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AM401 Fiches technique(PDF) 11 Page - Analog Devices |
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AM401 Fiches technique(HTML) 11 Page - Analog Devices |
11 / 21 page INDUSTRIAL VOLTAGE AMPLIFIER IC AM401 analog microelectronics Mars 2006 Analog Microelectronics GmbH Phone: +49 (0)6131/91 073 – 0 11/21 An der Fahrt 13, D – 55124 Mainz Fax: +49 (0)6131/91 073 – 30 Rev. 2.3 Internet: http://www.analogmicro.de Email: info@analogmicro.de APPLICATIONS Application 1 – Differential input signal, voltage output signal of 0...5/10V With applications which require an output voltage of 0...5/10V the pin used to configure the instrumentation amplifier offset (ZA) is connected to the IC’s Ground. Gain G is set using the two external resistors R1 and R2: () 2 1 1 R R G G G G IA OP IA + = = (2) If no offset voltage is present, the transfer function of the output voltage (Gl.1) is: VOUT = G VIN Using these equations the values of resistors R1 and R2 can be set as follows: R R V GV OUT IA IN 1 2 1 =− Example 1: Input voltage (differential) of 0...50mV and output voltage range of 0...10V If VIN = 0...50mV, R1/R2 = 39 and IREF ≥ 1mA the values of the external components are as follows: R1 ≈ 117kΩ R2 ≈ 3kΩ GIA = 5 C1 = 2.2µF C2 = 10nF Example 2: Input voltage (differential) of 0...100mV and output voltage range of 0...5V If VIN = 0...100mV, R1/R2 = 9 and IREF ≥ 1mA the values of the external components are as follows: R1 ≈ 90kΩ R2 ≈ 10kΩ GIA = 5 C1 = 2.2µF C2 = 10nF |
Numéro de pièce similaire - AM401 |
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Description similaire - AM401 |
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