Manufacturer Part Number
AD7797BRUZ
Manufacturer
Analog Devices
Introduction
The AD7797BRUZ is a low power, low noise, complete analog front end for high precision measurement applications. It is part of Analog Devices' AD779x family of Sigma-Delta ADCs.
Product Features and Performance
24-bit resolution
Sigma-Delta architecture
Sample rate of 123 samples per second
Single differential input
Integrated temperature sensor
External reference type
SPI and DSP data interfaces
Configurable multiplexer, ADC setup
Compatible with 2.7V to 5.25V analog supply
Compatible with 2.7V to 5.25V digital supply
Operational temperature range from -40°C to 85°C
Product Advantages
High-resolution ADC offering precise measurement
Low power consumption suitable for portable applications
On-chip temperature sensor for thermal monitoring
Flexible voltage supply range ensuring compatibility with various logic levels
Key Technical Parameters
Number of Bits: 24
Sampling Rate: 123 SPS
Input Type: Differential
Data Interface: SPI, DSP
Number of ADCs: 1
Architecture: Sigma-Delta
Voltage Supply Range (Analog and Digital): 2.7V to 5.25V
Quality and Safety Features
Designed to operate reliably within an industrial temperature range
Compatibility
SPI and DSP compatibility allows for easy interface with most microcontrollers
Application Areas
Industrial instrumentation
Portable instrumentation
Weigh scales
Pressure sensors
Product Lifecycle
Status: Active
Not currently nearing discontinuation
Replacements or upgrades may be available as newer models within the product family
Key Reasons to Choose This Product
High-precision data conversion for sensitive applications
Low noise performance for accurate readings
Low power consumption, ideal for battery-powered devices
Built-in temperature sensor for monitoring and compensation
Versatility through a wide operating voltage range and SPI/DSP interface compatibility
Robust construction for industrial temperature range operation