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SBAS141A – SEPTEMBER 2000 – REVISED MARCH 2005
TYPICAL CHARACTERISTICS (continued)
All specifications T
A
= +25°C, +V
A
= +V
D
= +5V, V
REF
= internal +2.5V and f
CLK
= 8MHz, f
SAMPLE
= 500kHz (unless otherwise
noted)
CHANGE IN SPURIOUS FREE DYNAMIC RANGE
AND TOTAL HARMONIC DISTORTION
vs TEMPERATURE
THD and SFDR Delta from +25_ C (dB)
1.0
Change in Positive Gain Match (LSB)
1.80
THD
0.5
1.70
1.60
1.50
1.40
1.30
1.20
−40
POSITIVE GAIN MATCH vs TEMPERATURE
(Maximum Deviation for All Six Channels)
0.0
−0.5
SFDR
−1.0
−40
−20
0
20
40
60
80
−20
0
20
40
60
80
Temperature (_C)
Temperature (_ C)
Figure 5.
NEGATIVE GAIN MATCH vs TEMPERATURE
(Maximum Deviation for All Six Channels)
Change in Negative Gain Match (LSB)
1.50
2.510
Figure 6.
REFERENCE VOLTAGE vs TEMPERATURE
1.40
Reference (V)
−20
2.506
1.30
2.502
1.20
2.498
1.10
2.494
1.00
−40
0
20
40
60
80
2.490
−40
−20
0
20
40
60
80
Temperature (_C)
Temperature (_ C)
Figure 7.
BIPOLAR ZERO vs TEMPERATURE
1.2
1.30
Figure 8.
BIPOLAR ZERO MATCH vs TEMPERATURE
0.8
Bipolar Match (LSB)
Bipolar Zero (LSB)
1.0
1.20
CH1
CH0
1.10
0.6
1.00
0.4
−40
−20
0
20
40
60
80
0.90
−40
−20
0
20
40
60
80
Temperature (_C)
Temperature (_ C)
Figure 9.
8
Figure 10.
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