SOT-23 superbeta op amp saves board space in precision applications
Glen Brisebois
Abstract
The LT1880 SOT-23 superbeta operational amplifier, which saves board space in precision applications, is described.
Keywords
Operational amplifier
LT1880
Introduction
The tiny new LT1880 achieves precision unprecedented in a SOT-23 package without resorting to autozeroing techniques. Input offset voltage and drift are typically 40μV and 0.3μV/°C, respectively, with guarantees of 200μV and 1.2μV/°C maximum over temperature. The device operates on total supplies from 2.7V to 40V with rail-to-rail outputs, giving a dynamic range of 120dB. Unlike some competitors’ SOT-23 op amps, which claim to maintain good precision, the LT1880 supports ...
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