SDC1742-411B

ADCs/DACs - Special Purpose Overview

The SDC1742-411B is a hybrid 14-bit continuous tracking synchro-to-digital converter manufactured by Analog Devices Inc. It utilizes the proprietary BiMOS II process, integrating CMOS logic with bipolar linear circuits on a single chip. The device provides true electrical isolation between signal and reference voltage inputs via an internal isolation micro-transformer. Encased in a hermetically sealed 32-pin welded metal DIP package, it supports a military temperature range of -55°C to +125°C. Key specifications include ±15V and 5V power supplies, parallel data interface, and laser-trimmed accuracy without external adjustments.

ADCs/DACs - Special Purpose Feature Summary

• Hybrid 14-bit resolution with three precision options
• Internal isolation micro-transformer for signal/reference separation
• Military-grade operation from -55°C to +125°C
• Hermetically sealed 32-pin welded metal DIP package

ADCs/DACs - Special Purpose Applications

• Continuous tracking synchro systems
• Resolver-to-digital conversion
• High-reliability aerospace instrumentation

ADCs/DACs - Special Purpose Procurement Notes

Verify component authenticity through authorized channels due to potential availability constraints. Confirm specific suffix designations (e.g., -411B) match exact performance grades and packaging requirements. Check for end-of-life status or obsolescence notices prior to procurement planning.

ADCs/DACs - Special Purpose Selection Notes

Select this model for applications requiring high-resolution angular position feedback with galvanic isolation. Ensure system power supplies align with the required ±15V and 5V rails. Verify that the 32-pin DIP footprint fits the target PCB layout and thermal management strategy.

ADCs/DACs - Special Purpose Part Context

Part of the SDC/RDC1740/1741/1742 series of converters. Shares core BiMOS II technology and isolation architecture with siblings like SDC1740 and SDC1742 variants, differing primarily in pinout configurations and specific accuracy grades defined by the suffix.

ADCs/DACs - Special Purpose Replacement Considerations

Direct pin-compatible replacements within the same family include SDC1740-411B or SDC1742-412. Verify functional equivalence regarding resolution and isolation before substitution.