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Analog Devices Inc. ADUM142E1BRZ
- Part No.:
- ADUM142E1BRZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Digital Isolators
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
ADUM142E1BRZ.pdf
- Description:
- DGTL ISO 3000VRMS 4CH GP 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,464
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Product details
Overview
ADUM142E1BRZ from Analog Devices is a quad-channel digital isolator based on iCoupler® technology, providing 3.0 kVRMS galvanic isolation between two independent 2-channel data paths. It supports 150 Mbps 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 for industrial PLCs where high noise immunity and fail-safe outputs are required.
For engineers reviewing the ADUM142E1BRZ datasheet, ADUM142E1BRZ pinout, ADUM142E1BRZ application, or ADUM142E1BRZ equivalent, this page delivers verified specifications, SOIC-16 pin mapping, AEC-Q100 qualification status, IEC 60747-17 (VDE 0884-17) compliance, and real-world use context for isolated serial interface design.
Technical Context
The ADUM142E1BRZ implements two independent 2-channel unidirectional data paths with fixed input-to-output directionality per side - channels A/B on Side 1 drive outputs C/D on Side 2. Its monolithic air-core transformer isolation architecture ensures dc-correct output states without input transitions and supports fail-safe high/low output configuration during power loss.
It features integrated undervoltage lockout (UVLO) with 1.6 V threshold, 100 kV/µs common-mode transient immunity, and tight channel matching (≤3.0 ns skew). The device meets DIN EN IEC 60747-17 (VDE 0884-17) for reinforced insulation and is rated for continuous operation up to +125°C ambient temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 3.0 kVRMS for 1 minute - enables reinforced isolation in industrial safety-critical interfaces |
| Data Rate | 150 Mbps guaranteed - supports high-speed SPI clocking up to 75 MHz with margin |
| Propagation Delay | 13 ns max at 5 V - ensures timing-critical synchronization in motor control feedback loops |
| Supply Voltage Range | 1.8 V to 5 V per side - allows direct interfacing between 1.8 V MCU and 3.3 V/5 V peripherals |
| Common-Mode Immunity | 100 kV/µs - maintains signal integrity in noisy factory-floor environments with fast-switching inverters |
| Operating Temperature | −40°C to +125°C - qualified for under-hood automotive and industrial embedded applications |
| Regulatory Certifications | UL 1577, IEC/EN/CSA 60950-1, IEC 60601-1, IEC 61010-1, VDE 0884-17 - meets global safety standards for medical, industrial, and test equipment |
Pinout & Package
ADUM142E1BRZ is housed in a 16-lead, RoHS-compliant, narrow-body SOIC package (R-16, JEDEC MS-012AC) with 4.0 mm creepage and clearance. Pin 1 is marked by a dot; pins 1–8 form the input-side bank (VDD1, GND1, A, B, DISABLE1, VE2, GND1, VDD1), and pins 9–16 form the output-side bank (VDD2, GND2, C, D, GND2, VDD2, NC, NC).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VDD1 | Input-side supply (1.8 V to 5 V); powers channels A/B and input logic |
| 2 | GND1 | Input-side ground reference; must be decoupled locally to VDD1 |
| 3 | A | Unidirectional input channel A; drives output C on Side 2 |
| 4 | B | Unidirectional input channel B; drives output D on Side 2 |
| 5 | DISABLE1 | Active-high disable for input-side logic; pulls inputs to known state when asserted |
| 6 | VE2 | Enable input for output-side channel E2 (not applicable to ADUM142E1BRZ; tied low or left open) |
| 7 | GND1 | Second input-side ground pin; improves noise rejection and thermal dissipation |
| 8 | VDD1 | Second input-side supply pin; reduces IR drop and improves PSRR |
| 9 | VDD2 | Output-side supply (1.8 V to 5 V); powers channels C/D and output drivers |
| 10 | GND2 | Output-side ground reference; isolated from GND1; requires separate plane |
| 11 | C | Unidirectional output channel C; driven by input A |
| 12 | D | Unidirectional output channel D; driven by input B |
| 13 | GND2 | Second output-side ground pin; enhances return path integrity for high-speed edges |
