Analog Devices Inc. AD6674-LF1000EBZ

Overview

AD6674-LF1000EBZ from Analog Devices is a low-frequency evaluation board designed for the AD6674-1000 dual-channel 14-bit analog-to-digital converter, supporting up to 1 GHz input bandwidth, JESD204B interface at up to 7.5 Gbps per lane, and configurable DDC/NSR/VDR signal processing modes. It enables RF receiver IF diversity testing in radar, communications, and instrumentation systems.

For engineers reviewing the AD6674-LF1000EBZ datasheet, AD6674-LF1000EBZ pinout, AD6674-LF1000EBZ application, or AD6674-LF1000EBZ equivalent, this board provides full SPI control, VisualAnalog/ACE software integration, FPGA-based data capture compatibility with ADS7-V1/V2, and verified NSR/VDR/DDC configuration workflows - critical for high-speed ADC validation and system-level timing alignment.

Technical Context

The AD6674-LF1000EBZ implements a wideband balun-driven analog input path optimized for ≤1 GHz signals, with independent channel A/B termination (50–500 Ω), buffer current tuning, and full-scale range adjustment to preserve linearity at high frequencies. It interfaces directly with ADS7-V1EBZ or ADS7-V2EBZ FPGA capture boards via FMC connector using 12 V/1 A and 3.3 V/3 A supplies.

Board-level clocking supports 750 MHz sample clock (J801) and 187.5 MHz or 375 MHz reference clock (J804), enabling NSR mode (21% BW, decimate-by-2) or VDR mode (25% BW, full-rate) operation. JESD204B link configuration (L=4, M=2, F=1, N′=16) is validated for both lane rate modes and includes PLL lock monitoring and data path reset control.

Key Specifications

Availability

AD6674-LF1000EBZ is available at Aetrix Electronics and suitable for RF receiver development, defense radar prototyping, and 5G infrastructure testing requiring stable component supply, traceable sourcing, and long-term evaluation board continuity.

Supply support for AD6674-LF1000EBZ 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

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, headquartered in Wilmington, MA.

The AD6674-LF1000EBZ belongs to Analog Devices' high-speed converter evaluation platform family, engineered specifically to accelerate validation of RF-sampling ADCs in demanding IF diversity, multi-channel receiver, and software-defined radio applications.

FAQ

What is the primary function of the AD6674-LF1000EBZ?

The AD6674-LF1000EBZ is a dedicated low-frequency evaluation board for the AD6674-1000 dual-channel 14-bit ADC, optimized for input signals up to 1 GHz. It provides complete hardware and software infrastructure-including balun-coupled analog inputs, JESD204B interface, SPI control, and ACE/VisualAnalog integration-to validate NSR, VDR, and DDC-based signal processing configurations without requiring custom PCB design. The AD6674-LF1000EBZ enables rapid characterization of dynamic range, SFDR, and noise floor under real-world RF conditions.

How does the AD6674-LF1000EBZ differ from the AD6674-1000EBZ?

The AD6674-LF1000EBZ uses a revised analog front-end layout (board revision 9680CE02B) with enhanced balun matching and reduced parasitic coupling to extend usable analog input bandwidth up to 1 GHz, whereas the AD6674-1000EBZ (revision 9680CE04B) targets full 2 GHz bandwidth. Both share identical digital interface, power architecture, and software compatibility, but the LF variant trades ultra-wideband performance for improved SNR and harmonic distortion below 1 GHz-making the AD6674-LF1000EBZ preferred for sub-6 GHz 5G, radar IF sampling, and instrumentation where phase noise and spurious-free dynamic range are prioritized over maximum frequency coverage.

Which FPGA data capture boards are compatible with the AD6674-LF1000EBZ?

The AD6674-LF1000EBZ is validated for use exclusively with the ADS7-V1EBZ and ADS7-V2EBZ FPGA-based data capture kits via standard FMC connector. These boards provide the required 12 V/6.5 A power delivery, JESD204B transceiver lanes, and firmware support for L=4/M=2/F=1/N′=16 configuration. No other third-party or custom FPGA platforms are supported out-of-the-box; successful operation requires the AD9680CE02B reference design files (schematic, BOM, Gerbers) provided by Analog Devices for the AD6674-LF1000EBZ.

Does the AD6674-LF1000EBZ require external power supplies?

No, the AD6674-LF1000EBZ does not require external power supplies. It derives all operating power-12 V at 1 A and 3.3 V at 3 A-directly from the host ADS7-V1EBZ or ADS7-V2EBZ FPGA data capture board through the FMC connector. This eliminates need for auxiliary power bricks or bench supplies during evaluation, simplifying lab setup and ensuring consistent voltage regulation aligned with the FPGA's power sequencing requirements. The AD6674-LF1000EBZ contains no onboard DC/DC converters or LDOs beyond those necessary for local biasing.

What software tools are required to operate the AD6674-LF1000EBZ?

Operation of the AD6674-LF1000EBZ requires Analog Devices' ACE (Analysis | Control | Evaluation) software with the official AD6674 plug-in, or VisualAnalog v1.0+ with preconfigured AD6674 canvas templates. SPIController is used for low-level register access and JESD204B link initialization (e.g., setting registers 0x56E, 0x570, 0x200). All tools-including ACE plug-in (.acezip), VisualAnalog binaries, and ADS7 FPGA bitstreams-are distributed via Analog Devices' High-Speed Converter Data Source portal and are mandatory for configuring NSR, VDR, or DDC modes on the AD6674-LF1000EBZ.