AD9002TD

Overview

The AD9002TD is an 8-bit flash analog-to-digital converter (ADC) manufactured by Analog Devices Inc. It features a single-channel parallel data output interface housed in a CDIP-28 side-brazed ceramic DIP package. The device operates within an extended industrial temperature range of -55 °C to +125 °C and utilizes binary output coding. Electrical specifications include a maximum linear error of 0.4688%, with an analog input voltage range spanning from -2.1 V to 0.1 V. The component requires a nominal negative supply voltage of -5.2 V.

Feature Summary

• 8-bit resolution using flash conversion architecture
• Parallel access interface with 8-bit binary output
• CDIP-28 side-brazed ceramic package construction
• Extended operating temperature range from -55 °C to +125 °C

Applications

• High-speed data acquisition systems requiring parallel digital interfaces
• Industrial instrumentation operating in extreme thermal environments
• Military or aerospace electronic testing equipment
• Radar signal processing front-ends

Procurement Notes

Verify RoHS compliance status, as the component is listed as non-compliant. Confirm that the CDIP-28 ceramic package aligns with existing board layout constraints. Ensure power supply designs accommodate the specific -5.2 V nominal requirement and the defined analog input voltage limits to prevent damage.

Selection Notes

Select this component when high-speed parallel digitization is required over serial alternatives. The wide temperature rating makes it suitable for harsh environments where standard commercial parts fail. Verify that system logic levels match the parallel output format and that the 8-bit resolution meets the dynamic range requirements of the application.

Part Context

This part belongs to the Analog Devices ADC family, specifically utilizing flash methodology for speed. The 'TD' suffix typically denotes the specific ceramic DIP packaging variant. It serves as a legacy high-speed conversion solution compared to modern serial interface ADCs.

Replacement Considerations

Direct pin-compatible replacements are not explicitly confirmed in available public documentation. Evaluate other 8-bit flash ADCs from Analog Devices or competitors that offer CDIP-28 packages and similar electrical characteristics if sourcing becomes difficult.