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SBAS287A − JUNE 2003 − REVISED SEPTEMBER 2003
TYPICAL CHARACTERISTICS
At T = +25°C, AVDD = +5V, DVDD = +3V, f
CLK
= 2.4576MHz, and V = +1.25V, unless otherwise specified.
REF
A
OFFSET vs TEMPERATURE
GAIN vs TEMPERATURE
5
4
3
2
1
0
1.00006
1.00005
1.00004
1.00003
1.00002
1.00001
1.00000
0.99999
0.99998
0.99997
0.99996
0.99995
0.99994
−
1
2
3
4
5
−
−
−
−
−
−
−
5
45
25
15
35
55
75
95
−
−
−
5
45
25
15
35
55
75
95
_
Temperature ( C)
_
Temperature ( C)
Figure 7
Figure 8
NOISE vs TEMPERATURE
NOISE vs INPUT SIGNAL
3.0
2.5
2.0
1.5
1.0
0.5
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
0
−
−
−
−
−
−
5
45
25
15
35
55
75
95
2.5
1.5
0.5
0.5
1.5
2.5
_
VIN (V)
Temperature ( C)
Figure 9
Figure 10
COMMON−MODE REJECTION RATIO
vs FREQUENCY
HISTOGRAM OF OUTPUT DATA
900
160
140
120
100
80
800
700
600
500
400
300
200
100
0
60
40
20
0
1
10
100
1k
10k
100k
ppm of FSR
Frequency (Hz)
Figure 11
Figure 12
5
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