Renesas ISLA224S25IR48EV1Z

Overview

ISLA224S25IR48EV1Z from Intersil is a FMC-based evaluation board designed to interface with the ISLA224S25 dual-channel 14-bit, 250 MSPS JESD204B ADC. It supports all speed grades (125/200/250 MSPS), connects directly to the ADCMB-HSFMC-EV1Z motherboard and third-party FPGA FMC platforms, and enables full characterization of high-speed serial data capture, deterministic latency, and multi-chip synchronization under real-world signal conditions.

For engineers reviewing the ISLA224S25IR48EV1Z datasheet, ISLA224S25IR48EV1Z pinout, ISLA224S25IR48EV1Z application, or ISLA224S25IR48EV1Z equivalent, this evaluation platform provides validated hardware for JESD204B link layer testing, SPI register-level configuration, analog input performance validation, and system-level timing alignment across multiple ADCs in radar, communications test, and high-speed imaging applications.

Technical Context

The ISLA224S25IR48EV1Z is not an IC but a fully assembled, RoHS-compliant FMC (FPGA Mezzanine Card) evaluation board compliant with ANSI/VITA 57.1-2010. It hosts the ISLA224S25 ADC in a 48-lead QFN package and implements matched CML differential routing for up to three JESD204B lanes operating at 4.375 Gbps, precision clock distribution with low-jitter LVDS inputs, and configurable analog input termination networks for 50 Ω single-ended or 100 Ω differential sources.

It integrates on-board power regulation delivering tightly regulated 1.8 V AVDD/OVDD supplies with <±1% tolerance and <10 mV ripple, thermal monitoring via onboard NTC thermistor, and SPI-accessible ADC control registers through an isolated USB-to-SPI bridge. The board supports both JESD204B Subclass 0 and Subclass 2 operation, including SYNC-driven multi-device alignment and deterministic latency calibration.

Key Specifications

Availability

ISLA224S25IR48EV1Z is available at Aetrix Electronics and suitable for radar antenna array prototyping, broadband communications test equipment development, and high-speed medical imaging system validation requiring stable component supply, traceable evaluation hardware, and documented JESD204B interoperability.

Supply support for ISLA224S25IR48EV1Z 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

Intersil (now part of Renesas Electronics) is a semiconductor company specializing in high-performance analog and mixed-signal ICs for precision data conversion, power management, and timing applications.

The ISLA224S25IR48EV1Z belongs to Intersil's high-speed ADC evaluation platform family, engineered to accelerate design-in of JESD204B-compliant converters in demanding RF and instrumentation systems where signal integrity, synchronization, and rapid system-level validation are critical.

FAQ

What is the primary function of the ISLA224S25IR48EV1Z?

The ISLA224S25IR48EV1Z is a FMC-form-factor evaluation board built around the ISLA224S25 dual-channel 14-bit, 250 MSPS ADC. Its purpose is to provide engineers with a production-ready hardware platform for validating JESD204B link operation, analog input performance, SPI register configuration, and multi-device synchronization-without requiring custom PCB design. It interfaces directly with FPGA carrier boards like the ADCMB-HSFMC-EV1Z.

Does the ISLA224S25IR48EV1Z support JESD204B Subclass 2 operation?

Yes, the ISLA224S25IR48EV1Z fully supports JESD204B Subclass 2 operation. It routes dedicated LVDS SYNCP/SYNCN inputs to the ISLA224S25's SYNC interface, enabling deterministic latency and multi-chip time alignment. The board's layout preserves signal integrity for sub-nanosecond skew between SYNC and clock signals, satisfying strict subclass 2 timing requirements as defined in the ISLA224S datasheet.

Which FPGA development platforms is the ISLA224S25IR48EV1Z compatible with?

The ISLA224S25IR48EV1Z complies with ANSI/VITA 57.1-2010 LPC FMC specifications and is mechanically and electrically compatible with any FPGA carrier board supporting that standard-including Xilinx Kintex/Virtex-based platforms, Intel (formerly Altera) Arria/Stratix FMC carriers, and third-party motherboards such as the ADCMB-HSFMC-EV1Z. Pin mapping follows VITA 57.1 signal definitions for clock, JESD204B lanes, and control I/O.

Can the ISLA224S25IR48EV1Z be used with lower-speed ISLA224S variants like ISLA224S20 or ISLA224S12?

Yes, the ISLA224S25IR48EV1Z supports all ISLA224S speed grades (125/200/250 MSPS) via firmware and configuration changes. The board's hardware-including clock conditioning, power delivery, and JESD204B lane routing-is designed for the full family. Users select the target speed grade during initialization using the provided software tools and SPI register settings, without hardware modification.

What power supply requirements does the ISLA224S25IR48EV1Z have?

The ISLA224S25IR48EV1Z requires a single +12 V DC input (2.0 mm barrel jack or FMC connector). Onboard DC/DC converters generate tightly regulated 1.8 V AVDD and OVDD rails with <±1% accuracy and <10 mV RMS ripple. Thermal monitoring ensures safe operation up to +85°C ambient, and power sequencing follows ISLA224S25's recommended AVDD-first, OVDD-second startup order.