The WS72042S-8/TR is an integrated circuit, manufactured by Will Semiconductor, that contains eight independent, low-power operational amplifiers in an 8-pin SOP package. It is compliant with the Restriction of Hazardous Substances (RoHS) directive and has a junction temperature range of -40°C to +85°C. The device is used for a variety of functions, such as buffering, signal amplification, and precision current-to-voltage conversion. It has rail-to-rail input and output as well as an adjustable offset voltage. The amplifier has low input bias current and low power consumption with a typical supply current of 40 µA. It can operate with a dual supply voltage or with a single supply voltage between 2.5 and 12 volts. It is suitable for a wide range of applications, including amplifiers for signal conditioning, converters, and medical instrumentation.