Texas Instruments ADC12DL2500EVM

Overview

ADC12DL2500EVM from Texas Instruments is an evaluation module designed to characterize the ADC12DL2500 dual-channel, 12-bit analog-to-digital converter operating at up to 2.5 GSPS in dual-channel mode or 5 GSPS in single-channel mode. It features transformer-coupled signal inputs (500 kHz–9 GHz), onboard LMX2582 clock synthesizer, high-speed LVDS data output via a 400-pin SEARAY® connector, and USB-based SPI programming via FT4232.

For engineers reviewing the ADC12DL2500EVM datasheet, ADC12DL2500EVM pinout, ADC12DL2500EVM application, or ADC12DL2500EVM equivalent, this EVM enables full performance validation of RF-sampling ADCs in wideband communications, radar, and electronic warfare systems - with support for external clock injection, foreground/background calibration, and integration with the TSW14DL3200EVM capture board and HSDC Pro software.

Technical Context

The ADC12DL2500EVM interfaces directly with the ADC12DL2500 IC, providing transformer-coupled single-ended (VINA/VINB) and differential (INA±/INB±) analog inputs, plus optional DEVCLK and CLKIN0 ports for external clocking and 10-MHz reference synchronization. It implements on-board clock generation using the LMX2582 PLL/VCO and LMK04828 jitter cleaner.

Signal path integrity is maintained through SMA-connected bandpass filtering, temperature monitoring via LM95233, and register-level configuration via FTDI USB-to-SPI bridge. Data capture requires the TSW14DL3200EVM, which supports up to 48 LVDS data pairs at 1600 Mbps and uploads samples to PC via USB 3.0 for analysis in HSDC Pro.

Key Specifications

Availability

ADC12DL2500EVM is available at Aetrix Electronics and suitable for RF test benches, defense radar prototyping, 5G mmWave baseband development, and high-speed data acquisition systems requiring stable component supply and full-featured evaluation infrastructure.

Supply support for ADC12DL2500EVM includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and communications markets.

The ADC12DL2500EVM belongs to TI's high-speed data converter evaluation platform family, engineered specifically to accelerate design-in and performance validation of RF-sampling ADCs in demanding wideband applications.

FAQ

What is the primary function of the ADC12DL2500EVM?

The ADC12DL2500EVM is an evaluation module built to fully assess the performance of the ADC12DL2500 RF-sampling analog-to-digital converter. It provides signal conditioning, clock generation, register programming, and LVDS data output routing - enabling engineers to validate dynamic parameters like SNR, SFDR, and ENOB under real-world RF input conditions up to 9 GHz. The ADC12DL2500EVM must be used with the TSW14DL3200EVM for data capture and HSDC Pro software for analysis.

Does the ADC12DL2500EVM support external clocking?

Yes, the ADC12DL2500EVM supports external clocking via the DEVCLK SMA connector, allowing users to inject a low-noise RF clock signal between 0.8 GHz and 3.2 GHz. Hardware modifications (removing C114/C124 and populating C24/C25) are required to enable this mode. The board also accepts a 10-MHz reference on CLKIN0 to lock the onboard LMK04828 and achieve coherent sampling - a capability confirmed in TI's SLAU776A User's Guide.

Which software tools are required to operate the ADC12DL2500EVM?

Two software tools are mandatory: the standalone ADC12DLXX00EVM Configuration GUI (for programming ADC registers, clock sources, and calibration modes) and the High-Speed Data Converter Pro (HSDC Pro) software (for data capture, FFT analysis, and spectral validation). Both are freely available from ti.com. The ADC12DL2500EVM firmware and FPGA image for the companion TSW14DL3200EVM must also be loaded via HSDC Pro before first use.

Can the ADC12DL2500EVM be used independently without the TSW14DL3200EVM?

No - the ADC12DL2500EVM does not include on-board memory or USB data streaming capability. Its LVDS output is routed exclusively to the 400-pin SEARAY® FMC-compatible connector and requires connection to the TSW14DL3200EVM for data capture, buffering, and transfer to a host PC. Attempting to use the ADC12DL2500EVM without the TSW14DL3200EVM results in no accessible digital output.

How is calibration performed on the ADC12DL2500EVM?

Calibration is executed via the "Cal Triggered/Running" button in the Control tab of the ADC12DLXX00EVM Configuration GUI. This initiates a foreground calibration sequence that corrects gain, offset, and timing mismatches within the ADC12DL2500. Calibration must be repeated after any sampling rate change, significant temperature shift (>5°C), or exit from power-down mode - as specified in the ADC12DL2500 datasheet and verified in Section 3.10 of SLAU776A.