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DAC7528
7
FIGURE 4.Unipolar Configuration with Gain Trim.
R
100
3
REF B
R
2
47
R
4
47
DAC A
I
OUT A
DAC B
I
OUT B
R
FB B
R
FB A
C1 10pF
C2 10pF
DAC7528
V
OUT A
V
OUT B
–
+
–
+
A1
A2
DGND
V
DD
+5V
C
D
1μF
A1, A2 OPA602 or 1/2 OPA2107.
+
AGND
V
IN A
R
100
1
REF A
V
V
IN B
V
R
3
10k
C
10pF
DAC A
DAC B
10k
5
DAC7528
DGND
V
REF A
V
DD
+5V
C
D
1μF
R
6
20k
R
2
20k
R
C
10pF
V
OUT A
V
OUT B
A1
A3
+
A1–A4, OPA602 or 1/2 OPA2107.
–
+
A2
–
+
A4
R
1
20k
R
4
20k
REF B
V
I
OUT B
R
FB B
–
I
OUT A
R
FB A
–
+
+
AGND
FIGURE 5. Bipolar Configuration 4 Quadrant Multiplication.
APPLICATION INFORMATION
DATA INPUT
ANALOG OUTPUT
MSB LSB
1111 1111
1000 0000
0000 0001
0000 0000
TABLE I. Unipolar Output Code.
–V
(255/256)
–V
REF
(255/256) = –1/2V
REF
–V
REF
(1/256)
0V
DATA INPUT
ANALOG OUTPUT
MSB LSB
1111 1111
1000 0001
1000 0000
0111 1111
0000 0000
+V
REF
(127/128)
+V
REF
(1/128)
0V
–V
REF
(1/128)
–V
REF
(127/128)
TABLE II. Bipolar Output Code.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC7528P | 制造商:BB 制造商全稱:BB 功能描述:CMOS Dual 8-Bit Buffered Multiplying DIGITAL-TO-ANALOG CONVERTER |
| DAC7528PB | 制造商:BB 制造商全稱:BB 功能描述:CMOS Dual 8-Bit Buffered Multiplying DIGITAL-TO-ANALOG CONVERTER |
| DAC7528U | 制造商:BB 制造商全稱:BB 功能描述:CMOS Dual 8-Bit Buffered Multiplying DIGITAL-TO-ANALOG CONVERTER |
| DAC7528UB | 制造商:BB 制造商全稱:BB 功能描述:CMOS Dual 8-Bit Buffered Multiplying DIGITAL-TO-ANALOG CONVERTER |
| DAC-7533 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:10-Bit Digital-to-Analog Converter |
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