Datasheet

ADS8320
6
SBAS108D
www.ti.com
TYPICAL PERFORMANCE CURVES (Cont.)
At T
A
= +25°C, V
CC
= +2.7V, V
REF
= +2.5V, f
SAMPLE
= 100kHz, and f
CLK
= 24 • f
SAMPLE
, unless otherwise specified.
CHANGE IN OFFSET vs REFERENCE VOLTAGE
6
5
4
3
2
1
0
–1
–2
–3
Change in Offset (LSB)
12345
Reference Voltage (V)
V
CC
= 5V
CHANGE IN OFFSET vs TEMPERATURE
3
2
1
0
−1
−2
−3
Delta from +25 C (LSB)
−50 −250 255075100
Temperature (°C)
5V
2.7V
CHANGE IN GAIN vs REFERENCE VOLTAGE
5
4
3
2
1
0
–1
–2
Change in Gain (LSB)
12345
Reference Voltage (V)
V
CC
= 5V
FREQUENCY SPECTRUM
(8192 Point FFT, F
IN
= 10.120kHz, –0.3dB)
0
–20
–40
–60
–80
–100
–120
–140
Amplitude (dB)
0 102030 4050
Frequency (kHz)
PEAK-TO-PEAK NOISE vs REFERENCE VOLTAGE
10
9
8
7
6
5
4
3
2
1
0
Peak-to-Peak Noise (LSB)
0.1 1 10
Reference Voltage (V)
V
CC
= 5V
CHANGE IN GAIN vs TEMPERATURE
6
4
2
0
–2
–4
–6
Delta from 25°C (LSB)
–50 –25 0 25 50 75 100
Temperature (°C)
5V
2.7V