LM2931Z-5.0RPG by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V Nominal Output Voltage, 0.1A Max Output Current, and 6V Min Input Voltage. It operates in temperatures ranging from -40 to 125 °C and is ideal for applications requiring stable voltage regulation in electronic circuits.
OPA2277UA/2K5 by Texas Instruments is a dual operational amplifier with low offset voltage of 100 uV and micropower consumption of 0.004 uA. Ideal for industrial applications, it offers high common mode rejection ratio of 140 dB and unity gain bandwidth of 1 MHz. With a compact rectangular package style, it is suitable for surface mount designs in various electronic systems.