AD7391AR - Analog Devices Inc.

Manufacturer Part Number

AD7391AR

Manufacturer

Analog Devices

Introduction

The AD7391AR is a 10-bit digital-to-analog converter with an SPI interface, designed for precise voltage output applications.

Product Features and Performance

10-bit resolution

Single DAC configuration

Settling time of 70µs (typical)

Buffered voltage output

SPI data interface

Supports external reference voltage

Analog supply voltage range of 2.7V to 5.5V

Digital supply voltage range of 2.7V to 5.5V

Integral nonlinearity (INL) of ±2 LSB (max)

Differential nonlinearity (DNL) of ±0.9 LSB (max)

R-2R ladder architecture for high precision

Operating temperature range from -40°C to 125°C

8-SOIC package for surface mounting

Product Advantages

High-precision output suitable for demanding applications

Flexible operation across a range of supply voltages

Fast settling time enables rapid output adjustments

SPI interface allows for simple digital integration with various microcontrollers

Key Technical Parameters

Number of Bits: 10

Settling Time: 70µs (Typ)

Voltage - Supply, Analog: 2.7V ~ 5.5V

Voltage - Supply, Digital: 2.7V ~ 5.5V

INL/DNL (LSB): ±2 (Max), ±0.9 (Max)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Robust operating temperature ensures reliable performance in extreme conditions

Established manufacturer renowned for quality components

Compatibility

Compatible with systems requiring SPI communication and R-2R ladder DAC technology

Application Areas

Industrial process control

Data acquisition systems

Portable instrumentation

Automotive systems

Product Lifecycle

Status: Obsolete

Potential for limited stock availability or need for alternative solutions

Manufacturer might provide replacements or upgrade suggestions

Several Key Reasons to Choose This Product

Reliable performance from a well-respected manufacturer

Precision digital-to-analog conversion for accurate control

Versatile interface and power supply specifications for easy integration

Suitable for use in harsh environmental conditions

R-2R architecture renowned for stability and low error rates