AD1803JRU

Overview

The AD1803JRU is a high-speed, low-power analog-to-digital converter manufactured by Analog Devices Inc. It features a 12-bit resolution and operates with a sampling rate of 40 MSPS. The device utilizes a single +5V power supply and includes an internal voltage reference to simplify system design. It employs a pipelined architecture to achieve high throughput while maintaining low power consumption. The component is housed in a 28-pin PLCC package, suitable for surface-mount applications requiring compact form factors.

Feature Summary

• Integrated internal voltage reference eliminates external components
• Pipelined architecture ensures high throughput at low power
• Single-supply operation simplifies power management
• High-speed data conversion capabilities for real-time processing

Applications

• Medical imaging systems
• Industrial process control
• Communications equipment
• Test and measurement instruments

Procurement Notes

Verify the specific suffix JRU against the official Analog Devices datasheet to confirm package type and temperature range. Ensure compatibility with existing board layouts and power supplies before procurement. Check for obsolescence notices or lifecycle status updates on the manufacturer website.

Selection Notes

Consider the 40 MSPS sampling rate and 12-bit resolution when evaluating signal bandwidth requirements. The internal reference reduces bill of materials but may limit flexibility compared to external references. Evaluate thermal performance within the PLCC package for your specific enclosure constraints.

Part Context

The AD1803 series belongs to Analog Devices' portfolio of high-speed ADCs designed for demanding applications. This specific model represents a balance between speed and power efficiency, targeting markets where size and energy consumption are critical factors alongside data accuracy.

Replacement Considerations

Check for direct pin-compatible upgrades within the AD18xx family. Verify if newer generations offer improved SNR or lower power while maintaining the same interface and package.