Datasheet

ADS7828
7
SBAS181C
www.ti.com
TYPICAL CHARACTERISTICS
T
A
= +25°C, V
DD
= +2.7V, V
REF
= External +2.5V, f
SAMPLE
= 50kHz, unless otherwise noted.
0.00
–40.00
–80.00
–120.0
Amplitude (dB)
0102025
Frequency (kHz)
FREQUENCY SPECTRUM
(4096 Point FFT: f
IN
= 1kHz, 0dB)
2.00
1.50
1.00
0.50
0.00
–0.50
–1.00
–1.50
–2.00
ILE (LSB)
0 1024 2048 3072 4095
Output Code
INTEGRAL LINEARITY ERROR vs CODE
(2.5V Internal Reference)
2.00
1.50
1.00
0.50
0.00
–0.50
–1.00
–1.50
–2.00
DLE (LSB)
0 1024 2048 3072 4095
Output Code
DIFFERENTIAL LINEARITY ERROR vs CODE
(2.5V Internal Reference)
2.00
1.50
1.00
0.50
0.00
–0.50
–1.00
–1.50
–2.00
ILE (LSB)
0 1024 2048 3072 4095
Output Code
INTEGRAL LINEARITY ERROR vs CODE
(2.5V External Reference)
2.00
1.50
1.00
0.50
0.00
–0.50
–1.00
–1.50
–2.00
DLE (LSB)
0 1024 2048 3072 4095
Output Code
DIFFERENTIAL LINEARITY ERROR vs CODE
(2.5V External Reference)
1.5
1.0
0.5
0.0
–0.5
–1.0
–1.5
Delta from 25°C (LSB)
–50 –25 0 25 50 75 100
Temperature (°C)
CHANGE IN OFFSET vs TEMPERATURE