Texas Instruments

PGA204BU

PGA204BU is a high-precision, low-noise programmable gain amplifier (PGA) from Texas Instruments. It is designed to provide high accuracy and low noise performance in a wide range of applications.

Description:

The PGA204BU is a monolithic, precision operational amplifier with a built-in programmable gain. It is available in an 8-pin SOIC package and operates from a single supply voltage ranging from 3V to 12V. The device features a high input impedance, low output noise, and excellent linearity.

Features:

• Programmable gain: The gain of the PGA204BU can be adjusted from 1 to 1000 in 1 dB steps, providing a wide range of gain options for different applications.
• Low noise: The PGA204BU has a low input voltage noise of 5 nV/√Hz, making it suitable for high-precision applications.
• High accuracy: The device has a low input offset voltage drift of 0.5 µV/°C and a low gain drift of 0.05%/°C, ensuring high accuracy over temperature.
• Rail-to-rail input and output: The PGA204BU has a rail-to-rail input and output, allowing it to accept input signals that are close to the supply voltage and provide output signals that swing close to the supply rails.
• Low power consumption: The device has a low power consumption of 330 µA at a gain of 1, making it suitable for battery-powered applications.

Applications:

The PGA204BU is suitable for a wide range of applications that require high precision and low noise performance. Some of the key applications include:

• Strain gauge amplifiers
• Bridge amplifiers
• Medical instruments
• Industrial control systems
• Data acquisition systems
• Audio equipment
• Sensor conditioning circuits

Overall, the PGA204BU is a versatile and high-performance programmable gain amplifier that can be used in a wide range of applications requiring precision and low noise performance.