Datasheet

ADS1252
4
SBAS127D
www.ti.com
TYPICAL CHARACTERISTICS
At T
A
= +25°C, V
DD
= +5V, CLK = 16MHz, and V
REF
= 4.096V, unless otherwise specified.
RMS NOISE vs DATA OUTPUT RATE
Data Output Rate (Hz)
1k100 10k 100k
RMS Noise (ppm of FS)
3.0
2.5
2.0
1.5
1.0
0.5
0
3.0
2.5
2.0
1.5
1.0
0.5
0
RMS NOISE vs TEMPERATURE
Temperature (°C)
–40 –20 0 20 40 60 80 100
RMS Noise (ppm of FS)
10
9
8
7
6
5
4
3
2
1
0
V
REF
(V)
012 34 65
RMS Noise (ppm of FS)
RMS NOISE vs V
REF
VOLTAGE
19.50
19.25
19.00
18.75
18.5
EFFECTIVE RESOLUTION vs DATA OUTPUT RATE
Data Output Rate (Hz)
100 1k 10k 100k
Effective Resolution (bits)
19.0
18.9
18.8
18.7
18.6
18.5
18.4
18.3
18.2
18.1
18.0
EFFECTIVE RESOLUTION vs TEMPERATURE
Temperature (°C)
–40 –20 0 20 40 60 80 100
Effective Resolution (bits)
25
20
15
10
5
0
V
REF
(V)
012 34 65
RMS Noise (µV)
RMS NOISE vs V
REF
VOLTAGE