RDC1740448B

ADCs/DACs - Special Purpose Overview

The RDC1740-448B is a hybrid Synchro or Resolver-to-Digital Converter manufactured by Analog Devices Inc. It operates within a military temperature range of -55°C to +125°C and requires dual ±15V power supplies (14.25V to 15.75V). The device features a maximum tracking rate of 18 revolutions per second and supports signal frequencies up to 400 Hz. It provides a maximum angular measurement accuracy of 8.5 arc minutes. The component is housed in a hermetically sealed metal MDIP32 package with dimensions of 1.740 x 1.140 inches.

ADCs/DACs - Special Purpose Feature Summary

• Hybrid construction for high reliability in harsh environments
• Military-grade temperature rating (-55°C to +125°C)
• High precision angular conversion with 8.5 arc minute accuracy
• Hermetically sealed metal MDIP32 package

ADCs/DACs - Special Purpose Applications

• Flight instrumentation systems
• Military servo control systems
• Avionic systems
• Artillery fire control systems

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix '448B' against official Analog Devices documentation, as standard listings often reference variants like '-413B' or '-418B'. Confirm that the requested part number corresponds to the exact resolution and pinout configuration required for the application. Ensure the supplier provides traceability for the hermetically sealed hybrid package.

ADCs/DACs - Special Purpose Selection Notes

Select this component when operating in extreme temperature environments requiring military qualification. The 18 rps tracking rate and 400 Hz input frequency suitability define its performance envelope. Verify compatibility with the ±15V supply rails and ensure the system can accommodate the physical dimensions of the 32-pin dual inline metal package.

ADCs/DACs - Special Purpose Part Context

The RDC1740 series comprises 12-bit and 14-bit hybrid converters designed for converting synchro and resolver signals into digital data. This family is engineered for high-reliability applications where analog-to-digital conversion of rotary position sensors is critical. The hybrid technology allows for robust performance in demanding industrial and aerospace sectors.

ADCs/DACs - Special Purpose Replacement Considerations

The AD2S44 is a low-cost, 14-bit dual-channel alternative. The SDC1768 offers similar 12- and 14-bit hybrid capabilities. Cross-check pinouts and resolution specifications before substituting.