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零件编号
产品描述 (功能)
DAC08Q(RevB) 查看數據表(PDF) - Analog Devices
零件编号
产品描述 (功能)
生产厂家
DAC08Q
(Rev.:RevB)
8-Bit, High-Speed, Multiplying D/A Converter (Universal Digital Logic Interface)
Analog Devices
DAC08Q Datasheet PDF : 12 Pages
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DAC08
+V
REF
R
REF
OPTIONAL RESISTOR
FOR OFFSET INPUTS
R
IN
R
L
14
4
R
EQ
200
⍀
0V
R
P
R
L
15
16
2
TYPICAL VALUES:
R
IN
= 5k
⍀
+V
IN
= 10V
NO CAP
Figure 1. Pulsed Reference Operation
C2
+18V
R1 = 9k
⍀
C1 = 0.001
F
C2, C3 = 0.01
F
C1
R1
16 15 14 13 12 11 10 9
DAC08
1 23 4 5 6 78
C3
–
18V MIN
Figure 2. Burn-in Circuit
1V
2.5V
0.5V
–
0.5mA
I
OUT
–
2.5mA
100mV
200ns
R
EQ
200
⍀
R
L
= 100
⍀
C
C
= 0
200ns/DIVISION
Figure 3. Fast Pulsed Reference Operation
0mA
1.0mA
2.0mA
I
OUT
I
OUT
(0000|0000)
I
REF
= 2mA
(1111|1111)
Figure 4. True and Complementary Output Operation
5mV
2V
2.4V
0.4V
0V
8
A
0
100mV
50ns/DIVISION
50ns
Figure 5. LSB Switching
2.4V
1V
LOGIC INPUT
0.4V
OUTPUT
–
1/2LSB
SETTLING 0V
+1/2LSB
ALL BITS SWITCHED ON
10mV
SETTLING TIME FIXTURE
I
FS
= 2mA, R
L
= 1k
⍀
1/2LSB = 4
A
50ns
50ns/DIVISION
Figure 6. Full-Scale Settling Time
–6–
REV. B
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