We use cookies. They help to improve your interaction with the site.
Electronics news

Operational amplifiers from STMicroelectronics can operate at 175°C

Operational amplifiers (OA) perform various operations to convert analog electrical signals.

Invented by Carl Dale Schwartzel, Jr. in 1941, they are widely used in modern electronic devices.
STMicroelectronics' TSZ181H1, TSZ182H1 automotive-certified TSZ181H1 DUTs provide high accuracy and stable operation over a wide temperature range (-40°C to 175°C). The high maximum operating temperature allows them to be used in harsh environments.

The DUTs have a very low input bias voltage (3.5 µV at 25°C) and input bias current (30 pA at 25°C). The parameters are characterized by minimal temperature drift: the maximum input bias voltage is 70 μV at 25°C and 100 μV over the entire temperature range. The maximum input bias current is 200 pA at 25°C and 225 pA over the full range.

The TSZ181H1 and TSZ182H1 provide superior performance for high-precision and wideband sensor interfaces. They can be used for precision signal conditioning without calibration, simplifying end-product manufacturing and providing higher accuracy than typical DUTs. The 3 MHz bandwidth and operating current of only 1 mA at 5 V provide an excellent speed-to-power ratio. Both devices are designed for a wide supply voltage range from 2.2V to 5.5V and feature rail-to-rail input and output signals to maximize the usable dynamic range.