Analog Devices Inc. ADRF5716BCCZN

Overview

ADRF5716BCCZN from Analog Devices is a silicon-based 2-bit digital RF attenuator operating from 100 MHz to 30 GHz, delivering 48 dB attenuation range in precise 16 dB steps, with insertion loss of 1.6 dB at 8 GHz and ±0.25 + 3.6% attenuation accuracy up to 8 GHz - deployed in 5G mmWave base station front-ends for dynamic gain control.

For engineers reviewing the ADRF5716BCCZN datasheet, ADRF5716BCCZN pinout, ADRF5716BCCZN application, or ADRF5716BCCZN equivalent, key selection criteria include ultra-wideband frequency coverage, dual-supply (±3.3 V) or single-supply (3.3 V/0 V) operation, 130 ns RF amplitude settling time, and LGA package thermal performance at +105°C case temperature.

Technical Context

The ADRF5716BCCZN implements a fixed 2-bit attenuator array with parallel-mode digital control via D5 (LSB) and D6 (MSB), enabling four discrete states (0/16/32/48 dB), latched or direct via LE pin. Its RF path is DC-coupled, internally matched to 50 Ω, and bidirectional with identical power handling at ATTIN and ATTOUT.

It supports dual-supply operation (VDD = +3.3 V, VSS = −3.3 V) for optimal linearity (P0.1dB = 30 dBm, IIP3 = 50 dBm) or single-supply mode (VDD = +3.3 V, VSS = GND) with trade-offs in RF performance - including reduced P0.1dB (21 dBm) and IP3 (35–36 dBm).

Key Specifications

Pinout & Package

ADRF5716BCCZN is housed in a RoHS-compliant 20-terminal, 3.00 mm × 3.00 mm land grid array (LGA) package (package option CC-20-9) with exposed thermal pad (EPAD) requiring connection to PCB ground for RF and thermal integrity.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar RF attenuator applications.

Compared with HMC624LP4E and PE43711, the ADRF5716BCCZN uniquely delivers 30 GHz bandwidth with 16 dB coarse steps in an LGA package optimized for thermal management - making it the only option among the three qualified for 5G FR2 and military mmWave deployment.

Availability

ADRF5716BCCZN is available at Aetrix Electronics and suitable for 5G millimeter wave infrastructure, military radar systems, and high-frequency test instrumentation requiring stable component supply across extended temperature (−40°C to +105°C) and long-lifecycle programs.

Supply support for ADRF5716BCCZN 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 semiconductors, headquartered in Wilmington, MA, serving precision, industrial, communications, and defense markets.

The ADRF5716BCCZN belongs to Analog Devices' RF & Microwave Digital Attenuator product line, engineered specifically for ultra-wideband, high-linearity amplitude control in next-generation mmWave communication and electronic warfare systems.

FAQ

What is the maximum operating frequency of the ADRF5716BCCZN?

The ADRF5716BCCZN operates from 100 MHz up to 30 GHz - fully covering sub-6 GHz, C-band, X-band, Ku-band, K-band, and Ka-band frequencies. This ultra-wideband capability eliminates the need for multiple narrowband attenuators in 5G mmWave base stations and military radar front-ends, where consistent performance across 30 GHz is critical for system-level calibration and signal integrity.

Does the ADRF5716BCCZN require external DC blocking capacitors on its RF ports?

No, the ADRF5716BCCZN features DC-coupled ATTIN and ATTOUT ports matched to 50 Ω, so no external DC blocking capacitors are required when the RF line potential is at 0 V DC. This simplifies PCB layout, reduces insertion loss variance, and avoids parasitic resonances - especially beneficial in compact microwave radio and VSAT modules where board space and broadband matching are constrained.

Can the ADRF5716BCCZN operate from a single positive supply?

Yes, the ADRF5716BCCZN supports single-supply operation with VDD = +3.3 V and VSS tied to ground. However, this mode trades off RF performance: P0.1dB drops from 30 dBm to 21 dBm, and IIP3 decreases to 35–36 dBm. Use dual ±3.3 V supply when linearity and power handling are critical - such as in ECM transmitters or calibrated test equipment - and single supply only in size- or cost-constrained applications where moderate distortion is acceptable.

What is the thermal resistance (θJC) of the ADRF5716BCCZN package?

The ADRF5716BCCZN has a junction-to-case (θJC) thermal resistance of 50°C/W, measured from channel to the bottom of the LGA package under simulated conditions with the EPAD grounded to the PCB. This value assumes optimal thermal vias and copper pour beneath the exposed pad - essential for sustaining +105°C case temperature in high-power 5G mmWave and radar applications where thermal headroom directly impacts reliability and RF stability.

How does the latch enable (LE) pin function in the ADRF5716BCCZN?

The LE pin configures the ADRF5716BCCZN's parallel interface into either direct or latched mode. In direct mode (LE = high), D5/D6 changes immediately affect attenuation state. In latched mode (LE toggled low→high→low), D5/D6 values are sampled on the LE rising edge and held - preventing glitches during bus contention. This behavior is vital for deterministic timing in TDD systems and synchronized multi-device arrays where simultaneous, bounce-free state updates are mandatory.