AD5764ASUZ-REEL7

Overview

The AD5764ASUZ-REEL7 is a quad, 16-bit digital-to-analog converter (DAC) featuring bipolar voltage output and serial input. It operates from supply voltages of ±11.4 V to ±16.5 V with a nominal full-scale range of ±10 V. The device provides integrated output amplifiers, reference buffers, and power-up control circuitry. Key specifications include a maximum settling time of 10 μs, ±1 LSB maximum INL error for the C grade, and low noise of 60 nV/√Hz. It utilizes an iCMOS process technology and supports a DSP/microcontroller-compatible serial interface operating at clock rates up to 50 MHz.

Feature Summary

• Quad 16-bit resolution with programmable output ranges of ±10 V, ±10.2564 V, or ±10.5263 V
• High accuracy with ±1 LSB maximum INL and DNL errors (C Grade)
• Integrated reference buffers and output amplifiers with simultaneous updating via LDAC
• Digital offset and gain adjust registers per channel with asynchronous CLR to zero code

Applications

• Industrial automation
• Open-loop/closed-loop servo control
• Process control
• Data acquisition systems
• Automatic test equipment

Procurement Notes

Verify the specific grade (A, B, or C) required for your application, as INL performance varies significantly between grades. Confirm that the reel packaging matches your automated assembly requirements. Ensure compatibility with the ±11.4 V to ±16.5 V analog supply rails and 2.7 V to 5.25 V digital supply during system design.

Selection Notes

Select the C grade if guaranteed monotonicity and ±1 LSB INL are critical for precision applications. Choose the A or B grade if cost optimization is prioritized and higher nonlinearity errors are acceptable. Consider the internal reference buffers if external precision references are not available, noting that the REFAB and REFCD pins require an external 1 V to 7 V reference source.

Part Context

This component belongs to the AD5764 family of high-performance DACs. The 'ASUZ' suffix indicates the 32-lead TQFP package variant. The '-REEL7' suffix denotes the tape and reel packaging format, typically containing 500 units per reel, designed for surface-mount assembly processes.

Replacement Considerations

The AD5764R is a related device within the same family that includes an internal voltage reference, eliminating the need for external reference components on the REFAB/REFCD pins. Designers requiring internal references should evaluate the AD5764R as a potential alternative.