Datasheet

AD7392/AD7393
Rev. C | Page 8 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0 512 1024 1536 2048 2560 3072 3584 4096
AD7392
01121-008
CODE (Decimal)
INL (LSB)
V
DD
= 2.7V
V
REF
= 2.5V
T
A
= 25°C
Figure 5. AD7392 Integral Nonlinearity Error vs. Code
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
AD7393
01121-009
CODE (Decimal)
INL (LSB)
V
DD
= 2.7V
V
REF
= 2.5V
T
A
= 25°C
0 128 256 384 512 640 768 896 1024
Figure 6. AD7393 Integral Nonlinearity Error vs. Code
25
0
5
10
15
20
5.0 5.8 6.6 7.3 8.1 8.9 9.7 10.5 11.2 12.0
01121-010
TOTAL UNADJUSTED ERROR (LSB)
FREQUENCY
AD7392
SS = 100 UNITS
V
DD
= 2.7V
V
REF
= 2.5V
T
A
= 25°C
Figure 7. AD7392 Total Unadjusted Error Histogram
100
90
80
70
60
50
40
30
20
10
0
–10 –3.3 3.3 10 16 23 30 36 43 50
01121-011
TOTAL UNADJUSTED ERROR (LSB)
FREQUENCY
AD7393
SS = 300 UNITS
V
DD
= 2.7V
V
REF
= 2.5V
T
A
= 25°C
Figure 8. AD7393 Total Unadjusted Error Histogram
30
24
18
12
6
0
–66 0–6–12–20–26–32–40–46–52–60
01121-012
FULL-SCALE TEMPERATURE COEFFICIENT (ppm/°C)
FREQUENCY
AD7393
SS = 100 UNITS
V
DD
= 2.7V
V
REF
= 2.5V
T
A
= –40°C TO +85°C
Figure 9. AD7393 Full-Scale Output Temperature Coefficient Histogram
16
14
12
10
8
6
4
2
0
1 10 100 1k 10k 100k
01121-013
FREQUENCY (Hz)
OUTPUT VOLTAGE NOISE (µV/ Hz)
AD7392
V
DD
= 5V
V
REF
= 2.5V
T
A
= 25°C
Figure 10. Voltage Noise Density vs. Frequency