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. ADUM120N0WBRZ-RL7

Name: ADUM120N0WBRZ-RL7
Brand: Analog Devices Inc.
SKU: ADUM120N0WBRZ-RL7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: ADUM120N0WBRZ-RL7

Manufacturer:: Analog Devices Inc.

Category:: Digital Isolators

Package:: 8-SOIC (0.154", 3.90mm Width)

Datasheet:: ADUM120N0WBRZ-RL7.pdf

Description:: DGTL ISO 3000VRMS 2CH GP 8SOIC

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:2,750

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

Product details

Overview

ADUM120N0WBRZ-RL7 from Analog Devices is a 3.0 kV_rms, dual-channel digital isolator based on iCoupler® transformer technology, providing galvanic isolation between two independent logic domains. It delivers 150 Mbps data rate, 13 ns max propagation delay at 5 V, and operates across 1.7–5.5 V supply ranges on both sides - enabling level translation and fail-safe low output state. It is used in industrial PLC I/O modules to isolate microcontroller UART/SPI signals from noisy field-side sensor/actuator interfaces.

For engineers reviewing the ADUM120N0WBRZ-RL7 datasheet, ADUM120N0WBRZ-RL7 pinout, ADUM120N0WBRZ-RL7 application, or ADUM120N0WBRZ-RL7 equivalent, this page provides verified specifications, SOIC-8 package layout, safety certifications (UL 1577, VDE 0884-17), fail-safe behavior under power loss, and validated alternatives for industrial and automotive signal isolation design.

Technical Context

The ADUM120N0WBRZ-RL7 implements two independent unidirectional CMOS-isolated channels using monolithic air-core transformers, with no optocoupler LED degradation or timing drift. Its architecture ensures DC-correct output even during input inactivity and supports asymmetric supply configurations (e.g., 1.8 V input side / 3.3 V output side).

It features reinforced insulation rated to 565 V_peak (VIORM) per DIN EN IEC 60747-17 (VDE 0884-17), 3000 V_rms withstand voltage for 1 minute, and 100 kV/µs common-mode transient immunity - critical for motor drive gate driver feedback and isolated ADC communication in high-noise factory environments.

Key Specifications

Parameter	Value and Actual Design Meaning
Data Rate	150 Mbps minimum - supports high-speed serial interfaces like isolated SPI clock lines up to 75 MHz.
Propagation Delay	13 ns maximum at 5 V - enables tight timing budgets in real-time control loops with sub-20 ns channel-to-channel skew.
Isolation Voltage	3000 V_rms for 1 minute - meets reinforced insulation requirements for industrial equipment per IEC 61010-1 and IEC 60601-1.
Supply Range	1.7 V to 5.5 V on both sides - allows direct interfacing with 1.8 V microcontrollers and 5 V legacy peripherals without level shifters.
Fail-Safe Output	Low-state default (N0 variant) - outputs go low when either VDD1 or VDD2 is unpowered, preventing undefined states in safety-critical shutdown paths.
Common-Mode Immunity	100 kV/µs typical - maintains signal integrity during fast transients from IGBT switching or ESD events in motor drives.
Operating Temperature	−40°C to +125°C - qualified for under-hood automotive and industrial ambient conditions without derating.

Pinout & Package

ADUM120N0WBRZ-RL7 uses an 8-lead, RoHS-compliant, wide-body SOIC package (SOIC_W) with 4.5 mm minimum PCB creepage and 4.01 mm clearance - compliant with pollution degree 2 and altitudes ≤2000 m per IEC 62368-1.

