Datasheet

ADS1217
SBAS260C
9
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
AV
DD
= +5V, DV
DD
= +5V, f
OSC
= 2.4576MHz, PGA = 1, R
DAC
= 150kΩ, f
DATA
= 10Hz, and V
REF
= +2.5V, unless otherwise specified.
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
NOISE vs INPUT SIGNAL
V
IN
(V)
–5 –3–4102–1–2345
Noise (rms, ppm of FS)
130
120
110
100
90
80
70
60
50
40
30
20
10
0
COMMON-MODE REJECTION RATIO vs FREQUENCY
Frequency of CM Signal (Hz)
1 10 100 1k 10k 100k
CMRR (dB)
120
110
100
90
80
70
60
50
40
30
20
10
0
POWER-SUPPLY REJECTION RATIO vs FREQUENCY
Frequency of Power Supply (Hz)
110 1k100 10k 100k
PSRR (dB)
1.00010
1.00006
1.00002
0.99998
0.99994
0.99990
0.99986
GAIN vs TEMPERATURE
Temperature (°C)
–50 –30 10–10 30 50 70 90
Gain (Normalized)
140
120
100
80
60
40
20
0
–20
–40
OFFSET vs TEMPERATURE
Offset (ppm of FS)
Temperature (°C)
–50 0 50 100
PGA128
PGA16
PGA64
PGA1
6
4
2
0
–2
–4
–6
INTEGRAL NONLINEARITY vs INPUT SIGNAL
V
IN
(V)
–5 –4 –2 –1–3 012345
INL (ppm of FS)
+25°C
–40°C
+85°C