參數(shù)資料
型號: AD7390AR
廠商: Analog Devices Inc
文件頁數(shù): 9/12頁
文件大小: 0K
描述: IC DAC 12BIT 3V SRL-IN 8-SOIC
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝: 1
設(shè)置時間: 60µs
位數(shù): 12
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
功率耗散(最大): 500µW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 管件
輸出數(shù)目和類型: 1 電壓,單極
采樣率(每秒): 17k
REV. A
AD7390/AD7391–Typical Performance Characteristics
–6–
TOTAL UNADJUSTED ERROR – LSB
FREQ
UENCY
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
OUTPUT
V
O
L
T
A
GE
NOISE
V
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
SUPPL
Y
CURRENT
A
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
FREQUENCY
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
SUPPL
Y
CURRENT
A
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
SUPPL
Y
CURRENT
A
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
FREQ
UENCY
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
THRESHOLD
V
O
L
T
A
GE
V
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
PSRR
dB
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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