ADC12DJ3200AAVT

Analog To Digital Converters (ADC) Overview

The ADC12DJ3200 is a dual-channel, 12-bit RF-sampling analog-to-digital converter (ADC) capable of operating at up to 6.4 GSPS in single-channel mode or 3.2 GSPS in dual-channel mode. It features an analog input bandwidth of 8.0 GHz (-3 dB) with an available input frequency range exceeding 10 GHz. The device utilizes a buffered analog input with a common-mode voltage (VICM) of 0 V and a default full-scale input voltage (VFS) of 0.8 Vpp differential. Key performance metrics include a noise floor of -151.8 dBFS/Hz in dual-channel mode and -154.6 dBFS/Hz in single-channel mode. Harmonic distortion (HD2, HD3) is specified at -65 dBc up to 3 GHz. The component operates on 1.1 V and 1.9 V power supplies with a typical power consumption of 3 W.

Analog To Digital Converters (ADC) Feature Summary

• Supports flexible hardware development through programmable trade-offs between channel count in dual-channel mode and Nyquist bandwidth in single-channel mode.
• Enables direct RF sampling for L, S, C, and X bands using a high-speed JESD204B interface with up to 16 serial lanes and Subclass 1 compatibility for deterministic latency.
• Integrates innovative synchronization features including noise-free aperture delay (TAD) adjustment with 19-fs steps and automatic SYSREF timing calibration.

Analog To Digital Converters (ADC) Applications

• Communication test equipment such as 5G and 802.11ad testers
• Phased array radar, signal intelligence (SIGINT), and electronic intelligence (ELINT)
• Software-defined radio (SDR) and microwave backhaul links

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'AAVT' against the official Texas Instruments datasheet to confirm package type and temperature rating. Ensure the ordering part number matches the exact revision required for your design. Cross-reference with authorized distributors to validate current availability and authenticity. Confirm that the device meets all environmental specifications for your intended application environment.

Analog To Digital Converters (ADC) Selection Notes

Select this component when designing systems requiring direct sampling of frequencies up to 10 GHz without intermediate mixing stages. It is suitable for applications demanding high dynamic range and wide instantaneous bandwidth. Consider the dual-channel architecture if space or power constraints require multiple channels within a single footprint. Evaluate the JESD204B lane requirements based on the desired data rate and system complexity.

Analog To Digital Converters (ADC) Part Context

The ADC12DJ3200 belongs to Texas Instruments' family of high-performance RF-sampling ADCs designed for demanding communication and radar applications. It serves as a solution for digitizing wideband signals directly at the antenna or RF front-end. The device simplifies system design by integrating digital downconverters and advanced synchronization capabilities, reducing the burden on downstream processing units.

Analog To Digital Converters (ADC) Replacement Considerations

For higher speed requirements, consider the ADC12DJ5200RF. For lower speed or different channel configurations, evaluate the ADC12QJ1600 or ADC12D1000. Verify pinout and register compatibility before substituting any alternative devices.

Analog To Digital Converters (ADC) FAQ

What is the maximum sample rate in single-channel mode?

The ADC12DJ3200 supports a maximum sample rate of 6.4 GSPS in single-channel mode.

Does the device support Subclass 1 of JESD204B?

Yes, the ADC12DJ3200 supports both Subclass 0 and Subclass 1 of the JESD204B standard, enabling deterministic latency and multi-device synchronization.

What is the analog input common-mode voltage?

The buffered analog input operates with a common-mode voltage (VICM) of 0 V.