Texas Instruments ADS5424EVM

Overview

ADS5424EVM from Texas Instruments is an evaluation module designed to characterize the ADS5424 14-bit, 105-MSPS analog-to-digital converter under real-world signal, clock, and supply conditions. It supports transformer-coupled or differential amplifier input paths, provides buffered digital output via a 40-pin IDC header, and accepts external SMA clock and analog inputs.

For engineers reviewing the ADS5424EVM datasheet, ADS5424EVM pinout, ADS5424EVM application, or ADS5424EVM equivalent, this page delivers verified board-level specifications, power configuration options (±5 V for amplifier path or +5 V/+3.3 V for transformer path), jumper-controlled input routing (SJP3/SJP4), SN74AVC16244 output buffering, and layout-optimized 6-layer PCB implementation.

Technical Context

The ADS5424EVM implements dual analog input signal conditioning paths: one using the THS4503 differential amplifier (requiring ±5 V supplies) and another using the ADT1-1WT 1:1 transformer (optimized for +5 V analog supply). Input selection is controlled by three-pin jumpers SJP3 and SJP4, with default configuration set to transformer coupling.

Digital outputs from the ADS5424 are actively buffered by the SN74AVC16244 level-translating driver before routing to the 40-pin J9 header. Power delivery uses discrete banana jack sockets-J1/J2 for digital ground and +3.3 V buffer supply, J3/J2 for +5 V analog supply, and J7/J8/J12 for ±5 V amplifier rails-enabling flexible, isolated supply staging.

Key Specifications

Availability

ADS5424EVM is available at Aetrix Electronics and suitable for high-speed data acquisition, RF receiver prototyping, and mixed-signal test bench development requiring stable component supply and traceable evaluation hardware sourcing.

Supply support for ADS5424EVM 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 specializing in analog, embedded processing, and high-performance data conversion technologies.

The ADS5424EVM belongs to TI's high-speed ADC evaluation platform family, engineered to accelerate time-to-test for communications infrastructure, instrumentation, and defense electronics applications demanding >100 MSPS sampling fidelity.

FAQ

What is the primary function of the ADS5424EVM?

The ADS5424EVM is a Texas Instruments evaluation module built specifically to validate the electrical performance and system integration of the ADS5424 14-bit, 105-MSPS analog-to-digital converter. It provides configurable analog input paths (transformer or differential amplifier), buffered digital output, and discrete power inputs to enable lab-based characterization across signal, clock, and supply variables - all within the ADS5424EVM hardware framework.

Which ADC devices does the ADS5424EVM support?

The ADS5424EVM supports the ADS5424 as its primary target device, and is also compatible with the ADS5423, ADS5433, and ADS5411 per the official user guide SLWU020B. Each device shares the same footprint and pinout on U1, allowing direct socket replacement - however, performance validation (e.g., ENOB, SFDR) must be performed separately for each variant, as the ADS5424EVM's design is optimized for the ADS5424's 105-MSPS operation.

How do I configure the ADS5424EVM for transformer-coupled input?

To configure the ADS5424EVM for transformer-coupled analog input, install jumpers SJP3 on pins 1–2 and SJP4 on pins 2–3 (default factory setting). Connect your single-ended signal to SMA connector J11, apply +5 V to J3 (AVDD) and return to J2 (GND), and supply +3.3 V to J4/J1 (DRVDD/DVDD) with return to J6/J2. This configuration routes the signal through the ADT1-1WT transformer and bypasses the THS4503/THS4601 amplifiers on the ADS5424EVM.

What digital interface does the ADS5424EVM provide for capturing ADC output?

The ADS5424EVM provides a 40-pin IDC header (J9) delivering parallel CMOS-level digital output from the ADS5424, including 14-bit data (D0–D13), clock (CLK), overflow flag (OVR), data ready (DRY), driver supply (DRVDD), and ground (GND). All data signals are buffered by the SN74AVC16244 to ensure signal integrity and logic analyzer compatibility - no FPGA or processor is required to observe raw ADC output on the ADS5424EVM.

Does the ADS5424EVM include on-board voltage regulation?

No, the ADS5424EVM does not include on-board voltage regulation. It requires externally supplied, regulated DC voltages delivered via banana jack sockets: +5 V for analog supply (J3/J2), +3.3 V for digital and buffer supplies (J1/J2, J4/J6), and ±5 V for differential amplifier biasing (J7/J8/J12). This architecture allows users to control supply sequencing, noise isolation, and headroom - critical for high-fidelity ADC evaluation - and is explicitly documented in the ADS5424EVM User's Guide SLWU020B.