PGA2505IDB is a programmable gain amplifier integrated circuit (IC) that provides high-quality analog amplification. It is designed by Texas Instruments and offers several key features to enhance signal processing and audio applications.
The PGA2505IDB is a single-channel amplifier with a differential input capable of amplifying signals up to 23 dB. With a wide gain range (0 dB to 23 dB), it enables precise and accurate tuning of amplification levels according to requirements.
One of the notable features of PGA2505IDB is its low total harmonic distortion (THD) of 0.0004%, ensuring minimal audio distortion and maintaining sound clarity. This makes it suitable for applications requiring high-fidelity audio amplification, such as audio mixers, home theater systems, and professional audio equipment.
The IC operates on a single power supply ranging from 4.5 V to 5.5 V, which enables compatibility with various power sources. It also has a low power consumption mode, making it suitable for battery-powered devices that prioritize energy efficiency.
PGA2505IDB offers a flexible control interface, supporting both analog and digital controls. It includes an I2C serial interface that provides digital control capabilities, allowing precise and convenient adjustment of gain levels and other parameters. Furthermore, it provides a hardware control pin to select between analog and digital control modes, enhancing usability and adaptability.
To ensure accurate amplification, the IC offers a programmable gain resolution of 0
