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Home > Products > Isolators > Digital Isolators

Analog Devices Inc. ADUM160N1BRZ-RL7

Name: ADUM160N1BRZ-RL7
Brand: Analog Devices Inc.
SKU: ADUM160N1BRZ-RL7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ADUM160N1BRZ-RL7

Manufacturer:: Analog Devices Inc.

Category:: Digital Isolators

Package:: 16-SOIC (0.154", 3.90mm Width)

Datasheet:: ADUM160N1BRZ-RL7.pdf

Description:: DGTL ISO 3000VRMS 6CH GP 16SOIC

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Product details

Overview

ADUM160N1BRZ-RL7 from Analog Devices is a 6-channel, 3.0 kV_RMS digital isolator based on iCoupler® transformer technology, providing reinforced isolation between microcontroller peripherals and industrial bus interfaces. It delivers 150 Mbps guaranteed data rate, 13 ns max propagation delay at 5 V, and operates across 1.7–5.5 V supply rails with level translation capability. It is used in isolated SPI communication for motor drives and PLC I/O modules.

For engineers reviewing the ADUM160N1BRZ-RL7 datasheet, ADUM160N1BRZ-RL7 pinout, ADUM160N1BRZ-RL7 application, or ADUM160N1BRZ-RL7 equivalent, key selection criteria include common-mode transient immunity (100 kV/µs), fail-safe output state configuration (N1 = low-fail-safe), safety certifications (UL 1577, VDE 0884-17), and SOIC_N-16 package compatibility with high-density PCB layouts.

Technical Context

The ADUM160N1BRZ-RL7 implements six independent unidirectional isolation channels using monolithic air-core transformers, enabling dc-correct operation without input transitions. Its architecture ensures tight channel-to-channel propagation delay matching (≤4.0 ns) and low jitter (70 ps rms at 5 V), critical for synchronized multi-signal isolation in real-time control systems.

It supports dual-supply operation (VDD1/VDD2 = 1.7–5.5 V), allowing voltage translation across the isolation barrier-e.g., 1.8 V logic on one side and 3.3 V or 5 V on the other-while maintaining robust noise immunity via ≥75 kV/µs common-mode transient rejection under ±800 V transients.

Key Specifications

Parameter	Value and Actual Design Meaning
Isolation Rating	3000 V_RMS for 1 minute - meets reinforced insulation requirements per UL 1577 and IEC 62368-1
Data Rate	150 Mbps guaranteed - supports high-speed SPI, RS-485, and digital encoder interfaces
Propagation Delay	13 ns max at 5 V - enables sub-20 ns timing budgets in closed-loop servo control
Common-Mode Transient Immunity	100 kV/µs - sustains reliable operation in noisy motor drive and power converter environments
Supply Voltage Range	1.7 V to 5.5 V per side - allows direct interfacing with ultra-low-voltage MCUs and legacy 5 V peripherals
Fail-Safe Output State	Low (N1 variant) - outputs default to logic low during input-side power loss, preventing undefined states in safety-critical paths
Operating Temperature	−40°C to +125°C - qualified for under-hood automotive, industrial inverters, and outdoor energy systems

Pinout & Package

ADUM160N1BRZ-RL7 is housed in a RoHS-compliant, narrow-body 16-lead SOIC package (SOIC_N, body width 3.9 mm), with creepage/clearance ≥4.0 mm and internal clearance ≥29 µm to meet reinforced insulation standards.

Pin/Terminal	Circuit Role	Design Meaning
VDD1	Primary-side supply	Power for input-side logic and channel drivers; accepts 1.7–5.5 V
GND1	Primary-side ground	Reference for all input signals and VDD1; must be separated from GND2 by ≥4.5 mm PCB clearance
INA, INB, INC, IND, INE, INF	Input signal terminals	Accept CMOS-level signals; VIH = 0.7×VDD1, VIL = 0.3×VDD1
VDD2	Secondary-side supply	Power for output-side logic; enables level translation when VDD2 ≠ VDD1
GND2	Secondary-side ground	Reference for all output signals and VDD2; galvanically isolated from GND1
OUTA, OUTB, OUTC, OUTD, OUTE, OUTF	Output signal terminals	CMOS-compatible outputs; VOH ≥ VDD2 − 0.4 V @ 4 mA, VOL ≤ 0.4 V @ 4 mA

Key Features

Feature	Design Value
DC-correct isolation	Maintains output state indefinitely without input toggling-eliminates need for refresh clocks in static control signals
Low propagation skew	≤4.0 ns channel-to-channel matching-enables precise timing alignment across all 6 channels in parallel data paths
Reinforced safety certification	UL 1577 (3000 V_RMS), VDE 0884-17 (565 V_PEAK), IEC 60601-1 (1 MOPP)-certified for medical and industrial safety-critical systems
Low dynamic power	0.01–0.02 mA/Mbps - reduces thermal load in compact enclosures and extends battery life in portable test equipment
Undervoltage lockout (UVLO)	1.5 V/1.6 V thresholds with 0.1 V hysteresis-prevents metastable output behavior during brown-out conditions on either side

