Low-noise, CMOS-input, rail-to-rail op amps extend battery life in portable medical applications

SUNNYVALE, CA—February 10, 2011—Maxim Integrated Products (NASDAQ: MXIM) introduces the MAX9636–MAX9638, rail-to-rail, low-noise operational amplifiers. Offered in 6-pin SC70 (single), 8-pin SC70 (dual), and 10-pin UTQFN (dual) packages, these devices minimize board space while delivering outstanding noise performance. With 38nV/rt-Hz input-voltage noise density, 50fA/rt-Hz input-current noise density, and 0.1pA input-bias current, the MAX9636–MAX9638 facilitate interfacing to high-impedance sources such as photodiode and piezoelectric sensors. Maxim’s proprietary BiCMOS process technology and design architectures enable these devices to achieve an excellent combination of size, low-noise performance, bandwidth, and supply current.

Designed to operate from a 2.1V to 5.5V supply, the MAX9636–MAX9638 are ideal for sensor interfaces in portable medical applications that demand low noise and low quiescent current. They extend battery life with a quiescent current of only 36microamps (typ). An optimized ratio of gain bandwidth (GBW) to supply current allows the devices to support 1.5MHz bandwidth. The MAX9636 and MAX9638 also offer a low-power shutdown mode that reduces supply current to 1microamp.

The MAX9636–MAX9638 are fully specified for operation over the -40 degrees Celsius to +125 degrees Celsius automotive temperature range. The MAX9636 is packaged in a lead-free, 2mm x 2.2mm, 6-pin SC70; the MAX9637 in a lead-free, 2mm x 2.2mm, 8-pin SC70; and the MAX9638 in a lead-free, 1.4mm x 1.8mm, 10-pin UTQFN package. Prices start at $0.33 for the MAX9636, $0.50 for the MAX9637, and $0.60 for the MAX9638 (1000-up, FOB USA).

Maxim Integrated Products is a publicly traded company that designs, manufactures, and sells high-performance semiconductor products. The Company was founded over 25 years ago with the mission to deliver innovative analog and mixed-signal engineering solutions that add value to its customers’ products. To date, it has developed over 6400 products serving the industrial, communications, consumer, and computing markets.

Maxim reported revenue of approximately $2.0 billion for fiscal 2010. A Fortune 1000 company, Maxim is included in the Nasdaq 100, the Russell 1000, and the MSCI USA indices. For more information, go to www.maxim-ic.com.

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Low-noise, CMOS-input, rail-to-rail op amps extend battery life in portable medical applications

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