AD7730BRZ-REEL

The AD7730BRZ-REEL is a complete analog front-end (AFE) designed specifically for weigh-scale and pressure measurement applications. Manufactured by Analog Devices Inc. (ADI), this device offers a range of advanced features and performance characteristics that make it an ideal choice for these applications.

Key Features:

• High-Resolution Conversion:
  • The AD7730BRZ-REEL features a 24-bit sigma-delta analog-to-digital converter (ADC), providing high resolution and accuracy in measurements.
  • It achieves a peak-to-peak resolution of 1 in 230,000 counts, ensuring precise and reliable data acquisition.
• Programmable Gain Front End:
  • The device incorporates a two-channel programmable gain front end, allowing for flexibility in signal conditioning and amplification.
  • This feature enables the AD7730BRZ-REEL to accept a wide range of input signals, including both unipolar and bipolar ranges.
• On-Chip DAC for Offset/TARE Removal:
  • An integrated 6-bit digital-to-analog converter (DAC) is provided for offset and tare voltage removal, simplifying system calibration and improving measurement accuracy.
• Differential Inputs and Outputs:
  • The AD7730BRZ-REEL offers differential analog inputs and outputs, enhancing noise immunity and signal integrity in noisy environments.
• Single Supply Operation:
  • The device operates from a single +5V supply, simplifying power management and reducing component count in the system.
• Low Power Consumption:
  • With a power dissipation of 65mW, the AD7730BRZ-REEL is designed for low power applications, enabling longer battery life and reduced energy consumption.
• Serial Interface Compatibility:
  • The serial interface on the AD7730BRZ-REEL can be configured for three-wire operation and is compatible with microcontrollers and digital signal processors (DSPs).
  • This feature allows for easy integration into existing systems and provides a flexible communication interface.
• Self-Calibration and System Calibration Options:
  • The device includes self-calibration and system calibration options, enabling users to achieve high measurement accuracy and stability over time.
• Compact Packaging:
  • The AD7730BRZ-REEL is available in a compact SOIC-24 package, making it suitable for space-constrained applications.

Applications:

• Weigh Scales: The high resolution and accuracy of the AD7730BRZ-REEL make it ideal for weigh scale applications, ensuring precise measurements of weight and mass.
• Pressure Measurement: The device’s programmable gain front end and differential inputs make it well-suited for pressure measurement applications, providing reliable and accurate data acquisition.

In summary, the AD7730BRZ-REEL is a versatile and high-performance analog front-end designed for weigh-scale and pressure measurement applications. Its advanced features and compact packaging make it an ideal choice for designers seeking high accuracy, low power consumption, and easy integration into existing systems.