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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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OPA607 датащи(PDF) 25 Page - Texas Instruments |
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OPA607 датащи(HTML) 25 Page - Texas Instruments |
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25 / 50 page  § · ¨ ¸ © ¹ F O IN REF G R V V V R § · ¨ ¸ © ¹ F O IN REF G R V V 1 V R + VIN RG VREF VREF RF VSIG VREF ±(RF/RG)VSIG VO VS+ VS± ± + VIN RG VREF VREF RF VSIG VREF (1+RF/RG)VSIG VO VS+ VS± - 25 OPA810 www.ti.com SBOS799A – AUGUST 2019 – REVISED DECEMBER 2019 Product Folder Links: OPA810 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated 9 Application and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 9.1 Application Information 9.1.1 Amplifier Gain Configurations The OPA810 is a classic voltage-feedback amplifier with each channel having two high-impedance inputs and a low-impedance output. Standard application circuits (as shown in Figure 62 and Figure 63) include the noninverting and inverting gain configurations. The DC operating point for each configuration is level-shifted by the reference voltage VREF that is typically set to midsupply in single-supply operation. VREF is often connected to ground in split-supply applications. Figure 62. Noninverting Amplifier Figure 63. Inverting Amplifier Equation 1 shows the closed-loop gain of an amplifier in a noninverting configuration. (1) Equation 2 shows the closed-loop gain of an amplifier in an inverting configuration. (2) |
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