AD9984AKCPZ-140

Overview

The AD9984AKCPZ-140 is a high-performance 10-bit display interface IC from Analog Devices. It integrates three analog-to-digital converters with a maximum conversion rate of 140 MSPS and a full-power analog bandwidth of 300 MHz. The device operates on a single 1.8 V supply for the analog core and supports digital outputs powered by 1.8 V to 3.3 V. It features an internal PLL, automatic gain matching, and automated offset adjustment. The component is housed in a 64-lead LFCSP package and functions within a temperature range of 0°C to 70°C.

Feature Summary

• Integrates triple 10-bit ADCs with automatic gain matching and offset adjustment capabilities.
• Includes an on-chip PLL for sample clock generation with coast mode support.
• Provides programmable output formatting for 4:4:4, 4:2:2, and DDR modes.
• Features comprehensive sync processing including SOG filtering and odd/even field detection.

Applications

• Advanced TVs
• Plasma display panels
• LCDTV
• HDTV
• RGB graphics processing

Procurement Notes

Verify the specific suffix 'CPZ' corresponds to the 64-lead LFCSP package variant rather than the LQFP option. Confirm that the '-140' designation aligns with the 140 MSPS maximum conversion rate specification. Ensure compatibility with the required 1.8 V analog and 1.8 V to 3.3 V digital power supplies during system integration.

Selection Notes

Select this component when designing systems requiring digitization of YPbPr or RGB signals up to 1080p resolution. The 140 MSPS speed limit suits standard HDTV formats but may restrict higher refresh rate applications compared to the 170 MSPS variants. Consider the LFCSP package constraints for PCB layout and thermal management requirements.

Part Context

This part belongs to the AD9984A series of display interface ICs designed for capturing video and graphics signals. It serves as a bridge between analog video sources and digital processing units like FPGAs or ASICs. The device consolidates signal conditioning, sampling, and data formatting into a single monolithic solution.

Replacement Considerations

The AD9984AKSTZ-140 offers identical electrical performance but utilizes an 80-lead LQFP package instead of the LFCSP form factor. Designers must account for significant footprint and pinout differences when substituting these packages.