LowNoise Audio Amplification Designed for clear, quality audio in sensitive applications, this amplifier operates within a 2.4 V to 5.5 V range and consumes only 24 µA quiescent current. Its ultralow power consumption makes it ideal for batterypowered projects where efficiency and extended runtime are critical. Adjustable Gain Control Finetune your amplification needs with an adjustable gain range from 25× to 125× using the builtin trimmer potentiometer. This flexible control allows quick setup for various signal levels, enabling precise for different audio sources or sensor outputs. RailtoRail Analog Output The DCbiased output at VCC/2 ensures compatibility with ADCs and microcontrollers for direct signal acquisition without additional circuitry. Railtorail performance delivers accurate signal representation across the full voltage range, making it suitable for precision measurement and processing systems. Noise Immunity Engineered for dependable operation in challenging environments, this amplifier offers exceptional noise rejection with PSRR of 112 dB and CMRR of 126 dB. These specifications ensure stable, lowdistortion audio and reliable performance even in settings with significant electrical interference. Applications Portable, batterypowered audio recording devices requiring low noise and minimal power draw. Microcontrollerbased projects capturing analog signals from microphones or sensors for data processing. Embedded systems operating in industrial or laboratory environments where signal integrity must be maintained under electrical noise conditions. This audio amplifier combines energy efficiency, gain, robust output compatibility, and noise rejection into one compact solution, making it wellsuited for a wide range of lowpower, fidelity applications.