Differential amplifier core is an electronic circuit component that amplifies the voltage difference between two input signals while rejecting common-mode signals.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Gain | 20-100 dB | |
| Bandwidth | 1 MHz - 100 MHz | |
| Package Type | DIP, SOIC, QFN | |
| Supply Voltage | ±5V to ±15V | |
| Input Impedance | 1 MΩ - 10 MΩ | |
| Operating Temperature | -40°C to +85°C | |
| Common Mode Rejection Ratio (CMRR) | 80-120 dB |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
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The primary advantage is its ability to reject common-mode noise, which improves signal integrity in noisy industrial environments.
Yes, by grounding one input, but this reduces the common-mode rejection capability and is not optimal for noise-sensitive applications.
Temperature variations can cause gain drift and offset voltage changes, which are mitigated through temperature compensation circuits and matched component designs.
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