Pin/Terminal	Circuit Role	Design Meaning
1 - VDD1	Input-side power supply	Supplies isolator side 1; requires local 0.01–0.1 µF decoupling capacitor to minimize noise coupling into isolation barrier.
2 - VIA	Channel A input	CMOS-compatible logic input referenced to VDD1/GND1; accepts 1.7–5.5 V logic levels.
3 - VIB	Channel B input	Independent CMOS input for second channel; electrically isolated from VIA and all output pins.
4 - GND1	Input-side ground reference	Return path for VDD1 and input signals; must be separated from GND2 by ≥4.5 mm on PCB to maintain creepage.
5 - GND2	Output-side ground reference	Return path for VDD2 and output signals; forms isolated domain boundary with GND1.
6 - VOB	Channel B output	CMOS output referenced to VDD2/GND2; drives loads up to ±10 mA with rail-to-rail swing.
7 - VOA	Channel A output	Independent output with identical specs to VOB; supports bidirectional signal routing via external logic if needed.
8 - VDD2	Output-side power supply	Supplies isolator side 2; enables level translation - e.g., 1.8 V input logic → 3.3 V output logic.

Key Features

Feature	Design Value
iCoupler® transformer isolation	Eliminates LED aging and CTR degradation of optocouplers; guarantees >50-year lifetime at 125°C ambient.
Fail-safe low output (N0)	Ensures deterministic low-level output during VDD1 or VDD2 undervoltage, supporting safe shutdown in industrial safety circuits.
1.7–5.5 V dual-supply operation	Enables seamless voltage translation between mixed-voltage systems - e.g., isolating a 1.8 V FPGA from a 5 V analog front-end.
AEC-Q100 Grade 1 qualification	Validated for automotive applications including battery management system (BMS) cell monitoring and inverter control interfaces.
VDE 0884-17 (DIN EN IEC 60747-17) certification	Reinforced insulation approval with partial discharge testing (≤5 pC) - required for medical and industrial safety-critical designs.

Applications

Industrial Motor Drive Control	Automotive Battery Management System
Use Scenario: Isolating PWM gate driver signals and current-sense feedback in 3-phase inverter stages. IC Role / Device Role / Timing Role: Dual-channel isolator separates MCU PWM outputs (side 1) from high-side/lower-side gate drivers (side 2), preserving timing integrity under 100 kV/µs dv/dt noise. Use Value: 13 ns max propagation delay and 3 ns channel matching prevent shoot-through in IGBT/MOSFET half-bridges; 125°C rating supports placement near power modules.	Use Scenario: Isolating cell voltage measurement data and balancing command signals between battery pack and main controller. IC Role / Device Role / Timing Role: Transfers precision ADC readings and balancing enable pulses across isolation barrier while maintaining functional safety integrity. Use Value: Fail-safe low output prevents unintended cell balancing during power interruption; AEC-Q100 qualification ensures reliability over vehicle lifetime.
Programmable Logic Controller I/O Module	Medical Patient Monitoring Interface
Use Scenario: Providing galvanic isolation for digital inputs (e.g., limit switches, emergency stops) and outputs (e.g., solenoid drivers) in factory automation racks. IC Role / Device Role / Timing Role: Replaces discrete optocouplers with higher speed and lower power; handles 24 V DC field-side logic with 3.3 V controller-side interface. Use Value: 150 Mbps capability supports future firmware updates over isolated UART; 3000 V_rms rating satisfies IEC 61010-1 for measurement category II/III installations.	Use Scenario: Isolating ECG/EEG analog front-end digital control lines (e.g., gain selection, filter configuration) from patient-connected circuits. IC Role / Device Role / Timing Role: Ensures 1 MOPP (Means of Patient Protection) compliance by separating microcontroller logic from patient-accessible analog sections. Use Value: VDE 0884-17 reinforced insulation and 565 V_peak VIORM meet IEC 60601-1 clause 8.8.3 for applied part isolation; low dynamic power reduces thermal load in compact enclosures.

Industrial Motor Drive Control

Automotive Battery Management System

Use Scenario: Isolating PWM gate driver signals and current-sense feedback in 3-phase inverter stages.

IC Role / Device Role / Timing Role: Dual-channel isolator separates MCU PWM outputs (side 1) from high-side/lower-side gate drivers (side 2), preserving timing integrity under 100 kV/µs dv/dt noise.

