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Op amps boast high precision at low power

Posted: 26 Jun 2009     Print Version  Bookmark and Share

Keywords:op amp  operational amplifier  voltage offset 

MCP6072 op amp

Microchip Technology Inc. has beefed up its portfolio of high precision operational amplifiers with three new families that feature an offset voltage of just 150µV.

The MCP6051/2/4 (MCP605X), MCP6061/2/4 (MCP606X) and MCP6071/2/4 (MCP607X) extend Microchip's high-precision op amp line with gain bandwidth product (GBWP) from 10kHz to 50MHz. The MCP605X op amps have a GBWP of 385kHz and a quiescent current of 30µA. The MCP606X op amps have a GBWP of 730kHz and a quiescent current of 60µA. The MCP607X op amps have a GBWP of 1.2MHz and a quiescent current of 110µA.

The MCP6051/2/4 (MCP605X), MCP6061/2/4 (MCP606X) and MCP6071/2/4 (MCP607X) are well suited for applications requiring low power consumption, low-voltage operation and high precision, such as those in the industrial, medical, consumer and other markets.

The MCP605X/6X/7X op amps are trimmed in-package to enable their low offset voltage, which results in reduced error at high gains. The devices feature operating voltage from 1.8V to 6V, making them well-suited for portable applications; and their rail-to-rail input and output provides greater dynamic range, even at lower operating voltages. Additionally, they are unity-gain stable and operate over the extended temperature range of -40°C to 125°C.

PCB footprints and schematic symbols are expected to be available in August 2009. The downloads will be available in a neutral format that can be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader from Accelerated Designs Inc.

Samples and volume production quantities can be ordered in late June 2009. Pricing in 10K unit quantities ranges from Rs.22.53 to Rs.59.27 ($0.46 to $1.21) , depending on package.

- Ismini Scouras

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