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Zero-drift amp boasts low power, high accuracy

Posted: 18 Jul 2014 ?? ?Print Version ?Bookmark and Share

Keywords:Microchip Technology? amplifier? self-correcting architecture? portable instrumentation?

Microchip Technology Inc. has expanded its instrumentation amplifier line-up with the roll out of the Zero-Drift MCP6N16. According to the company, the self-correcting architecture maximises 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, emphasized Microchip.

The MCP6N16's low-power CMOS process technology enables low power consumption while still providing 500kHz 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, noted the company.


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 amplifier is intended 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.

MCP6N16 block diagram

The Zero-Drift MCP6N16 instrumentation amplifier is available for samples and volume production in 8-pin MSOP and 3 x 3mm DFN packages. Both package options are supplied in 5,000-unit quantities.

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