Analog Devices Inc. ADUM241E0BRIZ

Overview

ADUM241E0BRIZ from Analog Devices is a quad-channel digital isolator based on iCoupler® technology, providing 5.0 kV_rms reinforced insulation for high-noise industrial and medical systems. It delivers 150 Mbps guaranteed data rate, 13 ns max propagation delay at 5 V, and operates across 1.8 V to 5 V supply rails with level translation. It is used in SPI isolation between microcontrollers and isolated ADCs in motor drive control units.

For engineers reviewing the ADUM241E0BRIZ datasheet, ADUM241E0BRIZ pinout, ADUM241E0BRIZ application, or ADUM241E0BRIZ equivalent, key selection criteria include its 100 kV/µs common-mode transient immunity, fail-safe high output option, SOIC_W-16 package with 7.8 mm creepage, and compliance with IEC 60601-1 (2 MOPP) and DIN EN IEC 60747-17 (VDE 0884-17).

Technical Context

The ADUM241E0BRIZ implements four independent unidirectional channels with input-side power (VDD1) and output-side power (VDD2) fully decoupled, enabling galvanic isolation and voltage translation. Its iCoupler® architecture uses monolithic air-core transformers instead of optocouplers, ensuring dc-correct output states without input transitions.

It features two enable inputs (VE1, VE2) controlling channel directionality and output tristate, with built-in undervoltage lockout (1.5 V–1.6 V thresholds) and fail-safe high output behavior when VDD1 is unpowered. Channel matching is ≤3.0 ns codirectional, supporting precise timing in synchronized serial interfaces.

Key Specifications

Pinout & Package

ADUM241E0BRIZ uses a 16-lead wide-body SOIC (RW-16, SOIC_W) package with reinforced insulation barrier separating pins 1–8 (side 1, VDD1 domain) from pins 9–16 (side 2, VDD2 domain). Creepage and clearance both measure 7.8 mm.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ADUM241D0BRIZ and SI8641ED-B-IS, the ADUM241E0BRIZ uniquely combines fail-safe high output behavior, full IEC 60601-1 2 MOPP approval, and identical SOIC_W pinout-making it the sole choice for certified medical isolation where power-loss safety logic must assert high.

Availability

ADUM241E0BRIZ is available at Aetrix Electronics and suitable for industrial motor control, medical diagnostics equipment, and energy metering systems requiring stable component supply, long-term lifecycle assurance, and certified reinforced insulation.

Supply support for ADUM241E0BRIZ 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 semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing technologies.

The ADuM24xxE series belongs to Analog Devices' iCoupler® digital isolator product line, designed specifically for safety-critical, high-noise environments including medical, industrial, and automotive systems demanding certified reinforced insulation and robust CMTI.

FAQ

What is the maximum guaranteed data rate for ADUM241E0BRIZ?

The ADUM241E0BRIZ guarantees a data rate of 150 Mbps across all operating conditions (−40°C to +125°C, 1.8 V–5 V supplies). This is validated per datasheet Table 1–Table 7 under specified load (CL = 15 pF) and CMOS signal levels. Higher rates may function but are not production-tested or warranted.

Does ADUM241E0BRIZ support level translation between different supply voltages?

Yes, ADUM241E0BRIZ supports true bidirectional level translation: VDD1 (input side) and VDD2 (output side) operate independently from 1.8 V to 5 V. For example, it can translate 1.8 V MCU GPIOs to 3.3 V isolated ADC control lines without external components, as confirmed in the General Description and Electrical Characteristics sections.

What safety certifications does ADUM241E0BRIZ hold?

ADUM241E0BRIZ holds UL 1577 (5000 V_rms), IEC/EN/CSA 62368-1, IEC/CSA 60601-1 (2 MOPP), IEC/CSA 61010-1, CQC GB4943.1, and DIN EN IEC 60747-17 (VDE 0884-17) approvals. These are documented in Tables 12–13 of the Rev. E datasheet for the RW-16 package variant.

How does the fail-safe behavior of ADUM241E0BRIZ work?

When VDD1 is unpowered or below UVLO threshold (~1.5 V), the ADUM241E0BRIZ outputs (OUTA–OUTD) transition to and hold a logic high state. This is intrinsic to the E0 variant's internal design and is explicitly stated in the Features and General Description sections of the datasheet-not configurable via pins or registers.

What is the creepage and clearance distance for ADUM241E0BRIZ?

ADUM241E0BRIZ in the RW-16 (SOIC_W) package provides minimum external creepage and clearance of 7.8 mm between input-side (pins 1–8) and output-side (pins 9–16) terminals, as specified in Table 9 of the datasheet. This satisfies IEC 60601-1 requirements for 250 V_rms working voltage at Pollution Degree 2.