ST's New Miniature 20MHz Low Offset Op-Amp

The TSV772 is well-suited for high-speed signal conditioning and low power applications

STMicroelectronics have released the new TSV772 dual op-amp, which combines both high accuracy and low power consumption. The TSV772 is housed in a very compact 2mm x 2mm DFN8 package.

ST Releases New Precision High-Bandwidth Op Amp

The TSV772 is part of ST's high-performance 5V op-amp family, with rail-to-rail inputs and outputs, a 20MHz gain-bandwidth and unity-gain stability. The TSV772 also offers a slew rate of 13V/µs, an input noise density of 7nV/√Hz and a 4kV ESD capability.

This op-amp is particularly suited for accurately handling low-amplitude signals with a maximum input-offset voltage of just 200µV. This reduces the need for precision external resistors, as well as avoiding the use of trimming or calibration circuits in the production. The TSV772 is capable of operation at a supply voltage of just 2.0V and can be connected to the same power rail as a microcontroller. The very low minimum voltage allows longer operation when the battery supply is almost empty. The op-amp is also particularly suited for use in smoke detectors, where long battery life is essential.

By providing accurate and responsive current measurements for power-conversion systems, the TSV772 enhances energy efficiency in applications such as automotive smart mobility, solar panels, telecom infrastructure and computer servers.

Features of the TSV772 Operational Amplifier include:

Gain bandwidth product 20 MHz, unity gain stable
Low input offset voltage: 50 µV typical, 200 µV maximum
Low input bias current: 2 pA typical
Low noise: 7 nV/√Hz
Slew rate: 13 V/µs
Wide supply voltage range: 2.0 V to 5.5 V
Rail-to-rail input and output
Input common-mode range includes low rail
4 kV HBM ESD tolerance

More information on the TSV772 High Bandwidth Op-Amp is available on the ST website at STMicroelectronics TSV772 product page.

The STMicroelectronics website address is www.st.com
[Reprinted with kind permission from STMicroelectronics - Release Date, 15th March, 2022]

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