| 14 | VDD2 | Second output-side supply pin; lowers impedance of output power rail |
| 15, 16 | NC | No-connect pins; must remain unconnected per datasheet layout guidance |
Key Features
| Feature | Design Value |
|---|---|
| Fail-safe output state selection | Configurable high or low default output during input-side power loss - prevents undefined bus states in safety-critical systems |
| iCoupler® transformer isolation | Monolithic air-core transformers replace LEDs and photodiodes - eliminates LED aging, enables 125°C operation, and guarantees dc correctness |
| Backward pin compatibility | Pin-compatible with ADuM1400/ADuM1401/ADuM1402 - allows drop-in upgrade path without PCB redesign |
| Low dynamic power consumption | 7.7 mA typical supply current at 100 Mbps (Side 1) - reduces thermal load in dense industrial modules |
| AEC-Q100 qualification | Qualified to Grade 1 (−40°C to +125°C) - validated for automotive body electronics and battery management interfaces |
Applications
| SPI Isolation in Industrial PLCs | Isolated CAN Transceiver Power Domain Separation |
|---|---|
|
Use Scenario: Isolating SPI signals between a 3.3 V ARM Cortex-M7 host MCU and isolated ADCs/DACs in programmable logic controllers. IC Role / Device Role / Timing Role: ADUM142E1BRZ provides bidirectional 2-channel isolation for SCLK/MOSI/MISO/SS lines with matched propagation delay to preserve setup/hold timing. Use Value: Enables 150 Mbps SPI communication across 3.0 kVRMS barrier while maintaining <3 ns channel skew - critical for synchronized multi-axis motion control. |
Use Scenario: Separating power domains between a 5 V CAN controller and a 3.3 V isolated CAN transceiver in electric vehicle battery monitoring units. IC Role / Device Role / Timing Role: ADUM142E1BRZ isolates TXD/RXD signals and supplies independent VDD2 for transceiver bias, eliminating ground loop noise. Use Value: Achieves >100 kV/µs common-mode immunity to suppress switching noise from adjacent DC-DC converters - prevents CAN bus errors during regenerative braking. |
| Medical Patient Monitoring Data Acquisition | Renewable Energy Inverter Gate Drive Interface |
|
Use Scenario: Isolating analog front-end digital control lines (e.g., gain select, filter config) in Class II medical EEG/ECG devices requiring IEC 60601-1 compliance. IC Role / Device Role / Timing Role: ADUM142E1BRZ serves as reinforced isolation barrier for configuration SPI between microcontroller and isolated ADCs, meeting creepage/clearance requirements. Use Value: Delivers certified 3.0 kVRMS isolation with VDE 0884-17 and CSA 60601-1 approval - satisfies patient-connected equipment leakage current and fault safety mandates. |
Use Scenario: Transmitting PWM enable/disable and fault feedback signals between a 1.8 V FPGA and isolated gate drivers in solar string inverters operating at 1000 V DC bus. IC Role / Device Role / Timing Role: ADUM142E1BRZ carries high-voltage domain control signals with 13 ns propagation delay and fail-safe low output during FPGA power loss. Use Value: Prevents unintended IGBT turn-on during brownout via configurable fail-low behavior - avoids shoot-through and catastrophic failure in high-power stages. |
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 |
|---|---|---|---|
| ADUM142D1BRZ | Same package and pinout, but with default fail-high output instead of fail-low; identical timing and isolation specs | Preferred where bus idle state must be logic high (e.g., I²C pull-up domains) | Select ADUM142D1BRZ only if fail-high behavior aligns with system-level reset and initialization logic |
| SI8642ED-B-IS | Capacitive isolation; 5 kVRMS rating; 150 Mbps; 13 ns propagation delay; different pinout (SOIC-16 wide body) | Requires PCB layout change due to RW-16 footprint and non-pin-compatible pin assignment | Choose SI8642ED-B-IS only when higher isolation voltage (5 kV) or alternate certification (UL 1577 + VDE 0884-11) is mandatory |
Compared with ADUM142D1BRZ and SI8642ED-B-IS, the ADUM142E1BRZ offers unique fail-low output behavior and guaranteed pin compatibility with legacy ADuM140x designs - enabling seamless migration in existing industrial control boards without layout revision.
