Datasheet

ADS1252
5
SBAS127D
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= +25°C, V
DD
= +5V, CLK = 16MHz, and V
REF
= 4.096V, unless otherwise specified.
4
3
2
1
0
INTEGRAL NON-LINEARITY vs DATA OUTPUT RATE
Data Output Rate (Hz)
100 1k 10k 100k
INL (ppm of FS)
10
8
6
4
2
0
–2
–4
–6
–8
–10
OFFSET DRIFT vs TEMPERATURE
Offset Drift (ppm of FS)
Temperature (°C)
–40 –20 0 20 40 60 80 100
–40 –20 0 20 40 60 80
100
800
600
400
200
0
–200
–400
GAIN DRIFT vs TEMPERATURE
Temperature (°C)
Drift (ppm)
CLK = 16MHz
CLK < 10MHz
CLK = 14.3MHz
CLK < 10MHz
CLK = 16MHz
3.0
2.5
2.0
1.5
1.0
0.5
0
RMS NOISE vs INPUT VOLTAGE
Differential Input Voltage (V)
RMS Noise (ppm of FS)
–4–5 –3 –2 –10 1 2 3 4 5
–40 –20 0 20 40 60 80
100
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
INTEGRAL NON-LINEARITY vs TEMPERATURE
Temperature (°C)
INL (ppm of FS)
19.00
18.50
18.00
17.50
17.00
16.50
V
REF
(V)
012 34 65
Effective Resolution (Bits)
EFFECTIVE RESOLUTION vs V
REF