AD7730LBR-REEL7

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Data Acquisition – Analog Front End (AFE) technology has become increasingly prevalent in recent years, and one of the more popular AFE components is the AD7730LBR-REEL7. This state-of-the-art device offers numerous features that make it suitable for a broad range of applications, from industrial control systems to medical imaging and data acquisition applications. Additionally, its versatility allows for easy integration into existing systems, saving time and effort.

Overview

The AD7730LBR-REEL7 is a dual-channel sigma-delta analog-to-digital converter (ADC) designed for high-resolution, low-cost data acquisition applications. The device supports a wide input range, from 0.04 to 3.6 V, and is capable of near-instantaneous capture rates of up to 10 ksps. It also integrates several built-in safety mechanisms, including an on-chip temperature calibration, an auto-zero adjustment, and a high-impedance on-chip amplifier.

Performance

The AD7730LBR-REEL7 features high-resolution performance, providing direct 24-bit resolution matched to ± 1 LSB INL. This level of resolution gives the device excellent accuracy over a wide input range, and allows for accurate capture rates of up to 10 ksps.

Additionally, the device features a low-power architecture and consumes only 50 µW in active mode and fewer than 1 µW in standby mode, with a power-down feature also available for further power savings. This makes the AD7730LBR-REEL7 an ideal choice for remote and portable applications, as it is capable of operating over a wide temperature range without compromising performance.

Modulation

The AD7730LBR-REEL7 is a sigma-delta modulator, meaning that it uses digital techniques to achieve higher resolutions than would be possible with analog techniques. This is accomplished by oversampling and subsequent noise shaping, which effectively “squeezes” the data into a smaller range and allows the ADC to achieve better performance when compared to traditional solutions. Additionally, the circuitry includes on-chip anti-aliasing filters, a high-impedance differential amplifier, programmable gain amplifier, and a built-in RC timing circuit.

Applications

The wide input range and low power consumption of the AD7730LBR-REEL7, combined with its excellent resolution and sampling rates, make it well-suited for a variety of applications. These include but are not limited to:

• Industrial control systems
• Medical imaging and data acquisition
• Digital signal processing
• Rotary encoder systems
• Temperature and pressure monitoring systems

In addition to these more traditional uses, the device is also attractive for a variety of unique applications, such as oil and gas exploration and extraction, geophysical surveys, seismic surveillance, and radio frequency identification (RFID) systems.

Conclusion

Overall, the AD7730LBR-REEL7 is an excellent choice for a wide range of data acquisition applications, as it offers unsurpassed performance, resolution, and flexibility. From large-scale industrial control systems to remote and portable applications, the device’s versatility makes it a reliable and cost-effective solution.

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