Transcription of Buffer Op Amp to ADC Circuit Collection - TI.com
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Application Report SLOA098 March 20021 Buffer Op Amp to ADC Circuit Collection Bruce Carter High Performance Linear Products ABSTRACT This document describes various techniques that interface Buffer op amps to ADCs. These techniques provide designers with a toolkit of ideas that can be readily adapted to their application. Fully differential, transformer coupled, and single-ended techniques are described. Reference techniques and circuits are also described in Appendix A. Table of Contents 1 Introduction .. 3 Interface Architectural Scheme .. 3 Circuit Icons .. 4 Schematic Conventions .. 5 2 ADC Input and Reference Structure ..6 3 Fully Differential Op Amp Architecture ..8 Single-Ended Input, AC-Coupled, Single 8 Single-Ended Input, AC-Coupled, Dual Supply .. 9 Single-Ended Input, DC-Coupled, Single Supply .. 10 Single-Ended Input, DC-Coupled, Dual Supply.
SLOA098 Buffer Op Amp to ADC Circuit Collection 3 1 Introduction In most cases, analog to digital converters (ADCs) also require a buffer amp. The choice of
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