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AM467 Folha de dados(PDF) 8 Page - Analog Devices |
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AM467 Folha de dados(HTML) 8 Page - Analog Devices |
8 / 9 page Precision amplifier for bridge circuits AM467 analog microelectronics February 2011 Analog Microelectronics GmbH Phone: +49 (0)6131/91 073 – 0 8/9 An der Fahrt 13, D – 55124 Mainz Fax: +49 (0)6131/91 073 – 30 Rev. 1.1 Internet: http://www.analogmicro.de Email: info@analogmicro.de Offset: 0 to ± 0.3 mV/V Supply voltage: 5 V ± 10% The following values are obtained for the above sensing element categories: Fixed resistor R2 = 33 k; accuracy of 1% Fixed resistor R4 = 12 k; accuracy of 1% Measuring resistor R1 = 11 k; accuracy of 0.1% Measuring resistor R3 = 120 k; accuracy of 0.1% C1 = 1 nF to 5 nF (ceramic) C2 = 100 pF (ceramic) C3 = 100 nF (optional) C4 = 470 pF optional (ceramic) NOTES For bridge circuits with characteristics other than the above (with other sensing element categories, such as DMS sensing elements, for example) Analog Microelectronics can adapt the dimensioning program on request. The proposed calibration is in principle usable for bridge configuration of > 0,5 kOhm. An Excel program (Kali1_AM467_rev1.xls) is proposed for calibration (the calculation of the definitive operating point). This is available on the www.analogmicro.de website. A DLL (Dynamic Link Library) can be delivered on request. With help of this program the calibra- tion Kali1_AM467 can be automated. The DLL allows a simple implementation of the calculation procedure in a standardized program environment e.g. C ++, Labview, Visual Basis. DIAGRAM and PINOUT Figure 3: Diagram of AM467 1 8 2 7 3 6 4 5 OUT IN- IN+ GND VCC N.C. N.C. N.C. Figure 4: AM467 Pinout AM467 AMP + - GND 4 1 OUT 8 VCC IN+ 3 IN- 2 Output stage with short circuit proofing |
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Descrição semelhante - AM467 |
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