Use Value: 13 ns max propagation delay and 3 ns channel matching prevent shoot-through in IGBT/MOSFET half-bridges; 125°C rating supports placement near power modules.

Use Scenario: Isolating cell voltage measurement data and balancing command signals between battery pack and main controller.

IC Role / Device Role / Timing Role: Transfers precision ADC readings and balancing enable pulses across isolation barrier while maintaining functional safety integrity.

Use Value: Fail-safe low output prevents unintended cell balancing during power interruption; AEC-Q100 qualification ensures reliability over vehicle lifetime.

Programmable Logic Controller I/O Module

Medical Patient Monitoring Interface

Use Scenario: Providing galvanic isolation for digital inputs (e.g., limit switches, emergency stops) and outputs (e.g., solenoid drivers) in factory automation racks.

IC Role / Device Role / Timing Role: Replaces discrete optocouplers with higher speed and lower power; handles 24 V DC field-side logic with 3.3 V controller-side interface.

Use Value: 150 Mbps capability supports future firmware updates over isolated UART; 3000 V_rms rating satisfies IEC 61010-1 for measurement category II/III installations.

Use Scenario: Isolating ECG/EEG analog front-end digital control lines (e.g., gain selection, filter configuration) from patient-connected circuits.

IC Role / Device Role / Timing Role: Ensures 1 MOPP (Means of Patient Protection) compliance by separating microcontroller logic from patient-accessible analog sections.

Use Value: VDE 0884-17 reinforced insulation and 565 V_peak VIORM meet IEC 60601-1 clause 8.8.3 for applied part isolation; low dynamic power reduces thermal load in compact enclosures.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ADUM1285ARZ-RL7	Same SOIC-8 package and pinout; 25 Mbps max data rate; 35 ns max propagation delay; no AEC-Q100 qualification.	Targeted at cost-sensitive industrial control where 150 Mbps is unnecessary; lacks automotive qualification and high-speed jitter performance.	Select when budget constraints outweigh speed/safety requirements and operating temperature stays ≤105°C.
SI8620ED-B-IS	Capacitive isolation; 150 Mbps; 13 ns max propagation delay; 5000 V_rms isolation; SOIC-8; no AEC-Q100.	Higher isolation voltage but lacks VDE 0884-17 certification and medical-grade safety approvals; different failure mode under ESD stress.	Prefer for mains-connected equipment needing >3 kV_rms, but verify regulatory alignment for medical/automotive use cases.

Compared with ADUM120N0WBRZ-RL7, ADUM1285ARZ-RL7 trades speed and qualification for lower cost, while SI8620ED-B-IS offers higher isolation voltage but omits critical medical and automotive safety certifications - making ADUM120N0WBRZ-RL7 the only option meeting simultaneous 150 Mbps, AEC-Q100, and VDE 0884-17 requirements.

Availability

ADUM120N0WBRZ-RL7 is available at Aetrix Electronics and suitable for industrial motor drives, automotive battery management systems, PLC I/O modules, and medical patient monitoring devices requiring stable component supply, long-term lifecycle support, and certified reinforced isolation.

Supply support for ADUM120N0WBRZ-RL7 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 ADuM120N/ADuM121N product line was designed specifically for high-reliability, high-speed digital signal isolation in safety-critical systems - emphasizing low propagation delay, fail-safe behavior, and regulatory compliance across industrial, automotive, and medical applications.

FAQ

What is the fail-safe behavior of ADUM120N0WBRZ-RL7 when power is lost?

ADUM120N0WBRZ-RL7 is the N0 variant, meaning its outputs default to logic low when either VDD1 or VDD2 is unpowered or falls below UVLO threshold (1.5 V). This behavior is confirmed in the Truth Table (Table 15) and ensures predictable shutdown in safety-critical paths - unlike N1 variants which default high. The device does not latch or oscillate during brownout.

Does ADUM120N0WBRZ-RL7 support level translation between different supply voltages?

