Single resistor sets the gain of the best instrumentation amplifier
Alexander Strong and Kevin R. Hoskins
Abstract
The LT1167 instrumentation amplifier, which uses a single resistor to set gains from 1 to 10,000, is described.
Keywords
Instrumentation amplifier
LT1167
Introduction
Linear Technology’s next generation LT1167 instrumentation amplifier uses a single resistor to set gains from 1 to 10,000. The single gain-set resistor eliminates expensive resistor arrays and improves VOS and CMRR performance. Careful attention to circuit design and layout, combined with laser trimming, greatly enhances the CMRR, PSRR, gain error and nonlinearity, maximizing application versatility. The CMRR is guaranteed to be greater than ...
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