Datasheet

ADS1251
5
SBAS184D
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= +25°C, V
DD
= +5V, CLK = 8MHz, and V
REF
= 4.096, unless otherwise specified.
2.0
1.5
1.0
0.5
0
Input Voltage (V)
–5 –4 –3 –2 –10 1 2 3 4 5
RMS Noise (ppm of FS)
RMS NOISE vs INPUT VOLTAGE
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
INTEGRAL NONLINEARITY vs TEMPERATURE
Temperature (°C)
–40 –20 0 20 40 60 80 100
INL (ppm of FS)
5
4
3
2
1
0
INTEGRAL NONLINEARITY vs DATA OUTPUT RATE
Data Output Rate (Hz)
100 1k 10k 100k
INL (ppm of FS)
40
35
30
25
20
15
10
5
0
OFFSET vs TEMPERATURE
Temperature (°C)
–40 –20 0 20 40 60 80 100
Offset (ppm of FS)
650
625
600
575
550
525
500
GAIN ERROR vs TEMPERATURE
Temperature (°C)
–40 –20 0 20 40 60 80 100
Gain Error (ppm of FS)
–60
–65
–70
–75
–80
–85
–90
–95
–100
POWER-SUPPLY REJECTION RATIO
vs CLK FREQUENCY
Clock Frequency (MHz)
12345678
PSRR (dB)