The AD8555 is a zero-drift sensor signal amplifier featuring digitally programmable gain and output offset. It is designed to effectively and accurately convert variable pressure sensor and strain bridge outputs into a well-defined output voltage range. Additionally, the AD8555 can accurately amplify various other differential or single-ended sensor outputs. This device utilizes Analog Devices' patented low noise auto-zero technology and DigiTrim®.
The AD8555 operates with a supply voltage range of 2.7V to 36V, making it versatile for various applications. The amplifier's zero-drift architecture ensures high precision over a wide temperature range, minimizing offset voltage and drift. It is particularly beneficial in applications where sensor outputs may be affected by temperature variations or other environmental factors.
The programmable gain feature allows users to set the gain of the amplifier digitally, providing flexibility in adapting to different sensor outputs. This is particularly useful in systems where multiple sensors with varying output levels are used, as it simplifies the design process and reduces the need for additional external components.
The output offset adjustment capability further enhances the device's versatility, enabling the user to calibrate the output signal for specific application requirements. This feature is crucial in applications requiring precise measurement and control, such as industrial automation, medical instrumentation, and strain gauge applications.
In terms of performance, the AD8555 boasts low noise characteristics, which contribute to improved signal integrity. The device's low input bias current and high common-mode rejection ratio (CMRR) ensure accurate signal amplification, even in the presence of common-mode noise.
Overall, the AD8555 is a highly capable sensor signal amplifier that combines advanced features such as zero-drift operation, programmable gain, and output offset adjustment, making it suitable for a wide range of precision measurement applications. Its robust design and high performance make it an ideal choice for engineers seeking reliable signal amplification solutions.The AD8555 is a zero-drift, sensor signal amplifier with digitally programmable gain and output offset. Designed to easily and accurately convert variable pressure sensor and strain bridge outputs to a well-defined output voltage range, the AD8555 also accurately amplifies many other differential or single-ended sensor outputs.
The AD8555 uses the ADI patented low noise auto-zero and DigiTrim®.. 🔗 External reference
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