Analog Devices Inc. AD2S44UM

AD2S44UM - 14-Bit Dual Channel Resolver-to-Digital Converter

The AD2S44UM from Analog Devices is a high-precision, dual-channel resolver-to-digital (R/D) converter designed for demanding aerospace, automotive, industrial automation, and medical equipment applications. With 14-bit resolution and an extended operating temperature range of -55°C to 125°C, this converter delivers reliable performance in harsh environments where accuracy and long-term stability are critical.

Key Features & Benefits

• 14-Bit Resolution: Ensures precise angular position measurement for motion control and feedback systems
• Dual Channel Design: Supports two independent resolver inputs for multi-axis applications
• Parallel Data Interface: Enables fast, direct integration with microcontrollers and DSPs
• Wide Operating Temperature: -55°C to 125°C range qualifies for military, aerospace, and extreme industrial environments
• Dual ±15V Supply: Standard industrial power supply compatibility
• Through-Hole Mounting: 32-CDIP package provides robust mechanical connection and excellent thermal performance

Typical Applications

• Aerospace flight control and actuation systems
• Automotive electric power steering and motor control
• Industrial robotics and CNC machinery
• Medical imaging equipment and surgical robotics
• Radar antenna positioning systems
• High-reliability servo systems

Why Choose the AD2S44UM?

Analog Devices' AD2S44 series represents decades of proven resolver interface technology. The AD2S44UM variant offers extended temperature qualification and long lifecycle support, making it the preferred choice for programs requiring traceability, consistent supply, and field-proven reliability. With comprehensive datasheets and application notes available, integration is straightforward and well-documented.

For detailed electrical characteristics, timing diagrams, and application circuits, please refer to the official AD2S44 datasheet.

• AD2S44UM.pdf