Applications

Motor Drive Control	SPI Isolation for Data Converters
Use Scenario: Isolating PWM gate driver enable signals and fault feedback from an MCU to a 3-phase inverter stage operating at 600 V DC bus. IC Role / Device Role / Timing Role: ADUM160N1BRZ-RL7 provides six independent isolation paths: three for half-bridge enable signals and three for DESAT/fault status returns, with <13 ns delay ensuring tight dead-time control. Use Value: Prevents ground loop-induced shoot-through while preserving nanosecond-level timing integrity required for SiC/GaN switching.	Use Scenario: Isolating high-resolution ADC/DAC SPI buses in isolated analog front-ends for power quality analyzers. IC Role / Device Role / Timing Role: ADUM160N1BRZ-RL7 carries SCLK, MOSI, MISO, and CS signals across isolation barrier with matched propagation delay to avoid setup/hold violations at 20+ MHz clock rates. Use Value: Enables simultaneous sampling of multiple current/voltage channels with sub-100 ps inter-channel skew, meeting IEC 61000-4-30 Class A timing accuracy.
Industrial Fieldbus Node	Medical Sensor Interface
Use Scenario: Isolating RS-485 transceiver control lines (DE/RE) and data lines in a PROFIBUS DP slave node mounted on factory-floor machinery. IC Role / Device Role / Timing Role: ADUM160N1BRZ-RL7 isolates UART TX/RX, RTS/CTS, and transceiver enable signals, supporting 12 Mbps physical layer operation with fail-safe low outputs during power loss. Use Value: Eliminates bus lock-up during partial power faults and meets EN 55032 conducted emissions limits via low EMI transformer coupling.	Use Scenario: Isolating patient-connected EEG/ECG sensor amplifiers from USB or Ethernet host processors in bedside monitors. IC Role / Device Role / Timing Role: ADUM160N1BRZ-RL7 isolates analog front-end digital control (gain, filter config) and digitized data streams, certified to IEC 60601-1 (1 MOPP). Use Value: Provides 3000 V_RMS patient protection while enabling real-time streaming of 24-bit biosignals at >10 kSPS without latency-induced artifacts.

Motor Drive Control

SPI Isolation for Data Converters

Use Scenario: Isolating PWM gate driver enable signals and fault feedback from an MCU to a 3-phase inverter stage operating at 600 V DC bus.

IC Role / Device Role / Timing Role: ADUM160N1BRZ-RL7 provides six independent isolation paths: three for half-bridge enable signals and three for DESAT/fault status returns, with <13 ns delay ensuring tight dead-time control.

Use Value: Prevents ground loop-induced shoot-through while preserving nanosecond-level timing integrity required for SiC/GaN switching.

Use Scenario: Isolating high-resolution ADC/DAC SPI buses in isolated analog front-ends for power quality analyzers.

IC Role / Device Role / Timing Role: ADUM160N1BRZ-RL7 carries SCLK, MOSI, MISO, and CS signals across isolation barrier with matched propagation delay to avoid setup/hold violations at 20+ MHz clock rates.

Use Value: Enables simultaneous sampling of multiple current/voltage channels with sub-100 ps inter-channel skew, meeting IEC 61000-4-30 Class A timing accuracy.

Industrial Fieldbus Node

Medical Sensor Interface

Use Scenario: Isolating RS-485 transceiver control lines (DE/RE) and data lines in a PROFIBUS DP slave node mounted on factory-floor machinery.

IC Role / Device Role / Timing Role: ADUM160N1BRZ-RL7 isolates UART TX/RX, RTS/CTS, and transceiver enable signals, supporting 12 Mbps physical layer operation with fail-safe low outputs during power loss.

Use Value: Eliminates bus lock-up during partial power faults and meets EN 55032 conducted emissions limits via low EMI transformer coupling.

Use Scenario: Isolating patient-connected EEG/ECG sensor amplifiers from USB or Ethernet host processors in bedside monitors.

IC Role / Device Role / Timing Role: ADUM160N1BRZ-RL7 isolates analog front-end digital control (gain, filter config) and digitized data streams, certified to IEC 60601-1 (1 MOPP).

Use Value: Provides 3000 V_RMS patient protection while enabling real-time streaming of 24-bit biosignals at >10 kSPS without latency-induced artifacts.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SI8660BB-B-IS	6-channel, 5 kV_RMS, capacitive isolation; 150 Mbps; 13 ns delay; 2.5–5.5 V operation	No fail-safe option; different UVLO thresholds (1.75 V); lacks IEC 60601-1 certification	Preferred where higher isolation voltage is needed but medical compliance is not required
ISO6760FRDWR	6-channel, 5000 V_RMS, capacitive isolation; 100 Mbps; 16 ns delay; 1.7–5.5 V operation	Lower data rate; no 1.8 V operation guarantee; only UL/VDE certified (no IEC 60601-1)	Selected for cost-sensitive industrial automation where 100 Mbps suffices and medical certification is unnecessary

Compared with SI8660BB-B-IS and ISO6760FRDWR, ADUM160N1BRZ-RL7 uniquely combines 1.8 V compatibility, N1 low-fail-safe behavior, and full IEC 60601-1 certification-making it the only choice for battery-powered medical devices requiring both ultra-low-voltage operation and patient safety compliance.

