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參數(shù)資料
| 型號： | AD7390AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | 3 V Serial-Input Micropower 10-Bit and 12-Bit DACs |
| 中文描述： | SERIAL INPUT LOADING, 70 us SETTLING TIME, 12-BIT DAC, PDSO8 |
| 封裝： | 1.75 MM HEIGHT, SOIC-8 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 199K |
| 代理商： | AD7390AR |
REV. A
AD7390/AD7391
–
Typical Performance Characteristics
–6–
TOTAL UNADJUSTED ERROR
–
LSB
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
SS = 100 UNITS
T
A
= 25 C
V
DD
= 2.7V
V
REF
= 2.5V
TPC 1. AD7390 Total Unadjusted
Error Histogram
FREQUENCY
–
Hz
O
–
10
8
01
10
100k
100
1k
10k
6
4
2
12
14
16
V
DD
= 5V
V
REF
= 2.5V
T
A
= 25 C
TPC 4. AD7390 Voltage Noise
Density vs. Frequency
TEMPERATURE
–
C
S
–
100
2055
35
125
15
5
25
65
85
105
45
90
60
50
40
30
80
70
SAMPLE SIZE = 300 UNITS
V
DD
= 5.0V, V
LOGIC
= 0V
V
DD
= 3.6V, V
LOGIC
= 2.4V
V
DD
= 3.0V, V
LOGIC
= 0V
TPC 7. AD7390 Supply Current
vs. Temperature
TOTAL UNADJUSTED ERROR
–
LSB
F
100
0
–
10
40
20
80
60
–
3.3 3.3 10
16 23
30
36
43
50
SS = 300 UNITS
T
A
= 25 C
V
DD
= 2.7V
V
REF
= 2.5V
90
70
50
30
10
TPC 2. AD7391 Total Unadjusted
Error Histogram
V
IN
–
V
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
V
FROM
0V TO 3.0V
T
A
= 25 C
V
DD
= 3.0V
TPC 5. AD7390 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
V
LOGIC
= 0V TO V
DD
TO 0V
V
REF
= 2.5V
T
A
= 25 C
TPC 8. AD7391 Supply Current
vs. Clock Frequency
FULL-SCALE TEMPCO
–
ppm/ C
F
0
–
33
12
6
24
18
–
30
–
26
–
23
–
20
–
16
–
13
–
10
–
6
–
3
30
0
SS = 100 UNITS
T
A
= 40 C
TO +85 C
V
DD
= 2.7V
V
REF
= 2.5V
TPC 3. AD7391 Full-Scale Output
Tempco Histogram
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
LOGIC
FROM
HIGH TO LOW
V
LOGIC
FROM
LOW TO HIGH
CODE = FFF
H
V
REF
= 2V
RS
LOGIC VOLTAGE
VARIED
TPC 6. AD7390 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
TPC 9. Power Supply Rejection
vs. Frequency
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