Differential amplifier arrangement
Circuitry for use in a differential amplifier includes an input stage having a first differential amplifier and an offset compensation stage that includes at least one controllable current source. The offset compensation stage is connected to a bias input of the first differential amplifier. The cir...
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| Sprache: | eng |
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| Zusammenfassung: | Circuitry for use in a differential amplifier includes an input stage having a first differential amplifier and an offset compensation stage that includes at least one controllable current source. The offset compensation stage is connected to a bias input of the first differential amplifier. The circuitry includes an output stage having a second differential amplifier, where the output stage is after an output of the input stage, and a programmable resistor network for controlling an amplification of the input stage. The programmable resistor network controls the amplification in accordance with a feedback from the first differential amplifier. |
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