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參數(shù)資料
| 型號： | AD7750AN |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | Product-to-Frequency Converter |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 195K |
| 代理商： | AD7750AN |
AD7750
–15–
REV. 0
T able III. Components for Suggested Class 1 Meter Implementation in Figure 21
Schematic
Designator
Description
470
, 5%, 1 W
1 k
, 5%, 1/2 W
100
, 10%, 1/2 W
1 k
, 10%, 1/2 W
1 M
, 5%, 2 W
Comments
R1
R2
R3, R4,
R7
R5
T hese registers are required to form part of the antialiasing filtering on the analog inputs;
they do not perform a voltage-to-current conversion.
T he choice of R5 determines the attenuation on the voltage channels and hence the meter
rating, e.g., 100 PPK WHR.
Forms part of the Gain Calibration network with R5 and VR1.
R6
R8, R9
VR1
1.1 k
, 5%, 1/2 W
500
, 10%, 1/2 W
100
, 10/15 T urn
T his potentiometer is used to perform the Gain Calibration of the meter. Attenuation of
830 to 900—see Applications section.
C1
C2
C3, C4
C5, C6,
C9, C10
C7, C11
C8, C12
Z1
D1, D2
D3
D4, D5
X T AL
MOV
470 nF, 250 V ac
100
μ
F, 24 V dc
33 pF
330 nF
33 nF
10
μ
F, 10 V
10 nF
1N750
1N4007
LED
IR LEDS
3.579545 MHz
V250PA40A
Forms part of the antialiasing filters on the analog inputs.
Metal Oxide Varistor–Harris Semiconductor.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD7750AN | 制造商:Analog Devices 功能描述:SEMICONDUCTOR ((NW)) |
| AD7750AR | 制造商:Rochester Electronics LLC 功能描述:PRODUCT TO FREQUENCY CONVERTER I.C. - Bulk |
| AD7750AR-REEL | 制造商:Analog Devices 功能描述: |
| AD7751 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Energy Metering IC With On-Chip Fault Detection |
| AD7751AAN | 制造商:Analog Devices 功能描述: 制造商:Rochester Electronics LLC 功能描述:PRODUCT TO FREQUENCY CONV - Bulk |
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