The STMicroelectronics’ TSV7722 high bandwidth (22MHz) low offset (200µV) 5V Op-amp boosts energy efficiency in automotive and industrial applications. This new device offers high-speed signal conditioning and accurate current measurement in power-conversion circuits and optical sensors.
The TSV7722 Op-Amp comes endowed with features like maximum input-offset voltage of 200µV (typical 50µV at 25°C) and extremely low input-voltage noise density of 7nV/√Hz permits accurate low-side current measurements. Moreover, the typical input bias current of 2pA enables accurate photodiode-current measurement in optical-sensing applications such as smoke detectors.
The TSV7722 comes with unity-gain stable, and fully specified on a load of 47pF and can be used as an input buffer for analog-to-digital converters (ADCs). With an operating voltage range of 1.8V-5.5V, it can be powered from the same supply as low-voltage CMOS components, such as a microcontroller or from a deeply discharged battery.
Its precision parameters and stability over temperature further simplify circuit design by ensuring outstanding accuracy without precision resistors or trimming after assembly. By providing accurate and responsive current measurements for power-conversion systems, the TSV7722 enhances energy efficiency in applications such as automotive smart mobility, solar panels, telecom infrastructure, and computer servers. The TSV7722 is in production now in MiniSO8 and DFN8 packages, priced from $0.39 for orders of 1000 pieces.