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AD7391ANZ Datasheet(PDF) 6 Page - Analog Devices

Part No. AD7391ANZ
Description  3 V Serial-Input Micropower 10-Bit and 12-Bit DACs
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD7391ANZ Datasheet(HTML) 6 Page - Analog Devices

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REV. A
AD7390/AD7391–Typical Performance Characteristics
–6–
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
SS = 100 UNITS
TA = 25 C
VDD = 2.7V
VREF = 2.5V
TPC 1. AD7390 Total Unadjusted
Error Histogram
FREQUENCY – Hz
10
8
0
1
10
100k
100
1k
10k
6
4
2
12
14
16
VDD = 5V
VREF = 2.5V
TA = 25 C
TPC 4. AD7390 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
SAMPLE SIZE = 300 UNITS
VDD = 5.0V, VLOGIC = 0V
VDD = 3.0V, VLOGIC = 0V
VDD = 3.6V, VLOGIC = 2.4V
TPC 7. AD7390 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
SS = 300 UNITS
TA = 25 C
VDD = 2.7V
VREF = 2.5V
90
70
50
30
10
TPC 2. AD7391 Total Unadjusted
Error Histogram
VIN – V
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
TA = 25 C
VDD = 3.0V
TPC 5. AD7390 Supply Current vs.
Logic Input Voltage
CLOCK FREQUENCY – Hz
1000
800
0
1k
10k
10M
100k
1M
600
400
200
a. V DD = 5.5V, CODE = 155H
b. V DD = 5.5V, CODE = 3FFH
c. V DD = 2.7V, CODE = 155H
d
. VDD = 2.7V, CODE = 355H
a
b
c
d
VLOGIC = 0V TO V DD TO 0V
VREF = 2.5V
TA = 25 C
TPC 8. AD7391 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
SS = 100 UNITS
TA= 40 C TO +85 C
VDD = 2.7V
VREF = 2.5V
TPC 3. AD7391 Full-Scale Output
Tempco Histogram
SUPPLY VOLTAGE – V
12
7
34
56
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
CODE = FFFH
VREF = 2V
RS LOGIC VOLTAGE
VARIED
TPC 6. AD7390 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
TPC 9. Power Supply Rejection
vs. Frequency


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