Analog Devices Inc. ADUM4401CRWZ-RL

Overview

ADUM4401CRWZ-RL from Analog Devices is a 4-channel, 5 kV_RMS digital isolator in a 16-lead SOIC wide-body (RW-16) package, supporting bidirectional communication with 90 Mbps data rate, 2 ns max pulse width distortion, and 3.3 V/5 V level translation across the isolation barrier. It delivers reinforced insulation per DIN EN IEC 60747-17 (VDE 0884-17), VIORM = 645 V_peak, and operates from −40°C to +105°C for use in motor drive gate driver interfaces and medical power supply feedback loops.

For engineers reviewing the ADUM4401CRWZ-RL datasheet, ADUM4401CRWZ-RL pinout, ADUM4401CRWZ-RL application, or ADUM4401CRWZ-RL equivalent, this page provides verified channel configuration (2 input/2 output on Side 1, 2 input/2 output on Side 2), output enable functionality per side, precise timing specs at 90 Mbps, and safety-certified creepage/clearance values for IEC 60601-1 and IEC 62368-1 compliance.

Technical Context

The ADUM4401CRWZ-RL implements iCoupler® monolithic air-core transformer technology with integrated refresh circuitry ensuring DC correctness during power-up, power-down, and signal idle states. Its architecture supports independent 3.0–5.5 V supplies on both sides, enabling mixed-voltage operation (e.g., 3.3 V logic interfacing to 5 V MCU or ADC).

It features dual output enable pins (VE1 on Side 1, VE2 on Side 2), allowing independent tri-state control of each side's outputs. Channel matching is specified at ≤2 ns (C grade), and common-mode transient immunity exceeds 25 kV/µs - critical for noisy motor drive and industrial bus environments.

Key Specifications

Pinout & Package

ADUM4401CRWZ-RL uses a 16-lead SOIC wide-body (RW-16) package with 7.8 mm minimum creepage and clearance, rated for reinforced insulation per DIN EN IEC 60747-17 (VDE 0884-17). Pin 1 is marked with a dot; the package is RoHS-compliant and halogen-free.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad-channel digital isolator applications.

Compared with SI8440AB-B-IS and ISO6741QDWR, ADUM4401CRWZ-RL uniquely provides dual independent output enables, 90 Mbps performance in a safety-certified RW-16 package, and guaranteed 2 ns timing precision - making it optimal for medical feedback loops and high-fidelity motor control where deterministic latency and fail-safe bus management are mandatory.

Availability

ADUM4401CRWZ-RL is available at Aetrix Electronics and suitable for motor drive gate driver interfaces, medical isolated power supplies, industrial PLC digital I/O modules, and energy meter communication interfaces requiring stable component supply and long-term lifecycle support.

Supply support for ADUM4401CRWZ-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, serving industrial, automotive, communications, and healthcare markets since 1965.

The ADuM440x family was designed specifically for high-reliability, safety-critical isolation in medical equipment, motor drives, and industrial automation - emphasizing low timing skew, reinforced insulation, and system-level EMC robustness.

FAQ

What is the channel configuration of ADUM4401CRWZ-RL?

ADUM4401CRWZ-RL has an asymmetric 2-input/2-output configuration per side: Side 1 (Pins 3–6) contains inputs VIA, VIB, VIC, and output VOD; Side 2 (Pins 10–14) contains inputs VID, and outputs VOD, VOC, VOB, VOA. This differs from ADUM4400 (4-input/0-output) and ADUM4402 (2-input/2-output mirrored), making ADUM4401CRWZ-RL ideal for bidirectional control links with dedicated enable pins VE1 and VE2.

Does ADUM4401CRWZ-RL support mixed-voltage operation?

Yes, ADUM4401CRWZ-RL supports independent 3.0–5.5 V supplies on VDD1 and VDD2, enabling true 3.3 V ↔ 5 V level translation across the isolation barrier. For example, a 3.3 V microcontroller can drive inputs on Side 1 while receiving 5 V-compatible outputs on Side 2 - eliminating external level shifters in mixed-voltage systems such as industrial sensor nodes interfacing to legacy 5 V ADCs.

What safety certifications apply to ADUM4401CRWZ-RL?

ADUM4401CRWZ-RL holds UL 1577 (5000 V_RMS), DIN EN IEC 60747-17 (VDE 0884-17) reinforced insulation (VIORM = 645 V_peak), IEC/EN/CSA 62368-1, IEC/CSA 60601-1 (2 MOPP), and IEC/CSA 61010-1 approvals. The RW-16 package provides 7.8 mm creepage/clearance, satisfying basic and reinforced insulation requirements for medical, industrial, and test equipment per applicable standards.

How does the output enable function work on ADUM4401CRWZ-RL?

ADUM4401CRWZ-RL features two independent output enable pins: VE1 (Pin 7) controls Side 1 outputs (VOD), and VE2 (Pin 10) controls Side 2 outputs (VOD, VOC, VOB, VOA). Both are active-high; pulling either low places its respective side's outputs in high-impedance state. This enables dynamic bus sharing, hot-swap I/O modules, and low-power sleep modes without altering signal routing or adding external logic.

What is the maximum operating temperature for ADUM4401CRWZ-RL?

ADUM4401CRWZ-RL is rated for continuous operation from −40°C to +105°C ambient temperature. Its thermal design - including θ_JCI = 33°C/W and θ_JCO = 28°C/W - ensures reliable performance in enclosed motor drive enclosures and medical power supplies where internal temperatures exceed 85°C. Derating curves per DIN EN IEC 60747-17 confirm safety-limiting values remain valid up to 105°C case temperature.