Analog Devices Inc. AD9689-2000EBZ

Overview

AD9689-2000EBZ from Analog Devices is a high-performance evaluation board for the AD9689 dual 14-bit, 2.0 GSPS analog-to-digital converter. It enables direct RF sampling of signals up to 5 GHz with 9 GHz analog input bandwidth, supports JESD204B Subclass 1 serial output (up to 16 Gbps/lane), and integrates two digital downconverters (DDCs) with 48-bit NCOs per channel. Designed for phased-array radar, LTE-A baseband receivers, and electronic warfare systems.

For engineers reviewing the AD9689-2000EBZ datasheet, AD9689-2000EBZ pinout, AD9689-2000EBZ application, or AD9689-2000EBZ equivalent, this page delivers verified technical context, key specifications, availability details, manufacturer background, and targeted FAQs - all focused on rapid integration into wideband communications and defense signal chain designs.

Technical Context

The AD9689-2000EBZ implements the full signal path of the AD9689 IC: dual 14-bit ADC cores with differential pipelined architecture, on-chip buffer, sample-and-hold, and integrated voltage reference. It routes analog inputs (VIN+A/VIN–A, VIN+B/VIN–B) through matched 50 Ω front-end networks and provides configurable clocking via LVDS/LVPECL CLK± and SYSREF± inputs.

This board supports deterministic latency operation in JESD204B Subclass 1 mode, multichip synchronization via SYNCINB±, and flexible DDC configuration (decimation, NCO frequency translation, phase-coherent switching). Power delivery follows Analog Devices' recommended 0.975 V/1.9 V/2.5 V rail scheme with dedicated AGND/DGND/DRGND planes and thermal management via exposed paddle.

Key Specifications

Availability

AD9689-2000EBZ is available at Aetrix Electronics and suitable for phased array radar development, DOCSIS 3.0 CMTS upstream receiver validation, and HFC reverse-path receiver prototyping requiring stable component supply and full evaluation capability.

Supply support for AD9689-2000EBZ 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 Norwood, MA, with deep expertise in precision data conversion and RF system solutions.

The AD9689-2000EBZ belongs to Analog Devices' high-speed ADC evaluation platform family, engineered specifically to accelerate design-in of wideband, low-latency, JESD204B-compliant converters for defense, communications infrastructure, and test equipment applications.

FAQ

What is the primary function of the AD9689-2000EBZ?

The AD9689-2000EBZ is an evaluation board designed to fully demonstrate and validate the performance of the AD9689 dual 14-bit, 2.0 GSPS analog-to-digital converter. It provides complete signal chain access-including analog inputs, clocking, JESD204B serial outputs, SPI control, and power regulation-to enable rapid characterization and integration into wideband receiver systems. The AD9689-2000EBZ supports all key features of the AD9689, including DDC operation, fast detect, and multichip synchronization.

Does the AD9689-2000EBZ support both 2.0 GSPS and 2.6 GSPS operation?

The AD9689-2000EBZ is configured and validated for 2.0 GSPS operation as indicated by its part number suffix "2000". While the underlying AD9689 IC supports 2.6 GSPS, the AD9689-2000EBZ board's layout, clock distribution network, and power delivery are optimized for stable 2.0 GSPS performance per channel. Operation at 2.6 GSPS requires verification of timing margins, lane rate compliance, and thermal behavior beyond the AD9689-2000EBZ's published specifications.

What clock sources are compatible with the AD9689-2000EBZ?

The AD9689-2000EBZ accepts differential clock inputs via LVDS or LVPECL signaling on CLK± pins, with specified differential voltage range of 300 mV p-p to 1800 mV p-p and common-mode voltage of 0.675 V. It also supports SYSREF± for JESD204B Subclass 1 synchronization and SYNCINB± for multidevice alignment. On-board UFL connectors allow direct connection to external signal generators or clock synthesizers meeting these electrical and jitter requirements.

Can the AD9689-2000EBZ be used for DOCSIS 3.0 upstream receiver testing?

Yes - the AD9689-2000EBZ is explicitly listed in Analog Devices' documentation for DOCSIS 3.0 CMTS upstream receive path evaluation. Its 2.0 GSPS sampling rate, 9 GHz analog input bandwidth, and programmable FIR filters support digitization and equalization of multi-channel upstream signals in the 5–65 MHz band. The AD9689-2000EBZ's JESD204B interface enables seamless connection to FPGA-based demodulation and packet processing subsystems.

Is the AD9689-2000EBZ pin-compatible with other AD96xx evaluation boards?

No - the AD9689-2000EBZ uses a custom 196-ball BGA carrier footprint matching the AD9689 IC's package, not a standardized socket or interposer. While it shares architectural similarities with AD9208-based boards (e.g., pin, package, and memory map compatibility at the IC level), the AD9689-2000EBZ has unique layout, power sequencing, and signal routing optimized for its specific ADC. Board-level interchangeability with AD962x or AD968x variants is not supported without hardware modification.