Analog Devices Inc. ADUM230E1BRWZ

Overview

ADUM230E1BRWZ from Analog Devices is a triple-channel, 5.0 kV_RMS digital isolator based on iCoupler® technology, designed for high-noise industrial and medical signal isolation. It delivers 150 Mbps data rate, 13 ns max propagation delay at 5 V, 100 kV/µs common-mode transient immunity, and operates across 1.8 V to 5 V supply rails with fail-safe high output configuration.

For engineers reviewing the ADUM230E1BRWZ datasheet, ADUM230E1BRWZ pinout, ADUM230E1BRWZ application, or ADUM230E1BRWZ equivalent, key selection criteria include reinforced insulation (849 V_PEAK, VDE 0884-17), SOIC_W-16 package creepage/clearance compliance, and precise channel matching (≤3.0 ns) for SPI timing integrity in isolated data converters.

Technical Context

The ADUM230E1BRWZ implements three independent unidirectional isolation channels using monolithic air-core transformers, enabling dc-correct operation without input transitions-unlike optocouplers. Its architecture supports asymmetric voltage translation (e.g., 1.8 V side A to 5 V side B) while maintaining tight channel-to-channel skew (≤3.0 ns codirectional).

It features dual fail-safe logic: outputs default to high when input power is absent or inputs are disabled. Safety certification includes UL 1577 (5000 V_RMS/1 min), IEC/EN/CSA 62368-1, IEC 60601-1 (2 MOPP), and DIN EN IEC 60747-17 (VDE 0884-17) with VIORM = 849 V_PEAK.

Key Specifications

Pinout & Package

ADUM230E1BRWZ uses a 16-lead, RoHS-compliant wide-body SOIC package (RW-16, 10.3 mm body width) with 8.3 mm creepage/clearance between input and output sides per IEC 62368-1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SI8631ED-B-IS and ISO6731FDWR, ADUM230E1BRWZ uniquely combines VDE 0884-17 certification, 100 kV/µs CMTI, and 150 Mbps performance-making it the only option qualified for both high-speed industrial SPI and 2 MOPP medical isolation in a single SOIC_W package.

Availability

ADUM230E1BRWZ is available at Aetrix Electronics and suitable for industrial motor drives, medical patient monitors, PLC I/O modules, and isolated data acquisition systems requiring stable component supply and long-term lifecycle assurance.

Supply support for ADUM230E1BRWZ 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 precision instrumentation, industrial automation, and healthcare markets.

The ADuM230x series was engineered specifically for high-reliability, multi-channel digital isolation in safety-critical systems-emphasizing low jitter, guaranteed timing, and regulatory-compliant reinforced insulation for medical and industrial end equipment.

FAQ

What is the fail-safe output behavior of the ADUM230E1BRWZ?

The ADUM230E1BRWZ is configured as a fail-safe high device: when input-side power (VDD1) is removed or the DISABLE1 input is asserted, all three output channels transition to and hold a logic high state. This behavior is hardwired per the "E1" suffix and ensures predictable system shutdown in fault conditions-critical for safety interlocks in industrial controllers and medical devices. The ADUM230E1BRWZ maintains this state without external pull-ups or additional circuitry.

Does the ADUM230E1BRWZ support bidirectional communication on any channel?

No, the ADUM230E1BRWZ provides three unidirectional channels only-A, B, and C are input-to-output paths with no reverse direction capability. Each channel is optimized for one-way signal transfer, such as SPI SCLK/MOSI/MISO or isolated GPIO. For bidirectional isolation (e.g., I²C), a separate device like the ADUM1250 or ADUM2250 is required. The ADUM230E1BRWZ datasheet explicitly defines all channels as unidirectional in Truth Tables and Functional Block Diagrams.

What is the minimum recommended creepage distance for PCB layout with ADUM230E1BRWZ?

The ADUM230E1BRWZ in RW-16 package requires a minimum external creepage distance of 8.3 mm between input-side (pins 1–8) and output-side (pins 9–16) traces per IEC 62368-1 and VDE 0884-17. This value is measured along the shortest path on the PCB surface and must be maintained even under worst-case contamination (pollution degree 2). Layouts must avoid solder mask slivers or copper protrusions that reduce effective creepage-verified by IPC-2221B spacing rules. The ADUM230E1BRWZ's body design enforces this mechanically.

Can ADUM230E1BRWZ operate with different supply voltages on each side?

Yes, ADUM230E1BRWZ supports independent supply rails: VDD1 (input side) and VDD2 (output side) can each range from 1.7 V to 5.5 V, enabling true level translation. For example, it can interface a 1.8 V FPGA I/O bank to a 5 V microcontroller SPI port while maintaining full 150 Mbps data rate and timing specs. The ADUM230E1BRWZ datasheet confirms this in Recommended Operating Conditions (Table 14) and Electrical Characteristics tables across 1.8 V, 2.5 V, 3.3 V, and 5 V operation.

How is the ADUM230E1BRWZ certified for medical applications?

The ADUM230E1BRWZ is certified to IEC 60601-1 with 2 Means of Patient Protection (2 MOPP), validated by VDE for reinforced insulation (VIORM = 849 V_PEAK) and tested per DIN EN IEC 60747-17 (VDE 0884-17) with partial discharge <5 pC at 1592 V_PEAK. Its RW-16 package meets creepage/clearance requirements for 250 V_RMS working voltage in patient-connected equipment. These certifications are documented in Table 11 of the ADUM230E1BRWZ datasheet and verified by Analog Devices' safety file E214100.