Datasheet

ADS1254
5
SBAS213B
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= +25°C, AV
DD
= +5V, DV
DD
= +1.8V, 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
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)
600
580
560
540
520
500
480
GAIN ERROR vs TEMPERATURE
Temperature (°C)
–60 –40 –20 0 20 40 60 80 100
Gain Error (ppm of FS)
–0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
PSR vs CLK FREQUENCY
Clock Frequency (MHz)
12345678
PSR (dB)
20
18
16
14
12
10
8
6
4
2
0
OFFSET vs TEMPERATURE
Temperature (°C)
–40 –20 0 20 40 60 80 100
DC Offset (ppm of FS)
6
5
4
3
2
1
0
INTEGRAL NONLINEARITY vs DATA OUTPUT RATE
Data Output Rate (Hz)
100 1k 10k 100k
INL (ppm of FS)