TYPICAL CHARACTERISTICS
At TA = +25°C, +VDD = +2.7V, VREF = External +2.5V, fSAMPLE = 50kHz, unless otherwise noted.
FREQUENCY SPECTRUM
(4096 Point FFT, fIN = 1kHz, 0dB)
INTEGRAL LINEARITY ERROR vs CODE (+25°C)
1.00
0
0.75
0.50
–40
0.25
0
–0.25
–80
–0.50
–0.75
–1.00
000H
–120
800H
FFFH
0
10
20
25
Hex Code
Frequency (kHz)
DIFFERENTIAL LINEARITY ERROR vs CODE (+25°C)
CHANGE IN OFFSET vs TEMPERATURE
1.00
0.75
0.50
0.25
0
1.5
1.0
0.5
0
–0.25
–0.50
–0.75
–1.00
–0.5
–1.0
–1.5
000H
800H
FFFH
–50
–25
0
25
50
75
100
Hex Code
Temperature (°C)
CHANGE IN GAIN vs TEMPERATURE
SUPPLY CURRENT vs TEMPERATURE
1.5
400
350
300
250
200
150
100
1.0
0.5
0
–0.5
–1.0
–1.5
–50
–25
0
25
50
75
100
–50
–25
0
25
50
75
100
Temperature (°C)
Temperature (°C)
ADS7823
SBAS180B
6
BB [ BURR-BROWN CORPORATION ]
