AD630SD/883B

Overview

The AD630SD/883B is a high-precision balanced modulator and demodulator IC manufactured by Analog Devices. It operates within a supply voltage range of 5 V to 16.5 V, with a typical operating voltage of 15 V. The device supports frequencies up to 2 MHz and features a 20-lead Side-Brazed Ceramic Dual In-Line Package (SBDIP). Designed for military and aerospace applications, it ensures reliability under extreme conditions.

Feature Summary

• Combines flexible commutating architecture with laser-trimmed accuracy and temperature stability
• Provides high dynamic range suitable for extracting weak signals from significant noise interference
• Features internal application resistor networks for precise closed-loop gain configurations

Applications

• Lock-in amplifier circuits requiring high precision signal extraction
• Military and aerospace instrumentation systems demanding extreme environmental reliability
• High-performance analog signal processing where low distortion is critical

Procurement Notes

Verify the specific suffix requirements for your design, as the AD630SD/883B denotes a military-grade variant with distinct qualification standards compared to commercial versions. Confirm that the side-brazed ceramic package aligns with your thermal and mechanical constraints. Ensure compatibility with existing system architectures before finalizing procurement decisions.

Selection Notes

Select this component when designing for environments requiring operation between -55°C and +125°C. It is appropriate for applications needing robust performance in harsh conditions where standard commercial parts may fail. Consider the SBDIP package for superior thermal dissipation and mechanical strength in specialized industrial or defense contexts.

Part Context

This part belongs to the AD630 series of precision modulators/demodulators. The SD/883B designation indicates a version qualified for military and aerospace use, adhering to strict reliability standards. It shares core functional characteristics with other AD630 variants but differs in packaging and environmental testing protocols.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Designers should consult official Analog Devices resources for cross-reference information regarding compatible alternatives.