LM2931Z-5.0G by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V output voltage, 0.6V dropout voltage, and 0.1A output current. It is ideal for applications requiring stable power supply in temperature-sensitive environments due to its operating range of -40°C to 125°C.
LM358DT by STMicroelectronics is a dual operational amplifier with a max input offset voltage of 9000 uV. It operates at a nominal voltage of 5V and has a min voltage gain of 25000. This amplifier is commonly used in applications requiring high precision and low power consumption.