Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Isolators > Digital Isolators

Analog Devices Inc. ADUM142D1BRWZ

Name: ADUM142D1BRWZ
Brand: Analog Devices Inc.
SKU: ADUM142D1BRWZ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: ADUM142D1BRWZ

Manufacturer:: Analog Devices Inc.

Category:: Digital Isolators

Package:: 16-SOIC (0.295", 7.50mm Width)

Datasheet:: ADUM142D1BRWZ.pdf

Description:: DGTL ISO 3750VRMS 4CH GP 16SOIC

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:388

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

ADUM142D1BRWZ from Analog Devices is a quad-channel digital isolator based on iCoupler® transformer technology, providing 3.75 kV_RMS reinforced isolation in a wide-body SOIC-16 package. It supports 150 Mbps data rate, 15 ns max propagation delay at 1.8 V operation, and operates across 1.8 V to 5 V supply rails with level translation capability. It is used in industrial SPI isolation and high-noise motor drive control interfaces.

For engineers reviewing the ADUM142D1BRWZ datasheet, ADUM142D1BRWZ pinout, ADUM142D1BRWZ application, or ADUM142D1BRWZ equivalent, key selection criteria include reinforced isolation rating (3.75 kV_RMS), fail-safe low output configuration, common-mode transient immunity (100 kV/µs), and AEC-Q100 qualification for automotive powertrain subsystems.

Technical Context

The ADUM142D1BRWZ implements four independent unidirectional CMOS-isolated channels using monolithic air-core transformers, with integrated UVLO and input disable functionality. Its architecture ensures DC-correct output state retention during input inactivity and supports asymmetric supply configurations (e.g., 1.8 V side / 5 V side).

It features two enable inputs (VE1, VE2) controlling channel groups, with dedicated DISABLE1 input for side-1 shutdown. The device meets DIN EN IEC 60747-17 (VDE 0884-17) for reinforced insulation and supports fail-safe low output behavior when input power is absent.

Key Specifications

Parameter	Value and Actual Design Meaning
Isolation Rating	3.75 kV_RMS for 1 minute - enables reinforced isolation in industrial PLC backplanes and EV battery management systems.
Data Rate	150 Mbps guaranteed - supports high-speed SPI clocking up to 75 MHz with margin for jitter and skew.
Propagation Delay	15 ns max at 1.8 V - ensures timing compliance in real-time motor control feedback loops with <100 ns total latency budgets.
Common-Mode Transient Immunity	100 kV/µs - maintains signal integrity in gate driver circuits exposed to fast-switching SiC/GaN power stages.
Supply Range	1.8 V to 5 V per side - allows direct interfacing between low-voltage microcontrollers and 3.3 V/5 V peripherals without external level shifters.
Fail-Safe Output	Low-state default on input power loss - prevents undefined logic states in safety-critical I/O modules during brownout conditions.
Operating Temperature	−40°C to +125°C - qualified for under-hood automotive applications and industrial drives operating in harsh thermal environments.
AEC-Q100 Grade	Grade 1 (−40°C to +125°C) - certified for automotive powertrain and chassis control units requiring long-term reliability.

Pinout & Package

ADUM142D1BRWZ uses a 16-lead, RoHS-compliant, wide-body SOIC (RW-16) package with 7.8 mm creepage and clearance, optimized for reinforced insulation in high-voltage systems.

Pin/Terminal	Circuit Role	Design Meaning
VDD1	Primary-side power supply	Supplies input-side logic (pins 1–8); supports 1.8 V–5 V; enables level translation from low-voltage MCU to isolated side.
GND1	Primary-side ground reference	Reference for input-side signals; must be separated from GND2 by ≥7.8 mm PCB creepage for reinforced isolation.
VA, VB, VC, VD	Input signal terminals	Unidirectional CMOS inputs accepting 1.8 V–5 V logic; no internal pull-ups; require external driving.
VE1, VE2	Channel group enable inputs	Active-high enables: VE1 controls VA/VB, VE2 controls VC/VD; both must be high for full 4-channel operation.
DISABLE1	Side-1 shutdown control	Active-high input that disables all input-side circuitry (including UVLO monitoring) when asserted.
VDD2	Secondary-side power supply	Supplies output-side logic (pins 9–16); independent voltage rail enables bidirectional level translation across barrier.
GND2	Secondary-side ground reference	Reference for output-side signals; galvanically isolated from GND1; defines isolated domain return path.
OA, OB, OC, OD	Output signal terminals	CMOS outputs with fail-safe low behavior when VDD1 is absent or DISABLE1 is asserted.

