SDC1742-412B

ADCs/DACs - Special Purpose Overview

The SDC1742-412B is a 12- and 14-bit hybrid Synchro/Resolver-to-Digital Converter manufactured by Analog Devices Inc. It converts analog synchro or resolver position signals into digital data. The device operates with dual power supplies of ±15V for analog circuits and 5V for digital logic. It features a parallel data interface and is housed in a 32-pin DIP package with dimensions of 0.900 inches (22.90mm). The component is rated for an industrial temperature range of -55°C to +125°C.

ADCs/DACs - Special Purpose Feature Summary

• Hybrid architecture supporting both 12-bit and 14-bit resolution modes
• Direct conversion from Synchro/Resolver inputs to digital output
• Parallel data interface for high-speed data transfer
• Dual supply operation: ±15V analog, 5V digital

ADCs/DACs - Special Purpose Applications

• Flight instrumentation systems
• Military servo control systems
• Artillery fire control systems
• Avionic systems
• Antenna monitoring and robotics

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix '412B' against current manufacturer documentation to confirm pinout compatibility and electrical specifications. Check for obsolescence status as this component series may have limited availability. Ensure that the 32-DIP package form factor matches the target PCB footprint requirements before procurement.

ADCs/DACs - Special Purpose Selection Notes

Select this component when interfacing directly with synchro or resolver sensors requiring high-resolution angular position feedback. Compare against the AD2S44 for lower-cost applications or the SDC1768 for alternative packaging options. Verify that the system can accommodate the required ±15V and 5V power rails and that the parallel interface timing meets the controller's requirements.

ADCs/DACs - Special Purpose Part Context

This part belongs to the SDC174x family of hybrid Synchro/Resolver-to-Digital converters. It is functionally related to parts such as the SDC1740-411 and SDC1742541B. These devices are designed for high-reliability environments where precise angular measurement is critical. The 'B' suffix typically denotes a specific manufacturing lot or qualification standard within the Analog Devices portfolio.

ADCs/DACs - Special Purpose Replacement Considerations

Potential substitutes include the SDC1740-411 and SDC1768. Verify pin compatibility and resolution settings. The AD2S44 offers a low-cost alternative but may differ in performance characteristics. Confirm that any replacement supports the same hybrid technology and input signal types.