AD2S44SM13

Overview

The AD2S44SM13 is a 14-bit dual-channel synchro/resolver-to-digital converter housed in a 32-lead hybrid DIP package. It provides independent tracking for two channels with ±4.0 arc minute accuracy over the −55°C to +125°C range. The device utilizes a ratiometric conversion technique for noise immunity and features a built-in test facility. Electrical specifications include a typical tracking rate of 20 rev/sec, a bandwidth of 100 Hz, and an acceleration constant of 62,000 sec⁻². Power consumption is approximately 1.9 W at ±15 V supplies.

Feature Summary

• Dual-channel architecture with independent Type II servo loop tracking converters
• 14-bit resolution (1 LSB = 1.3 arc minutes) with parallel natural binary output
• Built-in test (BIT) output for fault detection and failsafe system integration
• Independent reference inputs allowing different frequencies per channel

Applications

• Gimbal and gyro control systems
• Military servo control and fire control systems
• Avionic systems and antenna monitoring
• CNC machine tooling and robotics

Procurement Notes

Verify the specific signal voltage option code (Z suffix) required for the application, as the base model supports multiple configurations including 90V/115V synchro or various resolver voltages. Confirm that the high-reliability B suffix processing meets the environmental screening standards necessary for the target deployment environment.

Selection Notes

Select this component when space, weight, and cost are critical constraints requiring dual-channel conversion. Ensure the input signal format matches the specific ordering suffix (synchro vs. resolver). Verify that the system's maximum acceleration does not exceed the limits defined by the 62,000 sec⁻² acceleration constant to maintain specified accuracy.

Part Context

This device belongs to the AD2S44 family of low-cost, high-reliability converters. It serves as a compact alternative to larger discrete solutions, utilizing proprietary BiMOS II process technology to minimize internal component count while maintaining high reliability standards suitable for harsh industrial and military environments.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.