The PGA281AIPW is a high-precision, analog amplifier with a digitally controlled variable gain array. Manufactured by Texas Instruments, this device is designed to provide outstanding accuracy and flexibility, making it an ideal choice for a wide range of applications, including test and measurement systems, medical equipment, and industrial process controls.

Key Features

• Wide Gain Range: The PGA281AIPW offers a wide and programmable gain range, from 0.125 to 128 V/V, which allows for precise signal amplification in diverse applications.
• High Accuracy: With a low gain error of ±0.05% and a gain drift of just 1 ppm/°C, this amplifier delivers high-fidelity signal conditioning with minimal deviation over temperature variations.
• Low Noise: The device boasts an exceptionally low noise density of 8.8 nV/√Hz at G = 1, ensuring that the signal integrity is maintained even under high gain settings.
• Integrated Calibration Features: The PGA281AIPW includes an internal calibration channel that simplifies system-level calibration procedures, enhancing the ease of use.
• Zero-Drift Architecture: Thanks to its zero-drift architecture, the PGA281AIPW maintains stability over time and temperature, reducing the need for frequent recalibration.

Technical Specifications

• Supply Voltage Range: ±2.25 V to ±18 V
• Output Voltage Swing: Typically within 10 mV of the rails
• Input Offset Voltage: ±25 µV (max)
• Operating Temperature Range: -40°C to +125°C
• Package: 16-pin TSSOP (PW)

Applications

The versatility of the PGA281AIPW makes it suitable for a variety of applications. In test and measurement systems, it can accurately amplify small sensor signals for processing. In medical equipment, such as MRI machines, it ensures precise readings are maintained. For industrial process controls, it provides the reliability and precision necessary for monitoring and controlling complex processes.

With its combination of high precision, low noise, and ease of use, the PGA281AIPW from Texas Instruments stands out as a superior choice for designers who require the best in signal amplification solutions.