
80
60
40
20
60 80
Output Code
1.00
0.75
0.50
0.25
0.00
–0.25
–0.50
–0.75
–1.00
INTEGRAL LINEARITY ERROR vs CODE
800
H
FFF
H
000
H
ILE (LSB)
Output Code
1.00
0.75
0.50
0.25
0.00
–0.25
–0.50
–0.75
–1.00
DIFFERENTIAL LINEARITY ERROR vs CODE
800
H
FFF
H
000
H
DLE (LSB)
CHANGE IN GAIN vs TEMPERATURE
20–40 100–20 0 40
Temperature (˚C)
Delta from +25˚C (LSB)
0.15
0.10
0.05
0.00
–0.05
–0.10
–0.15
60 80
CHANGE IN OFFSET vs TEMPERATURE
20–40 100–20 0 40
Temperature (˚C)
Delta from +25˚C (LSB)
0.6
0.4
0.2
0.0
–0.2
–0.4
–0.6
60 80
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.