AD7781BRZ - High Precision, Low Power, 24-bit Sigma-Delta ADC

The AD7781BRZ is a high-performance, 24-bit analog-to-digital converter (ADC) from Analog Devices Inc., designed for precision measurement applications that require a high degree of accuracy and low power consumption. This sigma-delta ADC is particularly suitable for industrial control systems, medical instrumentation, and any system where sensor data needs to be converted with high fidelity.

Key Features:

• 24-bit Resolution: The AD7781BRZ offers a high resolution of 24 bits, making it ideal for applications requiring precise measurement.
• Low Power Consumption: With a typical operating current of only 1 mA and a power-down current of 1 µA, this ADC is optimized for battery-powered and energy-efficient devices.
• Single-Channel: It features a single differential input, which simplifies the design for single-sensor systems.
• On-Chip Buffer: The integrated input buffer allows for direct sensor connections, reducing the need for external components.
• Internal Oscillator: The device includes an internal oscillator, eliminating the need for an external clock source.
• Simple Interface: The AD7781BRZ provides a simple serial interface that is compatible with SPI, QSPI™, MICROWIRE™, and DSP interface standards.
• Reference Input: An external reference input is provided, allowing users to set the full-scale range of the converter.
• Temperature Range: The device operates over an industrial temperature range of -40°C to +85°C, ensuring reliability in harsh environments.

Applications:

• Industrial Process Control
• Weigh Scales
• Medical Instrumentation
• High-resolution Data Acquisition
• Portable Instrumentation

The AD7781BRZ is housed in a compact 16-lead SOIC package, making it easy to integrate into various designs. With its exceptional performance and low power operation, the AD7781BRZ from Analog Devices Inc. stands out as a top choice for designers who require a reliable and precise data conversion solution.

For more information about the AD7781BRZ, including detailed specifications, data sheets, and application notes, please visit the Analog Devices Inc. website or contact their support team.