Availability
ADUM142E1BRZ is available at Aetrix Electronics and suitable for industrial automation, medical instrumentation, and automotive battery management systems requiring stable component supply, long-term lifecycle support, and AEC-Q100-qualified isolation performance.
Supply support for ADUM142E1BRZ 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.
The ADuM142E1BRZ belongs to the ADuM142x family of iCoupler® digital isolators, designed specifically for high-speed, low-power, and safety-certified multichannel isolation in harsh electromagnetic environments.
FAQ
What is the maximum guaranteed data rate for ADUM142E1BRZ?
The ADUM142E1BRZ guarantees a data rate of 150 Mbps across its full operating temperature range (−40°C to +125°C) and supply voltage range (1.8 V to 5 V). This specification is validated per Table 1 through Table 7 in Rev. K datasheet and applies to all four channels simultaneously under CL = 15 pF loading conditions.
Does ADUM142E1BRZ support level translation between different supply voltages?
Yes, ADUM142E1BRZ supports true bidirectional level translation: VDD1 can operate from 1.8 V to 5 V independently of VDD2, which also ranges from 1.8 V to 5 V. This allows direct interfacing between a 1.8 V FPGA and a 5 V isolated ADC, with logic thresholds scaling to each side's VDDx (VIH = 0.7 × VDDx, VIL = 0.3 × VDDx).
What fail-safe output behavior does ADUM142E1BRZ provide?
The ADUM142E1BRZ is configured for fail-safe low output: when VDD1 is unpowered or DISABLE1 is asserted, outputs C and D transition to and hold logic low. This behavior is fixed per part number and cannot be changed externally - it prevents floating or high-impedance states in safety-critical power control circuits.
Is ADUM142E1BRZ pin-compatible with earlier ADuM140x series isolators?
Yes, ADUM142E1BRZ is explicitly pin-compatible with ADuM1400, ADuM1401, and ADuM1402 per the General Description section and Ordering Guide in Rev. K datasheet. This allows direct replacement in existing designs without PCB modification, retaining identical SOIC-16 (R-16) footprint and pin functions.
Which safety certifications apply to ADUM142E1BRZ?
ADUM142E1BRZ is certified to UL 1577 (3000 VRMS), IEC/EN/CSA 60950-1, IEC 60601-1, IEC 61010-1, CQC GB 4943.1, and DIN EN IEC 60747-17 (VDE 0884-17). These approvals cover reinforced insulation for industrial, medical, and measurement equipment operating up to 3000 VRMS working voltage.
ADUM142E1BRZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- iCoupler®
- Package/Case:
- 16-SOIC (0.154", 3.90mm 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:
- 3000Vrms
- 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
ADUM142E1BRZ FAQ
1.How can I place an order for ADUM142E1BRZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ADUM142E1BRZ 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 ADUM142E1BRZ reliable?
The price and inventory of ADUM142E1BRZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADUM142E1BRZ is usually 5 days.
3.What payment methods are accepted for ADUM142E1BRZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADUM142E1BRZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADUM142E1BRZ?
ADUM142E1BRZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADUM142E1BRZ 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 ADUM142E1BRZ?
For technical support, including ADUM142E1BRZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADUM142E1BRZ requirements.
6.How does Aetrix verify that ADUM142E1BRZ is sourced from the original manufacturer or authorized distributors?
All ADUM142E1BRZ 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 ADUM142E1BRZ meets industry standards.
7.What is the process for return or replacement of ADUM142E1BRZ?
All ADUM142E1BRZ units undergo pre-shipment inspection (PSI). If there is an issue with ADUM142E1BRZ, 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 ADUM142E1BRZ part is unused and in its original packaging.
Return procedure for ADUM142E1BRZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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