CIRCUIT060023
Inverting summer circuit
CIRCUIT060023
Overview
This design sums (adds) and inverts two input signals, Vi1 and Vi2. The input signals typically come from lowimpedance sources because the input impedance of this circuit is determined by the input resistors, R1 and R2. The common-mode voltage of an inverting amplifier is equal to the voltage connected to the non-inverting node, which is ground in this design.
Features
- Input 1: ±2.5 V
- Input 2: ±250 mV
- Output: ± 4.9 V
- Frequency: 10 kHz
- Supply: ±5 V
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Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| Circuit design | Inverting Summer Circuit (Rev. C) | PDF | HTML | Feb 1, 2021 | |
| Application note | AN-31 Amplifier Circuit Collection (Rev. D) | PDF | HTML | Oct 21, 2020 | |
| Application note | Handbook of Operational Amplifier Applications (Rev. B) | Sep 19, 2016 |