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The AD568SQ/883B is a high-precision 12-bit digital-to-analog converter manufactured by Analog Devices Inc. It features a ceramic LCC-28 package and operates within an extended temperature range of -55°C to +125°C. The device utilizes parallel word input loading and achieves a settling time of 0.05 µs. Designed for demanding environments, it meets MIL-STD-883 standards. Key electrical characteristics include a maximum linear error of 0.018% and operation with a nominal negative supply voltage of -15 V.
Verify the specific suffix 'SQ/883B' against official Analog Devices documentation to confirm military qualification and packaging details. Ensure compatibility with existing system power supplies, particularly the -15 V requirement. Confirm that the LCC-28 footprint matches the target PCB design constraints.
Select this component when 12-bit accuracy and fast settling are required in harsh thermal environments. Compare the 0.018% linearity error against application tolerance requirements. Verify that the parallel interface logic levels align with the host microprocessor or controller specifications.
This part belongs to the AD568 family of 12-bit DACs. The SQ/883B designation indicates a ceramic package variant qualified to MIL-STD-883 standards, distinguishing it from commercial plastic packages like the standard AD568JD or AD568KN.
Direct replacements must match the 12-bit resolution, LCC-28 package, and MIL-STD-883 qualification. Verify pinout compatibility and electrical parameters such as settling time and linearity before substitution.