Microchip's zero-drift instrumentation amplifier features low power, high accuracy - Embedded.com

Microchip’s zero-drift instrumentation amplifier features low power, high accuracy


Microchip Technology Inc. has expanded its instrumentation amplifier portfolio with the new zero-drift MCP6N16.  This self-correcting architecture maximizes DC performance by enabling ultra-low offset, low-offset drift, and superior common-mode and power-supply rejection, while eliminating the adverse effects of 1/f noise.  The result is very high accuracy across both time and temperature.

The MCP6N16’s low-power CMOS process technology enables low power consumption while still providing 500 kHz bandwidth, and it features a hardware-enable pin for even more power savings.  This low-power operation and shutdown capability requires less current for the given speed and performance, which extends battery life and leads to less self heating.  Additionally, the amplifier’s low, 1.8V operation allows two dry-cell, 1.5V batteries to be drained well beyond typical use, and its rail-to-rail input and output operation enables full-range use, even in low-supply conditions.  This provides better performance across the entire operating-voltage range.

The MCP6N16 instrumentation amp is designed for applications that require a combination of high performance and precision, low power consumption, and low-voltage operation.  Examples include sensor interfaces, signal conditioning, and stationary and portable instrumentation, for the medical, consumer and industrial markets.

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