AD5447YRU

Digital To Analog Converters Overview

The AD5447YRUZ is a dual-channel, 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. It features a parallel interface and operates on a single 2.5 V to 5.5 V supply. The device utilizes an R-2R ladder architecture with current outputs. Key electrical specifications include a maximum integral nonlinearity (INL) of ±1 LSB and differential nonlinearity (DNL) of -1/+2 LSB. It supports a 21.3 MSPS update rate and offers a multiplying bandwidth of 10 MHz. The component is housed in a 24-lead TSSOP package and functions within an extended temperature range of −40°C to +125°C.

Digital To Analog Converters Feature Summary

• Dual-channel 12-bit resolution with R-2R architecture
• High-speed parallel interface supporting 21.3 MSPS update rate
• 10 MHz multiplying bandwidth for 4-quadrant multiplication
• Integrated feedback resistor pins for external amplifier connection

Digital To Analog Converters Applications

• Portable battery-powered applications
• Waveform generators
• Programmable amplifiers and attenuators
• Digitally controlled calibration
• Ultrasound systems

Digital To Analog Converters Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and tape/reel configuration. Confirm RoHS compliance status and lead-free soldering requirements prior to integration. Ensure the selected variant matches the required thermal impedance and operating temperature range specifications.

Digital To Analog Converters Selection Notes

Select this component when dual-channel 12-bit precision is required alongside high-speed parallel data transfer. The internal feedback resistors simplify voltage output configurations when paired with external operational amplifiers. Verify that the system logic levels align with the specified input voltage thresholds for reliable communication at the target supply voltage.

Digital To Analog Converters Part Context

This part belongs to the AD5428/AD5440/AD5447 family of high-bandwidth multiplying DACs. The AD5447 specifically provides 12-bit resolution, whereas the AD5428 offers 8 bits and the AD5440 offers 10 bits. All variants share similar pinouts and functional characteristics but differ in resolution and accuracy specifications.

Digital To Analog Converters Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.