CMOS op-amps
30 November 2009
CMOS operational amplifiers for ultra-low current consumption and quick response.
Rohm Semiconductor has announced the development of the BU7265G/SG and BU7411G/SG series of CMOS op-amps (operational amplifiers) that provide the industry’s lowest current consumption (0.35μA) and slew rate (0.05V/μs), making them ideal for battery-driven sets.
A total of eight models are offered to fit a variety of needs, including full-swing/ground sense types and units capable of stable operation at up to 105°C.
Electronic devices are increasingly designed to minimise power consumption. With this in mind, ROHM has focused attention on the expansion of its low current consumption CMOS operational amplifier series, optimised for small-signal amplification in portable devices and sensors. The BU7411G/SG series in particular combines ultra-low current consumption (0.35μA) with low voltage capability (from 1.6V), reducing power.
In addition to lower power consumption, there is a growing need for quick response (high slew rate) characteristics in multifunction devices and high-performance digital AV equipment. ROHM CMOS op-amps meet this requirement by providing a slew rate of 0.05V/μs.
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