Designing with a new family of instrumental amplifiers
Jim Williams
Abstract
A family of IC instrumentation amplifiers that achieves performance and cost advantages over alternatives is described.
Keywords
Instrumentation amplifier
bridge measurement
LTC1100
LT1101
LT1102
A new family of IC instrumentation amplifiers achieves performance and cost advantages over other alternatives. Conceptually, an instrumentation amplifier is simple. Figure 413.1 shows that the device has passive, fully differential inputs, a single-ended output and internally set gain. Additionally, the output is delivered with respect to the reference pin, which is usually grounded. Maintaining high performance with these features is difficult, accounting ...
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