Flexible high-voltage OpAmp targets automotive and industrial applications

Flexible high-voltage OpAmp targets automotive and industrial applications

New Products |
By Christoph Hammerschmidt

The TSB622, which is stable at unity gain, is qualified for automotive applications and can be used in an extended temperature range from -40°C to +125°C. Thanks to the wide operating voltage range of 2.7 V to 36 V, electronics designers can use the same device for multiple applications in different voltage ranges. The rail-to-rail output provides maximum dynamic range, while the input offset voltage of only 1 mV ensures competitive accuracy for a low-power device.

With a gain-bandwidth product of 1.7 MHz and a maximum operating current of 375 µA per channel (at 36 V supply voltage), the TSB622 is very fast relative to its power consumption. The low current consumption also enables its use in applications that require low-power operation and extends the runtime of battery-powered devices.

Resistance to electrostatic discharge up to 4 kV according to the human body model (HBM) and reduced sensitivity to electromagnetic interference also ensure that the TSB622 can cope with technically demanding environments in the automotive and industrial sectors.

The TSB622 dual-channel operational amplifier is currently offered in SO8 or MiniSO8 packages, both of which help to save board space and reduce BOM. Starting in July, there will also be a version in the 3 mm x 3 mm DFN8 package, which, thanks to its Wettable Flank design, provides additional mechanical strength to meet the requirements of the automotive industry.

The TSB622 is already in production. The automotive version is available starting at $1.34, while the industrial version is available at prices starting at $1.12 (both starting at 1,000 units). The device is part of a free sample program and can be ordered from ST’s eStore.

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