Datasheet


SBAS124C − DECEMBER 1999 − REVISED DECEMBER 2005
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7
TYPICAL PERFORMANCE CURVES
†
Figure 1
0
−5
−10
−60 −40 −20 0 20 40 60
− Gain Error − LSB
5
10
GAIN ERROR
vs
FREE-AIR TEMPERATURE
15
80 100 120 140
T
A
− Free-Air Temperature − °C
Gain = 20
Gain = 8
Gain = 1
E
G
Figure 2
4
2
−2
−4
−60 −40 −20 0 20 40 60
− Output Offset Error − LSB
6
8
OUTPUT OFFSET ERROR
vs
FREE-AIR TEMPERATURE
10
80 100 120 140
0
T
A
− Free-Air Temperature − °C
Gain = 20
Gain = 8
Gain = 1
E
O
Figure 3
−0.2
−0.4
−0.8
−1
−60 −40 −20 0 20 40 60
Voltage Reference Error − %
0
0.2
VOLTAGE REFERENCE ERROR
vs
FREE-AIR TEMPERATURE
0.4
80 100 120 140
−0.6
T
A
− Free-Air Temperature − °C
3 Sigma
V
REF
−3 Sigma
V
REF
= 2.048 V or 2.5 V
Figure 4
T
A
− Free-Air Temperature − °C
2.40
2.35
2.25
2.20
−60 −40 −20 0 20 40 60
Internal Oscillator Frequency − MHz
2.45
2.50
INTERNAL OSCILLATOR FREQUENCY
vs
FREE-AIR TEMPERATURE
2.55
80 100 120 140
2.30
3 Sigma
Avg
−3 Sigma
†
At T
A
= 25°C, V
DD
= 5 V, V
REF
= 2.5 V connected to BUFIN (using internal reference), 2.5 MHz CCLK, and 2.5 MHz SCLK (unless otherwise noted)