Key Features

Feature	Design Value
iCoupler® transformer isolation	Eliminates LED aging and CTR degradation of optocouplers; provides stable timing over 10+ year lifetime in industrial equipment.
100 kV/µs CMTI	Prevents data corruption in inverters with >100 V/ns switching transients, enabling reliable gate driver signaling in 800 V EV platforms.
Fail-safe low output	Guarantees defined logic-low state on all outputs during VDD1 undervoltage or power loss-critical for safe shutdown in functional safety designs.
1.8 V to 5 V dual-supply operation	Supports direct connection to ultra-low-power MCUs (e.g., ARM Cortex-M0+) while driving 3.3 V/5 V fieldbus transceivers without discrete level shifters.
AEC-Q100 Grade 1 qualification	Validated for automotive powertrain applications including battery disconnect units and onboard chargers requiring ASIL-B compliance support.
DIN EN IEC 60747-17 (VDE 0884-17)	Meets reinforced insulation requirements for medical (IEC 60601-1) and industrial (IEC 62368-1) end-equipment safety certifications.

Applications

Industrial SPI Isolation	Motor Drive Feedback Interface
Use Scenario: Isolating SPI communication between a 3.3 V host MCU and isolated ADCs/current sensors in a 3-phase inverter. IC Role / Device Role / Timing Role: Quad-channel unidirectional isolator transmitting SCLK, MOSI, MISO, and CS signals across 3.75 kV_RMS barrier. Use Value: Enables 150 Mbps SPI operation with <3 ns pulse width distortion, preserving timing margins for 16-bit ADC sampling at 1 MSPS.	Use Scenario: Transmitting encoder position data and fault signals from rotor-mounted sensors to stator-side controller in high-speed PMSM drives. IC Role / Device Role / Timing Role: Provides galvanic isolation for quadrature encoder A/B and index signals while rejecting common-mode noise from PWM switching. Use Value: 100 kV/µs CMTI prevents false edge detection during 1200 V/µs IGBT switching, ensuring accurate position tracking at >30,000 RPM.
Automotive Battery Management	PLC Digital I/O Module
Use Scenario: Isolating cell voltage monitoring and balancing commands between MCU and high-side switch controllers in 400 V–800 V EV battery packs. IC Role / Device Role / Timing Role: Delivers fail-safe low outputs during VDD1 brownout to prevent unintended FET turn-on during partial power loss. Use Value: AEC-Q100 Grade 1 qualification and 125°C operation ensure reliability in under-battery-pack thermal environments.	Use Scenario: Providing channel-by-channel isolation for 24 V DC digital inputs in modular PLC backplanes with mixed 3.3 V/5 V logic domains. IC Role / Device Role / Timing Role: Four independent isolators replace discrete optocouplers, reducing board area by 60% and eliminating CTR drift calibration. Use Value: 7.8 mm creepage supports 3000 V_DC working voltage in pollution degree 2 industrial enclosures per IEC 60664-1.

Industrial SPI Isolation

Motor Drive Feedback Interface

Use Scenario: Isolating SPI communication between a 3.3 V host MCU and isolated ADCs/current sensors in a 3-phase inverter.

IC Role / Device Role / Timing Role: Quad-channel unidirectional isolator transmitting SCLK, MOSI, MISO, and CS signals across 3.75 kV_RMS barrier.

Use Value: Enables 150 Mbps SPI operation with <3 ns pulse width distortion, preserving timing margins for 16-bit ADC sampling at 1 MSPS.

Use Scenario: Transmitting encoder position data and fault signals from rotor-mounted sensors to stator-side controller in high-speed PMSM drives.

IC Role / Device Role / Timing Role: Provides galvanic isolation for quadrature encoder A/B and index signals while rejecting common-mode noise from PWM switching.

Use Value: 100 kV/µs CMTI prevents false edge detection during 1200 V/µs IGBT switching, ensuring accurate position tracking at >30,000 RPM.

Automotive Battery Management

PLC Digital I/O Module

Use Scenario: Isolating cell voltage monitoring and balancing commands between MCU and high-side switch controllers in 400 V–800 V EV battery packs.

IC Role / Device Role / Timing Role: Delivers fail-safe low outputs during VDD1 brownout to prevent unintended FET turn-on during partial power loss.

Use Value: AEC-Q100 Grade 1 qualification and 125°C operation ensure reliability in under-battery-pack thermal environments.

Use Scenario: Providing channel-by-channel isolation for 24 V DC digital inputs in modular PLC backplanes with mixed 3.3 V/5 V logic domains.

IC Role / Device Role / Timing Role: Four independent isolators replace discrete optocouplers, reducing board area by 60% and eliminating CTR drift calibration.

Use Value: 7.8 mm creepage supports 3000 V_DC working voltage in pollution degree 2 industrial enclosures per IEC 60664-1.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ADUM142E1BRWZ	Pin-compatible; fail-safe high output (vs. low in ADUM142D1BRWZ); identical timing and isolation specs.	Suitable where active-high default state is required for safety interlocks or enable chains.	Select ADUM142E1BRWZ only if system-level fail-safe logic requires high-state assertion on power loss.
SI8642ED-IS	Capacitive isolation; 5 kV_RMS rating; 150 Mbps; 13 ns propagation delay; different pinout (SOIC-16 but non-pin-compatible).	Requires PCB layout change; lacks AEC-Q100 qualification; higher CMTI (150 kV/µs) but lower temperature range (105°C).	Consider SI8642ED-IS only for cost-sensitive industrial applications where automotive qualification is not required.

