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Op amp ICs operate at 200mV below zero

Posted: 19 Dec 2011 ?? ?Print Version ?Bookmark and Share

Keywords:op amp? input offset voltage? ESD?

STMicroelectronics N.V. (ST) has unveiled two families of low-power operational amplifiers (op amp) that claim to have the industry's smallest size with no reduction in performance. ST's TSV85x and LMV82x devices aim to upgrade the industry-standard (LMV321) in signal-conditioning applications including computer, industrial and medical.

ST's op amps address the trend toward sleek form factors in today's electronics such as in ultra-thin laptops. They come with a shut-down pin option that reduces the device current consumption to zero and the A-grade devices in both TSV85x and LMV82x families boast the industry's lowest input offset voltage values. The company said that this enabled the devices to cut production-trimming costs for equipment manufacturers.


ST's TSV85x and LMV82x boast the industry's lowest input offset voltage values.

ST's TSV85x and LMV82x can operate at 200mV below zero in common mode that enhances design freedom. They are capable of withstanding up to 6V in absolute maximum rating, increasing the margin on a typical 5V power supply. Wider supply voltage range and superior electrostatic discharge protection (ESD) capabilities translate into greater application safety.

The op amps come in single, dual and quad versions and flaunt failure rates down to 0.1ppm. The dual op amp ICs in both families are available in 2 x 2mm DFN8 packages. ST's TSV85x and LMV82x op-amp ICs are in volume production. Unit pricing in quantities of 1,000 pieces ranges from $0.33 to $0.57 (TSV85x) and from $0.39 to $0.86 (LMV82x), depending on the configuration and package.

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