SDC1768511

Encoders, Decoders, Converters Overview

The SDC1768511 is a hybrid synchro-to-digital converter manufactured by Analog Devices Inc. It functions as a continuous tracking resolver-to-digital converter utilizing a type 2 servo loop architecture. The device provides digital output data through integrated three-state latches, ensuring signal integrity during read operations. Designed for high-precision angular position sensing, it supports both 12-bit and 14-bit resolution modes to accommodate varying system accuracy requirements. The component operates within a military-grade temperature range of -55°C to +125°C, making it suitable for harsh environments. It requires dual power supplies, typically ±15V for analog circuits and 5V for digital logic, to drive the internal servo mechanisms and interface with host processors.

Encoders, Decoders, Converters Feature Summary

• Continuous tracking capability using a type 2 servo loop for real-time angle conversion
• Integrated three-state latches on digital outputs for reliable data transfer
• Configurable resolution supporting both 12-bit and 14-bit precision modes
• Military-grade thermal stability rated for operation from -55°C to +125°C

Encoders, Decoders, Converters Applications

• Avionic systems for flight control and navigation
• Servo mechanisms requiring precise angular feedback
• Artillery fire control systems for target acquisition
• Engine controllers in aerospace applications

Encoders, Decoders, Converters Procurement Notes

Verify the specific suffix '511' against official Analog Devices documentation to confirm pinout compatibility and electrical specifications. Ensure that the required dual voltage supplies (±15V and 5V) are available in the design. Confirm that the three-state latch outputs match the input requirements of the target microprocessor or FPGA interface. Check for any recent product change notices regarding lead-free compliance or packaging updates.

Encoders, Decoders, Converters Selection Notes

Select this component when high-reliability synchro or resolver signals must be converted to digital format in demanding environments. The hybrid construction offers robustness compared to monolithic alternatives. Consider the SDC1768 family variants if different package styles or minor electrical variations are needed. Evaluate the need for 14-bit resolution versus 12-bit based on the mechanical encoder's accuracy requirements. Ensure the system can provide the necessary ±15V analog supply rails.

Encoders, Decoders, Converters Part Context

The SDC1768511 belongs to the broader SDC/RDC176x series of hybrid synchro-to-digital converters produced by Analog Devices. This family includes related parts such as the SDC1768 and RDC1768, which share similar core architectures but may differ in package options or specific electrical characteristics. These devices were designed to replace older electromechanical synchro systems with solid-state digital solutions. The series is well-established in aerospace and defense industries for critical motion control applications.

Encoders, Decoders, Converters Replacement Considerations

Publicly confirmed substitute part numbers for the SDC1768511 are not available in standard distributor catalogs. Designers should consult Analog Devices directly for current obsolescence status and potential qualified replacements within the ADI portfolio.