TYPICAL CHARACTERISTICS
TA = +25°C, VDD = +2.7V, VREF = External +2.5V, fSAMPLE = 50kHz, unless otherwise noted.
INTEGRAL LINEARITY ERROR vs CODE
(2.5V Internal Reference)
FFT vs FREQUENCY
0.5
0
−20
0.4
0.3
0.2
0.1
−40
0
−0.1
−0.2
−0.3
−0.4
−0.5
−60
−80
−100
0
10
20
25
0
64
128
192
255
Frequency (kHz)
Output Code
DIFFERENTIAL LINEARITY ERROR vs CODE
(2.5V Internal Reference)
INTEGRAL LINEARITY ERROR vs CODE
(2.5V External Reference)
0.5
0.4
0.5
0.4
0.3
0.3
0.2
0.2
0.1
0.1
0
0
−0.1
−0.2
−0.3
−0.4
−0.5
−0.1
−0.2
−0.3
−0.4
−0.5
0
64
128
192
255
0
64
128
192
255
Output Code
Output Code
DIFFERENTIAL LINEARITY ERROR vs CODE
(2.5V External Reference)
CHANGE IN OFFSET vs TEMPERATURE
0.10
0.05
0
0.5
0.4
0.3
0.2
0.1
0
−0.1
−0.2
−0.3
−0.4
−0.5
−0.05
−0.10
−50
−25
0
25
50
75
100
0
64
128
192
255
Output Code
Temperature (°C)
ADS7830
7
www.ti.com
SBAS302
BB [ BURR-BROWN CORPORATION ]
