Analog Devices Inc. ADN4604ASVZ-RL

Overview

ADN4604ASVZ-RL from Analog Devices is a 16 × 16 fully differential, nonblocking digital crosspoint switch optimized for NRZ signaling up to 4.25 Gbps per port. It features programmable receive equalization (12 dB boost at 2 GHz), programmable transmit preemphasis (up to 12 dB at 4.25 Gbps), and low jitter (20 ps typical). It serves as a high-speed signal routing engine in backplane interconnects for 10GBASE-KX4, Fibre Channel, and InfiniBand® systems.

For engineers reviewing the ADN4604ASVZ-RL datasheet, ADN4604ASVZ-RL pinout, ADN4604ASVZ-RL application, or ADN4604ASVZ-RL equivalent, this page delivers verified technical context, exact pin functions, real-world jitter and eye-diagram performance metrics, and validated alternative parts for high-speed serial switching design.

Technical Context

The ADN4604ASVZ-RL implements an asynchronous, protocol-agnostic 16×16 switch core with double-rank connection mapping-supporting two independent configuration maps (Map 0 and Map 1) for seamless state transitions. Each input channel includes a continuous-time equalizer and per-lane P/N inversion logic to eliminate board-level crossovers.

Each output supports programmable CML swing (600–900 mV p-p diff) and preemphasis (0–12 dB), with on-chip 50 Ω termination and flexible I/O supply ranges (VTTIE/VTTIW: 1.3–3.3 V; VTTON/VTTOS: 2.22–3.3 V). Control is via I²C (400 kHz) or SPI (10 MHz), selectable by the I2C/SPI pin.

Key Specifications

Pinout & Package

ADN4604ASVZ-RL is housed in a 100-lead Pb-free TQFP package with exposed paddle (EPAD) requiring connection to VEE for thermal compliance. The package supports JEDEC 4-layer board layout with θJA = 24.9°C/W.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar digital crosspoint switching applications.

Compared with MAX4824ETM+ and SI53302-A01AGM, the ADN4604ASVZ-RL uniquely delivers 16×16 scale, full 4.25 Gbps per port performance with integrated EQ/PE, making it the only option for high-density, long-reach serial backplane switching without external signal conditioning.

Availability

ADN4604ASVZ-RL is available at Aetrix Electronics and suitable for fiber optic network switching, high-speed serial backplane routing, and digital video distribution requiring stable component supply across extended product lifecycles.

Supply support for ADN4604ASVZ-RL 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 Norwood, MA.

The ADN4604ASVZ-RL belongs to Analog Devices' high-speed digital interface product line, engineered specifically for protocol-transparent, low-jitter signal routing in telecom, datacom, and broadcast video infrastructure.

FAQ

What is the maximum supported data rate per channel for the ADN4604ASVZ-RL?

The ADN4604ASVZ-RL supports up to 4.25 Gbps per port using NRZ encoding. This rating is validated across temperature (−40°C to +85°C) and supply voltage (2.7 V to 3.6 V) ranges, with deterministic jitter held to 20 ps p-p typical under full-load conditions. The ADN4604ASVZ-RL achieves this performance using on-chip equalization and preemphasis to maintain signal integrity on lossy FR4 backplanes.

Does the ADN4604ASVZ-RL support both I²C and SPI control interfaces?

Yes, the ADN4604ASVZ-RL supports both I²C (up to 400 kHz) and SPI (up to 10 MHz) control modes. Interface selection is made via the dedicated I2C/SPI pin (Pin 26): logic low enables I²C mode (using ADDR0/ADDR1, SDA, SCL), logic high enables SPI mode (using ADDR0/CS, ADDR1/SDI, SDA/SDO, SCL/SCK). Both protocols provide full access to all configuration registers, including connection maps and per-port EQ/PE settings.

How does the ADN4604ASVZ-RL handle input signal polarity inversion?

The ADN4604ASVZ-RL provides per-channel P/N pair inversion on all 16 inputs via SIGN[15:0] bits in RX control registers (Addresses 0x12 and 0x13). This function swaps differential polarity digitally, eliminating the need for physical PCB crossovers and associated impedance discontinuities. The feature is independent per lane and defaults to noninverting; it is especially valuable in dense routing scenarios where trace length matching and signal integrity are critical.

What thermal management requirements apply to the ADN4604ASVZ-RL package?

The ADN4604ASVZ-RL uses a 100-lead TQFP with an exposed paddle (EPAD) that must be electrically and thermally connected to the VEE plane. With θJA = 24.9°C/W on a JEDEC 4-layer board, the device dissipates up to 540 mA total supply current (ICC + ITTIE + ITTIW + VTTON + VTTOS) at full 4.25 Gbps operation. Proper EPAD soldering and VEE plane copper area are mandatory to maintain junction temperature below 150°C under worst-case ambient (+85°C) conditions.

Can the ADN4604ASVZ-RL operate with ac-coupled inputs and outputs?

Yes, the ADN4604ASVZ-RL fully supports ac-coupled differential CML I/O. Its inputs accept dc- or ac-coupled signals with internal 50 Ω termination, and outputs drive ac-coupled loads with programmable swing and preemphasis. The device specifies performance (jitter, eye height, propagation delay) explicitly under ac-coupled conditions with 800 mV p-p differential input swing and 50 Ω far-end terminations - matching standard high-speed serial interface practices.