Availability

ADUM160N1BRZ-RL7 is available at Aetrix Electronics and suitable for industrial motor drives, isolated data acquisition systems, medical diagnostic equipment, and renewable energy inverters requiring stable component supply across extended product lifecycles.

Supply support for ADUM160N1BRZ-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 precision instrumentation, industrial automation, communications, and healthcare markets.

The ADuM160N/ADuM161N/ADuM162N/ADuM163N family was designed specifically for high-reliability, multi-channel digital isolation in safety-critical systems-emphasizing low jitter, fail-safe behavior, and regulatory compliance over raw speed or integration density.

FAQ

What is the fail-safe output behavior of ADUM160N1BRZ-RL7?

The ADUM160N1BRZ-RL7 is the N1 variant, meaning its outputs transition to a logic low state when the input-side power supply (VDD1) is removed or falls below UVLO threshold. This prevents undefined or high-impedance states in safety-critical control paths such as gate driver enables or emergency stop signals. The behavior is inherent to the device's internal design and requires no external pull-down resistors.

Does ADUM160N1BRZ-RL7 support 1.8 V operation on both sides simultaneously?

Yes, ADUM160N1BRZ-RL7 supports 1.8 V operation on both VDD1 and VDD2 sides, with guaranteed 150 Mbps data rate and 15 ns maximum propagation delay. Electrical characteristics-including VIH/VIL thresholds, VOH/VOL levels, and supply current-are fully specified down to 1.7 V, making it suitable for ultra-low-power microcontrollers and battery-operated sensors.

What safety certifications does ADUM160N1BRZ-RL7 hold?

ADUM160N1BRZ-RL7 is certified to UL 1577 (3000 V_RMS), DIN EN IEC 60747-17 (VDE 0884-17, 565 V_PEAK reinforced), IEC/CSA 62368-1, IEC/CSA 60601-1 (1 MOPP), and IEC/CSA 61010-1. These approvals validate its use in medical, industrial, and test equipment where reinforced isolation and patient/operator safety are mandated.

How does ADUM160N1BRZ-RL7 achieve dc correctness without input toggling?

ADUM160N1BRZ-RL7 uses iCoupler® transformer-based isolation with on-chip refresh circuitry that periodically samples the input state and retransmits it across the barrier-even when the input is static. This eliminates the need for external refresh clocks or pulse-width modulation schemes required by optocouplers, ensuring deterministic output behavior during idle periods in control applications.

Can ADUM160N1BRZ-RL7 be used for bidirectional SPI isolation?

No-ADUM160N1BRZ-RL7 contains six unidirectional channels only. For full-duplex SPI isolation (MOSI, MISO, SCLK, CS), two ADUM160N1BRZ-RL7 devices are required: one for MOSI/SCLK/CS (VDD1 → VDD2 direction) and another for MISO (VDD2 → VDD1 direction). Alternatively, consider the ADUM161N1BRZ-RL7 (5:1 channel split) or discrete channel pairing for optimized routing.

ADUM160N1BRZ-RL7 Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: -

Package/Case:: 16-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:: 6

Inputs - Side 1/Side 2:: 6/0

Channel Type:: Unidirectional

Voltage - Isolation:: 3000Vrms

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

Data Rate:: 150Mbps

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

Pulse Width Distortion (Max):: 4.5ns

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

ADUM160N1BRZ-RL7 FAQ

1.How can I place an order for ADUM160N1BRZ-RL7 through Aetrix?

Please submit a Request for Quotation (RFQ) for ADUM160N1BRZ-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 ADUM160N1BRZ-RL7 reliable?

The price and inventory of ADUM160N1BRZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADUM160N1BRZ-RL7 is usually 5 days.

3.What payment methods are accepted for ADUM160N1BRZ-RL7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADUM160N1BRZ-RL7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ADUM160N1BRZ-RL7?

ADUM160N1BRZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ADUM160N1BRZ-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 ADUM160N1BRZ-RL7?

For technical support, including ADUM160N1BRZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADUM160N1BRZ-RL7 requirements.

6.How does Aetrix verify that ADUM160N1BRZ-RL7 is sourced from the original manufacturer or authorized distributors?

All ADUM160N1BRZ-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 ADUM160N1BRZ-RL7 meets industry standards.

7.What is the process for return or replacement of ADUM160N1BRZ-RL7?

All ADUM160N1BRZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADUM160N1BRZ-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 ADUM160N1BRZ-RL7 part is unused and in its original packaging.

Return procedure for ADUM160N1BRZ-RL7:

1.Submit a request within 90 days.

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

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