參數(shù)資料
型號(hào): AD7391
廠商: Analog Devices, Inc.
英文描述: Serial-Input Micropower 10-Bit & 12-Bit DACs(串行輸入10位D/A轉(zhuǎn)換器)
中文描述: 串行輸入微功耗10位
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 318K
代理商: AD7391
TOTAL UNADJUSTED ERROR – LSB
Figure 5. AD7390 Total Unadjusted
Error Histogram
F
25
0
5.0
10
5
20
15
5.8 6.6 7.3 8.1 8.9 9.7 10.511.212.0
AD7390
SS = 100 units
T
A
= 25 C
V
DD
= 2.7V
V
REF
= 2.5V
FREQUENCY – Hz
O
H
10
8
01
10
100K
100
1K
10K
6
4
2
12
14
16
AD7390
V
DD
= 5V
V
REF
= 2.5V
T
A
Figure 8. Voltage Noise Density vs.
Frequency
TEMPERATURE – C
S
100
20
55
35
125
15
5
25
65
85
105
45
90
60
50
40
30
80
70
AD7390
SAMPLE SIZE = 300 UNITS
V
DD
= 5.0V, V
LOGIC
= 0V
V
DD
= 3.0V, V
LOGIC
= 0V
V
DD
= 3.6V, V
LOGIC
= 2.4V
Figure 11. Supply Current vs.
Temperature
TOTAL UNADJUSTED ERROR – LSB
Figure 6. AD7391 Total Unadjusted
Error Histogram
F
100
0
–10
40
20
80
60
–3.3 3.3 10
16 23
30
36
43
50
AD7391
SS = 300 units
T
A
= 25
8
C
V
DD
= 2.7V
V
REF
= 2.5V
90
70
50
30
10
V
IN
– Volts
0.0
0.5
3.0
1.0
1.5
2.0
2.5
S
100
95
50
70
65
60
55
90
75
80
85
V
LOGIC
FROM
3.0V TO 0V
V
FROM
0V TO 3.0V
AD7390
T
A
= 25 C
V
DD
= 3.0V
Figure 9. Supply Current vs. Logic
Input Voltage
CLOCK FREQUENCY – Hz
S
1000
800
0
1K
10K
10M
100K
1M
600
400
200
a. V
DD
= 5.5V, CODE = 155
H
b. V
DD
= 5.5V, CODE = 3FF
H
c. V
DD
= 2.7V, CODE = 155
H
d
. V
DD
= 2.7V, CODE = 355
H
a
b
c
d
AD7391
V
LOGIC
= 0V TO V
DD
TO 0V
V
REF
= 2.5V
T
A
Figure 12. Supply Current vs. Clock
Frequency
FULL SCALE TEMPCO – ppm/
°
C
Figure 7. AD7391 Full-Scale Output
Tempco Histogram
F
0
–33
12
6
24
18
–30 –26 –23 –20 –16 –13–10 –6 –3
30
0
AD7391
SS = 100 units
T
A
=
2
40
8
to 85
8
C
V
DD
= 2.7V
V
REF
= 2.5V
SUPPLY VOLTAGE – V
1
2
7
3
4
5
6
T
5.0
4.5
0.0
2.0
1.5
1.0
0.5
4.0
2.5
3.0
3.5
V
FROM
HIGH TO LOW
V
LOGIC
FROM
LOW TO HIGH
AD7390
CODE = FFF
H
V
REF
= 2V
LOGIC VOLTAGE
VARIED
Figure 10. Logic Threshold vs. Supply
Voltage
FREQUENCY – Hz
P
60
50
010
100
10K
1K
30
20
10
40
V
DD
= 3V 5%
V
DD
= 5V 5%
T
A
= 25 C
Figure 13. Power Supply Rejection vs.
Frequency
AD7390/AD7391–Typical Performance Characteristics
REV. 0
–6–
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