AD7793 (24-bit ADC Low Noise Amplifier)

Overview

Elevate your precision measurement projects with the AD7793, a high-performance, 24-bit analog-to-digital converter (ADC) designed for the most demanding sensor applications. This low-noise, low-power device integrates a programmable gain amplifier (PGA), a precision reference, and flexible clocking options, making it the perfect choice for engineers and makers in Egypt who require accurate data acquisition for temperature, pressure, and other critical measurements.

Key Features

• Ultra-Low Noise: Achieve exceptional clarity with RMS noise as low as 40nV at 4.17Hz update rate, ideal for microvolt-level signals.
• High Resolution: True 24-bit effective resolution ensures precise conversion for demanding industrial and scientific applications.
• Programmable Gain Amplifier (PGA): Gain settings from 1 to 128 allow direct interface with sensors like thermocouples, RTDs, and strain gauges without external amplification.
• Flexible Clocking: Use the internal oscillator for simplicity or an external clock for precise timing control.
• Wide Supply Range: Operates from 2.7V to 5.25V, compatible with 3.3V and 5V microcontroller systems.
• Low Power Consumption: Ideal for battery-powered and portable instrumentation.

Technical Specifications

• Resolution: 24-bit (effective resolution up to 24 bits)
• RMS Noise: 40nV (at 4.17Hz update rate); 85nV (at 16.7Hz)
• Update Rate: 4.17Hz to 470Hz (programmable)
• Supply Voltage: 2.7V to 5.25V
• Internal Clock Oscillator: Yes
• Low Noise Programmable Gain: Yes (gain options: 1, 2, 4, 8, 16, 32, 64, 128)
• Package: TSSOP-16 (typical)

Applications & Use Cases

• Temperature Sensing: High-accuracy thermocouple, RTD, and thermistor measurements for industrial process control.
• Instrumentation: Precision data acquisition for laboratory equipment and portable test instruments.
• Medical Devices: High-quality, low-noise signal acquisition for patient monitoring and diagnostic tools.
• Industrial Automation: Process control, weighing scales, and pressure transducers.
• IoT & Smart Sensors: Connect to microcontrollers like Arduino, ESP32, and STM32 for high-precision sensor nodes.

What's Included

• 1x AD7793 Breakout Board or IC (as per variant)
• (If breakout board: Pin headers, possibly soldered)
• (If IC: No accessories, for SMD soldering)

Compatibility

• Microcontrollers: Works with Arduino, Raspberry Pi (via SPI), ESP32, STM32, and any MCU with SPI interface.
• Libraries: Compatible with common ADC libraries like Adafruit's AD7793 library.
• Sensors: Directly interfaces with thermocouples, RTDs, thermistors, and other analog sensors.

MOKWN Recommendation

For Egyptian engineers, students, and hobbyists working on precision measurement projects, the AD7793 is an outstanding choice. Its low noise and high resolution make it superior to standard 16-bit ADCs, ensuring accurate and reliable data. Whether you're building a temperature controller, a weighing scale, or a medical device, this ADC will exceed your expectations. Order now from MOKWN and take your projects to the next level of precision.