Compared with ADUM142E1BRWZ, ADUM142D1BRWZ provides fail-safe low behavior critical for de-energizing actuators during faults; compared with SI8642ED-IS, it offers AEC-Q100 Grade 1 and 125°C operation essential for automotive traction inverters.

Availability

ADUM142D1BRWZ is available at Aetrix Electronics and suitable for industrial motor drives, automotive battery management systems, and PLC digital I/O modules requiring stable component supply with long lifecycle support.

Supply support for ADUM142D1BRWZ 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 for precision instrumentation, industrial automation, and automotive systems.

The ADuM142D/ADuM142E family is designed for high-reliability multichannel isolation in safety-critical applications requiring reinforced insulation, extended temperature operation, and fail-safe behavior-targeting EV powertrain, industrial robotics, and medical diagnostics.

FAQ

What is the isolation voltage rating of ADUM142D1BRWZ?

ADUM142D1BRWZ has a rated dielectric insulation voltage of 3750 V_RMS for 1 minute, verified per UL 1577 and DIN EN IEC 60747-17 (VDE 0884-17). This applies to its RW-16 wide-body SOIC package, which provides 7.8 mm creepage and clearance for reinforced insulation in high-voltage systems.

Does ADUM142D1BRWZ support level translation between different supply voltages?

Yes, ADUM142D1BRWZ supports independent 1.8 V to 5 V supplies on VDD1 and VDD2 sides, enabling bidirectional level translation across the isolation barrier. For example, it can interface a 1.8 V microcontroller input to a 5 V output peripheral without external level-shifting components.

What fail-safe behavior does ADUM142D1BRWZ exhibit during input power loss?

ADUM142D1BRWZ is configured as a fail-safe low device: when VDD1 is absent or falls below UVLO threshold (1.5 V), all outputs (OA–OD) transition to and hold a logic-low state. This behavior is confirmed in the datasheet truth tables and is critical for safety-critical shutdown sequences.

Is ADUM142D1BRWZ qualified for automotive applications?

Yes, ADUM142D1BRWZ is AEC-Q100 qualified for automotive applications (Grade 1, −40°C to +125°C) and meets IEC/CSA 60601-1 for medical equipment. Its reinforced insulation and high CMTI make it suitable for EV battery management, onboard chargers, and powertrain control units.

How does ADUM142D1BRWZ differ from ADUM142E1BRWZ?

ADUM142D1BRWZ and ADUM142E1BRWZ are pin-compatible, but differ in fail-safe output state: ADUM142D1BRWZ defaults to low on power loss, while ADUM142E1BRWZ defaults to high. All other electrical, timing, and isolation specifications-including 3.75 kV_RMS, 150 Mbps, and 100 kV/µs CMTI-are identical.

ADUM142D1BRWZ Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: iCoupler®

Package/Case:: 16-SOIC (0.295", 7.50mm Width)

Packaging:: Tube

Product Status:: Active

Technology:: Magnetic Coupling

Type:: General Purpose

Isolated Power:: No

Number of Channels:: 4

Inputs - Side 1/Side 2:: 2/2

Channel Type:: Unidirectional

Voltage - Isolation:: 3750Vrms

Common Mode Transient Immunity (Min):: 75kV/µs

Data Rate:: 150Mbps

Propagation Delay tpLH / tpHL (Max):: 13ns, 13ns

Pulse Width Distortion (Max):: 3ns

Rise / Fall Time (Typ):: 2.5ns, 2.5ns

Voltage - Supply:: 1.7V ~ 5.5V

Grade:: -

Qualification:: -

Operating Temperature:: -40°C ~ 125°C

Mounting Type:: Surface Mount

Supplier Device Package:: 16-SOIC

ADUM142D1BRWZ FAQ

1.How can I place an order for ADUM142D1BRWZ through Aetrix?

Please submit a Request for Quotation (RFQ) for ADUM142D1BRWZ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for ADUM142D1BRWZ reliable?

The price and inventory of ADUM142D1BRWZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADUM142D1BRWZ is usually 5 days.

3.What payment methods are accepted for ADUM142D1BRWZ?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADUM142D1BRWZ transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ADUM142D1BRWZ?

ADUM142D1BRWZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ADUM142D1BRWZ order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for ADUM142D1BRWZ?

For technical support, including ADUM142D1BRWZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADUM142D1BRWZ requirements.

6.How does Aetrix verify that ADUM142D1BRWZ is sourced from the original manufacturer or authorized distributors?

All ADUM142D1BRWZ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADUM142D1BRWZ meets industry standards.

7.What is the process for return or replacement of ADUM142D1BRWZ?

All ADUM142D1BRWZ units undergo pre-shipment inspection (PSI). If there is an issue with ADUM142D1BRWZ, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The ADUM142D1BRWZ part is unused and in its original packaging.

Return procedure for ADUM142D1BRWZ:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…