AD7243AR - Analog Devices Inc.

Manufacturer Part Number

AD7243AR

Manufacturer

Analog Devices

Introduction

The AD7243AR is a precision 12-bit Digital-to-Analog Converter (DAC) from the DACPORT® series, designed primarily for high-performance data acquisition systems.

Product Features and Performance

12-bit resolution for precise data conversion

Single D/A Converter offering streamlined output

Fast settling time of 10µs for quick response applications

Buffered voltage output for direct connection to external components

SPI data interface for efficient digital communication

Dual-mode reference voltage capability allowing for external or internal references

R-2R architecture known for reliability and accuracy

Capability to operate within a wide analog supply voltage range of ±10.8V to 16.5V

Product Advantages

High precision and accuracy with INL/DNL of ±1 LSB (Max) and ±0.9 LSB (Max)

Flexible reference input supporting a wide range of voltage references

Temperature range of -40°C to 85°C enables usage in harsh environments

Key Technical Parameters

Resolution: 12-bit

Number of D/A Converters: 1

Settling Time: 10µs

Output Type: Voltage - Buffered

SPI Interface

Reference Type: External, Internal Selectable

Voltage Supply, Analog: ±10.8V to 16.5V

Quality and Safety Features

Exhibits excellent linearity with low integral and differential nonlinearity

Operates reliably in extreme temperatures

Packaged in 16-SOIC ensuring robustness and ease of mounting

Compatibility

SPI communication protocol for compatibility with a broad range of microcontrollers and digital interfaces

Application Areas

Data acquisition

Automation systems

Industrial control systems

Product Lifecycle

Obsolete status, check for replacement models or upgrades

Availability of potential substitutes or next-generation upgrades may vary

Key Reasons to Choose This Product

High-resolution DAC suitable for precise data acquisition tasks

Fast settling time ideal for real-time applications

Flexible voltage references make it adaptable to different systems

The robust design operates efficiently in a wide range of temperatures

Suitable for surface mount technology (SMT) for streamlined PCB design

R-2R ladder architecture ensures reliable outputs