AD7393(RevA) Просмотр технического описания (PDF) - Analog Devices
Номер в каталоге
Компоненты Описание
производитель
AD7393 Datasheet PDF : 11 Pages
| |||
Typical Performance Characteristics–AD7392/AD7393
1
AD7392
0.8
0.6
0.4
VDD = 2.7V
VREF = 2.5V
TA = 25؇C
0.2
0
–0.2
–0.4
–0.6
–0.8
–1
0 512 1024 1536 2048 2560 3072 3584 4096
CODE – Decimal
Figure 5. AD7392 Integral Nonlinear-
ity Error vs. Code
1
AD7393
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
VDD = 2.7V
VREF = 2.5V
TA = 25؇C
–1
0 128 256 384 512 640 768 896 1024
CODE – Decimal
Figure 6. AD7393 Integral Nonlinear-
ity Error vs. Code
25
AD7392
SS = 100 UNITS
20 TA = 25؇C
VDD = 2.7V
VREF = 2.5V
15
10
5
0
5.0 5.8 6.6 7.3 8.1 8.9 9.7 10.5 11.2 12.0
TOTAL UNADJUSTED ERROR – LSB
Figure 7. AD7392 Total Unadjusted
Error Histogram
100
AD7393
90
SS = 300 UNITS
80
TA = 25؇C
VDD = 2.7V
70
VREF = 2.5V
60
50
40
30
20
10
0
–10 –3.3 3.3 10 16 23 30 36 43 50
TOTAL UNADJUSTED ERROR – LSB
Figure 8. AD7393 Total Unadjusted
Error Histogram
30
AD7393
SS = 100 UNITS
24 TA = ؊40؇ to 85؇C
VDD = 2.7V
VREF = 2.5V
18
12
6
0
–66 –60 –52 –46 –40 –32 –26 –20 –12 –6 0
FULL SCALE TEMPCO – ppm/؇C
Figure 9. AD7393 Full-Scale Output
Tempco Histogram
16
AD7392
14
VDD = 5V
VREF = 2.5V
12
TA = 25؇C
10
8
6
4
2
0
1
10
100
1k
10k 100k
FREQUENCY – Hz
Figure 10. Voltage Noise Density vs.
Frequency
100
AD7392
95 TA = 25؇C
90 VDD = 3.0V
85
VLOGIC FROM
0V TO 3.0V
80
75 VLOGIC FROM
70 3.0V TO 0V
65
60
55
50
0.0 0.5 1.0 1.5 2.0 2.5 3.0
VIN – Volts
Figure 11. Supply Current vs. Logic
Input Voltage
5.0
AD7392
4.5 CODE = FFFH
4.0 VREF = 2V
RS LOGIC VOLTAGE
3.5 VARIED
3.0
VLOGIC FROM
2.5 HIGH TO LOW
2.0
1.5
1.0
VLOGIC FROM
LOW TO HIGH
0.5
0.0
1
2
3
4
5
6
7
SUPPLY VOLTAGE – V
Figure 12. Logic Threshold vs.
Supply Voltage
100
AD7392
90 SAMPLE SIZE = 300 UNITS
80
VDD = 5.0V, VLOGIC = 0V
VDD = 3.6V, VLOGIC = 2.4V
70
60
50
VDD = 3.0V, VLOGIC = 0V
40
30
20
؊55 ؊35 ؊15 5 25 45 65 85 105 125
TEMPERATURE – ؇C
Figure 13. Supply Current vs.
Temperature
REV. A
–5–
Share Link: 