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AD7390 Datasheet(PDF) 6 Page - Analog Devices

Part # AD7390
Description  3 Volt Serial-Input Micropower 10-Bit & 12-Bit DACs
PDF  12 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7390 Datasheet(HTML) 6 Page - Analog Devices

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TOTAL UNADJUSTED ERROR – LSB
25
0
5.0
10
5
20
15
5.8 6.6 7.3 8.1 8.9 9.7 10.5 11.2 12.0
AD7390
SS = 100 units
TA = 25 C
VDD = 2.7V
VREF = 2.5V
Figure 5. AD7390 Total Unadjusted
Error Histogram
FREQUENCY – Hz
10
8
0
1
10
100K
100
1K
10K
6
4
2
12
14
16
AD7390
VDD = 5V
VREF = 2.5V
TA = 25 C
Figure 8. Voltage Noise Density vs.
Frequency
TEMPERATURE – C
100
20
55
35
125
15
5
25
65
85
105
45
90
60
50
40
30
80
70
AD7390
SAMPLE SIZE = 300 UNITS
VDD = 5.0V, VLOGIC = 0V
VDD = 3.0V, VLOGIC = 0V
VDD = 3.6V, VLOGIC = 2.4V
Figure 11. Supply Current vs.
Temperature
TOTAL UNADJUSTED ERROR – LSB
100
0
–10
40
20
80
60
–3.3 3.3 10
16 23
30
36
43
50
AD7391
SS = 300 units
TA = 25 C
VDD = 2.7V
VREF = 2.5V
90
70
50
30
10
Figure 6. AD7391 Total Unadjusted
Error Histogram
VIN – Volts
0.0
0.5
3.0
1.0
1.5
2.0
2.5
100
95
50
70
65
60
55
90
75
80
85
VLOGIC FROM
3.0V TO 0V
VLOGIC FROM
0V TO 3.0V
AD7390
TA = 25 C
VDD = 3.0V
Figure 9. Supply Current vs. Logic
Input Voltage
CLOCK FREQUENCY – Hz
1000
800
0
1K
10K
10M
100K
1M
600
400
200
a. VDD = 5.5V, CODE = 155H
b. VDD = 5.5V, CODE = 3FFH
c. VDD = 2.7V, CODE = 155H
d
. VDD = 2.7V, CODE = 355H
a
b
c
d
AD7391
VLOGIC = 0V TO VDD TO 0V
VREF = 2.5V
TA = 25 C
Figure 12. Supply Current vs. Clock
Frequency
FULL SCALE TEMPCO – ppm/
°C
0
–33
12
6
24
18
–30 –26 –23 –20 –16 –13 –10 –6 –3
30
0
AD7391
SS = 100 units
TA = 40 to 85 C
VDD = 2.7V
VREF = 2.5V
Figure 7. AD7391 Full-Scale Output
Tempco Histogram
SUPPLY VOLTAGE – V
12
7
3456
5.0
4.5
0.0
2.0
1.5
1.0
0.5
4.0
2.5
3.0
3.5
VLOGIC FROM
HIGH TO LOW
VLOGIC FROM
LOW TO HIGH
AD7390
CODE = FFFH
VREF = 2V
LOGIC VOLTAGE
VARIED
Figure 10. Logic Threshold vs. Supply
Voltage
FREQUENCY – Hz
60
50
0
10
100
10K
1K
30
20
10
40
VDD = 3V
5%
VDD = 5V
5%
TA = 25 C
Figure 13. Power Supply Rejection vs.
Frequency
AD7390/AD7391–Typical Performance Characteristics
REV. 0
–6–



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