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SA5534DR Datasheet(PDF) 11 Page - Texas Instruments |
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SA5534DR Datasheet(HTML) 11 Page - Texas Instruments |
11 / 27 page − + 22 k Ω 100 k Ω VCC− VCC+ C 5534 C NE5534, NE5534A, SA5534, SA5534A www.ti.com SLOS070D – JULY 1979 – REVISED NOVEMBER 2014 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 General Application The input offset voltage of operational amplifiers (op amps) arises from unavoidable mismatches in the differential input stage of the op-amp circuit caused by mismatched transistor pairs, collector currents, current- gain betas ( β), collector or emitter resistors, and so on. The input offset pins allow the designer to adjust for these mismatches by external circuitry. These input mismatches can be adjusted by putting resistors or a potentiometer between the inputs as shown in Figure 10. A potentiometer can be used to fine tune the circuit during testing or for applications which require precision offset control. More information about designing using the input-offset pins, see Offset Voltage of Operational Amplifiers (SLOA045). Frequency Compensation and Offset-Voltage Nulling Circuit Figure 10. Application Circuit Copyright © 1979–2014, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: NE5534 NE5534A SA5534 SA5534A |
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