Analog Devices Inc. EVAL-ADF7023DB5Z

Overview

EVAL-ADF7023DB5Z from Analog Devices is a fully assembled, production-ready evaluation board for the ADF7023 ultralow-power ISM-band FSK/GFSK/OOK/MSK/GMSK transceiver IC. It supports 862–928 MHz and 431–464 MHz operation, delivers −116 dBm receiver sensitivity at 1 kbps, enables programmable RF output from −20 dBm to +13.5 dBm (single-ended), and integrates on-chip AES-128/192/256 encryption and Reed Solomon error correction - deployed in smart metering and IEEE 802.15.4g wireless sensor networks.

For engineers reviewing the EVAL-ADF7023DB5Z datasheet, EVAL-ADF7023DB5Z pinout, EVAL-ADF7023DB5Z application, or EVAL-ADF7023DB5Z equivalent, this board provides validated RF layout, calibrated image rejection, SPI-controlled packet management, autonomous smart wake mode, and downloadable firmware modules for AES, IR calibration, and Reed Solomon - enabling rapid prototyping of battery-powered sub-GHz IoT endpoints without custom RF design.

Technical Context

The EVAL-ADF7023DB5Z implements the ADF7023 transceiver in a 5 mm × 5 mm, 32-pin LFCSP package with single-ended and differential PA outputs, integrated 26 MHz crystal oscillator, 32.768 kHz RTC oscillator, and on-chip 8-bit RISC communications processor. It supports full PHY-layer control via SPI, including automatic VCO calibration, fast AFC loop, and programmable IF bandwidths (100–300 kHz).

This board validates the ADF7023's low-power architecture: 12.8 mA RX current (max gain), 24.1 mA TX current (10 dBm, single-ended), 0.33 µA Deep Sleep Mode 1, and smart wake mode with autonomous carrier sense and packet sniffing - all while maintaining −12.2 dBm IP3 linearity and 66 dB blocking at ±2 MHz offset.

Key Specifications

Availability

EVAL-ADF7023DB5Z is available at Aetrix Electronics and suitable for smart metering, industrial wireless sensor networks, and IEEE 802.15.4g gateway development requiring stable component supply, traceable RF validation hardware, and production-aligned reference design.

Supply support for EVAL-ADF7023DB5Z 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, serving industrial, automotive, communications, and healthcare markets.

The EVAL-ADF7023DB5Z belongs to Analog Devices' sub-GHz RF evaluation platform family, designed to accelerate development of secure, ultra-low-power wireless endpoints for utility infrastructure and building automation systems.

FAQ

What is the primary function of the EVAL-ADF7023DB5Z?

The EVAL-ADF7023DB5Z is an evaluation board for the ADF7023 transceiver IC, providing a complete, tested RF front-end with matching network, crystal oscillators, SPI interface, and firmware-ready microcontroller interface. It enables engineers to validate packet transmission, receiver sensitivity, AES encryption, and smart wake mode behavior of the ADF7023 without designing custom PCBs. The EVAL-ADF7023DB5Z supports both single-ended and differential PA configurations and ships with preloaded firmware for immediate out-of-box testing.

Does the EVAL-ADF7023DB5Z support both 433 MHz and 868 MHz bands simultaneously?

No - the EVAL-ADF7023DB5Z is configured for one frequency band at a time. Its RF matching network and balun are optimized for either the 431–464 MHz range or the 862–928 MHz range, as specified in the board's silkscreen and schematic. Users must select the appropriate version (EVAL-ADF7023DB5Z-433 or EVAL-ADF7023DB5Z-868) or reconfigure external components per AN-1222 application note. The EVAL-ADF7023DB5Z itself does not support dual-band concurrent operation.

Can the EVAL-ADF7023DB5Z be used for FCC/ETSI certification pre-scan?

Yes - the EVAL-ADF7023DB5Z implements the ADF7023's RF layout per Analog Devices' certified reference design, including controlled impedance traces, optimized ground plane, and calibrated PA ramp profiles. It meets conducted emission requirements per FCC Part 15.247 and ETSI EN300-220 when operated within its specified power limits (≤+13.5 dBm single-ended). However, final certification requires integration into the end-product enclosure and antenna system; the EVAL-ADF7023DB5Z serves as a pre-scan and debug platform, not a certified module.

What firmware capabilities are preloaded on the EVAL-ADF7023DB5Z?

The EVAL-ADF7023DB5Z ships with factory-loaded firmware supporting full ADF7023 functionality: SPI-based radio state control, packet RAM read/write, Manchester/8b/10b encoding, CRC insertion/detection, AES-128 encryption module, and smart wake mode timer setup. It includes downloadable firmware modules for image rejection calibration and Reed Solomon coding, accessible via the ADI WSD software suite. No host MCU programming is required to execute basic transmit/receive and encryption tests on the EVAL-ADF7023DB5Z.

Is external antenna connection supported on the EVAL-ADF7023DB5Z?

Yes - the EVAL-ADF7023DB5Z provides a U.FL connector for direct connection to an external 50 Ω antenna, alongside a 0 Ω resistor option for populating an onboard chip antenna. The board includes RF test points (RFIO_1P/N, RFO2) and SMA-compatible pads for spectrum analyzer monitoring. Impedance matching is pre-tuned for both configurations, and the layout maintains ≥20 dB isolation between digital and RF sections - critical for validating real-world radiated performance on the EVAL-ADF7023DB5Z.