Yes. ADUM120N0WBRZ-RL7 supports independent 1.7–5.5 V supplies on VDD1 and VDD2, enabling true bidirectional level translation - for example, 1.8 V logic on the input side can drive 5 V logic on the output side, or vice versa. Input thresholds scale with VDDx (VIH = 0.7×VDDx), and outputs swing rail-to-rail, as specified in Tables 1–7.

Which safety standards does ADUM120N0WBRZ-RL7 comply with?

ADUM120N0WBRZ-RL7 is certified to UL 1577 (3000 V_rms), CSA/IEC 62368-1, IEC/CSA 60601-1 (1 MOPP), IEC/CSA 61010-1, CQC GB4943.1, and DIN EN IEC 60747-17 (VDE 0884-17) for reinforced insulation. These are explicitly listed in Table 11 and Section "Regulatory Information", with VIORM = 565 V_peak and test voltage = 1059 V_peak.

Can ADUM120N0WBRZ-RL7 replace ADUM1285 in existing designs?

Yes - ADUM120N0WBRZ-RL7 is explicitly stated as pin-compatible with ADUM1285 (see Features section and General Description). Both use SOIC-8 packages with identical pin functions (VDD1, VIA, VIB, GND1, GND2, VOB, VOA, VDD2). However, ADUM120N0WBRZ-RL7 adds 150 Mbps capability, tighter timing (13 ns vs. 35 ns), and AEC-Q100 qualification - requiring validation of timing margins and thermal performance in upgraded operation.

What is the maximum common-mode transient immunity of ADUM120N0WBRZ-RL7?

ADUM120N0WBRZ-RL7 delivers 100 kV/µs typical common-mode transient immunity (|CMH| and |CML|), tested at VCM = 1000 V with 800 V transient magnitude (Table 1, Notes 6). This value is guaranteed across −40°C to +125°C and is critical for noise resilience in motor drives and switch-mode power supplies where fast dv/dt edges cross the isolation barrier.

ADUM120N0WBRZ-RL7 Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: -

Package/Case:: 8-SOIC (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Magnetic Coupling

Type:: General Purpose

Isolated Power:: No

Number of Channels:: 2

Inputs - Side 1/Side 2:: 2/0

Channel Type:: Unidirectional

Voltage - Isolation:: 3000Vrms

Common Mode Transient Immunity (Min):: 100kV/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:: 1.8V ~ 5.5V

Grade:: Automotive

Qualification:: -

Operating Temperature:: -40°C ~ 125°C

Mounting Type:: Surface Mount

Supplier Device Package:: 8-SOIC

ADUM120N0WBRZ-RL7 FAQ

1.How can I place an order for ADUM120N0WBRZ-RL7 through Aetrix?

Please submit a Request for Quotation (RFQ) for ADUM120N0WBRZ-RL7 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 ADUM120N0WBRZ-RL7 reliable?

The price and inventory of ADUM120N0WBRZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADUM120N0WBRZ-RL7 is usually 5 days.

3.What payment methods are accepted for ADUM120N0WBRZ-RL7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADUM120N0WBRZ-RL7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ADUM120N0WBRZ-RL7?

ADUM120N0WBRZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ADUM120N0WBRZ-RL7 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 ADUM120N0WBRZ-RL7?

For technical support, including ADUM120N0WBRZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADUM120N0WBRZ-RL7 requirements.

6.How does Aetrix verify that ADUM120N0WBRZ-RL7 is sourced from the original manufacturer or authorized distributors?

All ADUM120N0WBRZ-RL7 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 ADUM120N0WBRZ-RL7 meets industry standards.

7.What is the process for return or replacement of ADUM120N0WBRZ-RL7?

All ADUM120N0WBRZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADUM120N0WBRZ-RL7, 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 ADUM120N0WBRZ-RL7 part is unused and in its original packaging.

Return procedure for ADUM120N0WBRZ-RL7:

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…