AD7781CRUZ - Analog Devices Inc.

Manufacturer Part Number

AD7781CRUZ

Manufacturer

Analog Devices

Introduction

The AD7781CRUZ is a low power, 20-bit sigma-delta ADC with a built-in programmable gain amplifier, ideal for precision measurement applications.

Product Features and Performance

20-bit resolution

Sigma-Delta architecture

7 samples per second

Single differential input

Programmable gain amplifier

SPI data interface

External reference voltage

7V to 5.25V analog supply voltage

7V to 5.25V digital supply voltage

Operating temperature range from -40°C to +105°C

Product Advantages

High-resolution ADC suited for precise measurements

Low power consumption ideal for battery-powered devices

Programmable gain allows for amplification of small signals

Built-in PGA for directly interfacing with sensors

Compatible with SPI interface for easy microcontroller integration

Key Technical Parameters

Number of Bits: 20

Sampling Rate (Per Second): 16.7

Input Type: Differential

Number of Inputs: 1

Voltage Supply, Analog: 2.7V ~ 5.25V

Voltage Supply, Digital: 2.7V ~ 5.25V

Operating Temperature: -40°C ~ 105°C

Quality and Safety Features

Robust temperature range for harsh environments

Compatibility

SPI interface for easy connectivity with most microcontrollers

Application Areas

Industrial process control

Precision sensor measurement

Portable instrumentation

Medical devices

Weigh scales

Strain gauge measurement systems

Product Lifecycle

Product Status: Active

No indication of nearing discontinuation

Availability of replacements or upgrades not specified

Several Key Reasons to Choose This Product

High precision 20-bit resolution for accurate measurement

Low power design suitable for portable devices

Integrated PGA simplifies analog signal chain design

Wide operating temperature range making it suitable for industrial applications

Reliable data transfer with SPI interface

Availability of active product status ensures long-term support and usage.