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Very High-Accuracy Dual Op-amp For Fitness Devices, Automation & More

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Very High-Accuracy Dual Op-amp For Fitness Devices, Automation & More

ST has rolled out a new dual operational amplifier which claims a very high precision and accuracy over temperature allowing it to be used in applications like body-signal monitors, blood-glucose meters, industrial sensors, factory automation, and low-side current sensing.

Key benefits of the new chopper-stabilized TSZ182 include low offset voltage of 25µV at 25°C which enables higher accuracy without calibration, along with an offset drift of less than 100nV/°C which makes accuracy virtually unaffected by temperature change.

The offset voltage of 25µV at 25°C enables high measurement resolution and accuracy without external trimming components, saving board space and the need for adjustments during production.

Moreover, offset drift less than 100nV/°C maintains accuracy over a wide temperature range and saves periodic auto-recalibration to simplify design and enhance convenience for end users.

Other added benefits of the new device include 3MHz gain-bandwidth, rail-to-rail inputs and outputs, and ultra-small 2 x 2mm DFN8 or Mini-SO8 package options.

A 2.2V-5.5V operating supply and rail-to-rail inputs and outputs help the op-amp maximise utilisation of available dynamic range.

Gain-bandwidth of 3MHz ensures consistent frequency response over a wide range. Maximum operating current of just 1mA at 5V helps maximise runtime of battery-powered devices.

An extended operating-temperature range of -40°C to 125°C enables use in harsh outdoor or industrial environments.

Automotive qualification is ongoing and the automotive-qualified variants (TSZ182IYST) will also be available next month for equipment like simple wiper modules or climate controls and autonomous-driving systems, according to ST.

The TSZ182 is in production now in the Mini-SO8 or DFN8 2 x 2mm package, priced from $0.97 for orders of 1000 units.

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For full Press release, click here. For further product information, visit www.st.com/tsz182-pr.

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