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Analog Devices Inc. ADUM3200WBRZ-RL7
- Part No.:
- ADUM3200WBRZ-RL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Digital Isolators
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
ADUM3200WBRZ-RL7.pdf
- Description:
- DGTL ISO 2500VRMS 2CH GP 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,824
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Product details
Overview
ADUM3200WBRZ-RL7 from Analog Devices is an automotive-grade, dual-channel digital isolator based on iCoupler® transformer technology, providing 2500 VRMS galvanic isolation, bidirectional signal transmission up to 25 Mbps, and operation at 125°C ambient temperature. It supports 3.3 V/5 V level translation across the isolation barrier and delivers ≤3 ns pulse width distortion for precise timing-critical applications such as SPI isolation in battery management systems.
For engineers reviewing the ADUM3200WBRZ-RL7 datasheet, ADUM3200WBRZ-RL7 pinout, ADUM3200WBRZ-RL7 application, or ADUM3200WBRZ-RL7 equivalent, this page provides verified electrical specifications, automotive qualification details, ESD-enhanced system-level reliability data per IEC 61000-4-x, and real-world design context for high-voltage interface isolation in hybrid electric vehicles and industrial control systems.
Technical Context
The ADUM3200WBRZ-RL7 implements two independent unidirectional isolation channels using monolithic air-core transformers, eliminating LED/photodiode aging and current-transfer-ratio drift inherent in optocouplers. Its architecture enables deterministic propagation delay (≤45 ns max at 25 Mbps, 125°C) and channel-to-channel matching (≤15 ns max), critical for synchronous serial protocols.
It integrates enhanced layout and circuit hardening for improved system-level ESD robustness per IEC 61000-4-2/4-4/4-5, with validated insulation per DIN EN IEC 60747-17 (VDE 0884-17), UL 1577, and IEC/EN/CSA 62368-1. VIORM = 560 VPEAK and common-mode transient immunity >25 kV/µs ensure stable operation in noisy motor drive and battery monitor environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | DC to 25 Mbps (NRZ) - supports full-speed SPI, RS-485, and digital field bus signaling without oversampling or protocol adaptation. |
| Isolation Rating | 2500 VRMS for 1 minute - meets reinforced insulation requirements for functional safety in automotive battery monitoring and industrial PLC I/O modules. |
| Pulse Width Distortion | ≤3 ns maximum - preserves duty cycle integrity for clock distribution and PWM feedback loops in isolated gate drivers. |
| Operating Temperature | −40°C to +125°C - qualified per AEC-Q100 for under-hood and battery-pack applications in hybrid electric vehicles. |
| Supply Voltage | 3.0–3.6 V or 4.5–5.5 V on either side - enables flexible voltage domain bridging between 3.3 V microcontrollers and 5 V sensor interfaces or transceivers. |
| Common-Mode Transient Immunity | >25 kV/µs - maintains signal integrity during fast-switching events in motor inverters and DC-DC converters. |
| Power Consumption | 1.7 mA/channel @ 2 Mbps (5 V), 5.2 mA/channel @ 25 Mbps (3.3 V) - reduces thermal load in space-constrained automotive ECUs. |
Pinout & Package
Narrow-body, RoHS-compliant 8-lead SOIC package (SOIC_N-8), 5.3 mm × 6.2 mm footprint, 1.75 mm height, with creepage/clearance ≥5.5 mm per DIN EN IEC 60747-17.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VDD1) | Primary-side power supply | Accepts 3.0–3.6 V or 4.5–5.5 V; powers input-side logic and transmitter circuitry. |
| 2 (GND1) | Primary-side ground reference | Return path for VDD1; must be separated from GND2 by isolation barrier. |
| 3 (INA) | Input A (channel 1) | CMOS-compatible digital input referenced to GND1; drives isolated output OUTA. |
| 4 (INB) | Input B (channel 2) | CMOS-compatible digital input referenced to GND1; drives isolated output OUTB. |
| 5 (GND2) | Secondary-side ground reference | Return path for VDD2; galvanically isolated from GND1; critical for noise rejection. |
| 6 (VDD2) | Secondary-side power supply | Accepts 3.0–3.6 V or 4.5–5.5 V; powers output-side logic and receiver circuitry. |
| 7 (OUTA) | Output A (channel 1) | CMOS output referenced to GND2; mirrors INA with <45 ns propagation delay at 125°C. |
| 8 (OUTB) | Output B (channel 2) | CMOS output referenced to GND2; mirrors INB with matched timing to OUTA (≤15 ns skew). |
Key Features
| Feature | Design Value |
|---|---|
| iCoupler® transformer isolation | Eliminates optocoupler wear-out mechanisms, enabling >50-year insulation lifetime and stable timing over temperature and life. |
| Automotive-grade qualification | AEC-Q100 Grade 1 (−40°C to +125°C) and system-level ESD enhancements per IEC 61000-4-x for battery monitor and BMS use. |
| Bidirectional capability via dual unidirectional channels | Supports full-duplex SPI (MOSI/MISO) or independent control/data paths without external direction control logic. |
| Voltage level translation | 3.3 V ↔ 5 V translation across isolation barrier enables interoperability between legacy 5 V peripherals and modern low-voltage MCUs. |
| Low dynamic power scaling | 0.19 mA/Mbps (input) and 0.05 mA/Mbps (output) at 5 V enable energy-efficient high-speed isolation in always-on vehicle subsystems. |
Applications
| SPI Interface Isolation | RS-485 Transceiver Isolation |
|---|---|
|
Use Scenario: Isolating SPI communication between a 3.3 V microcontroller and a high-voltage ADC or DAC in an automotive battery monitor unit. IC Role / Device Role / Timing Role: Dual-channel isolator providing separate, matched-delay paths for MOSI and MISO signals while maintaining sub-3 ns pulse width fidelity. Use Value: Prevents ground loop currents and high-voltage transients from disrupting MCU operation, enabling safe measurement of cell voltages up to 1000 V. |
Use Scenario: Galvanically isolating RS-485 transceivers in industrial fieldbus nodes connected to motor drives with high dv/dt noise. IC Role / Device Role / Timing Role: Bidirectional signal isolator handling differential TX/RX lines with >25 kV/µs CMTI to suppress coupling from adjacent power stages. Use Value: Eliminates data corruption and bus lock-up caused by common-mode noise, ensuring reliable Modbus RTU communication in harsh EMI environments. |
| Digital Field Bus Isolation | Hybrid Electric Vehicle Battery Monitor |
|
Use Scenario: Isolating CAN FD or LIN bus interfaces in distributed vehicle control units where multiple domains share a physical bus. IC Role / Device Role / Timing Role: Signal-level isolator enabling voltage domain separation between chassis-grounded and battery-grounded subsystems. Use Value: Prevents fault propagation across domains and meets ISO 11898-2 immunity requirements without adding discrete protection components. |
Use Scenario: Monitoring individual lithium-ion cell voltages and temperatures in a 400 V traction battery pack with centralized BMS controller. IC Role / Device Role / Timing Role: Automotive-qualified isolator delivering precise, low-skew timing for daisy-chained ADC readouts across 100+ cells. Use Value: Enables accurate state-of-charge estimation and cell balancing while meeting ASIL-B functional safety constraints via certified insulation lifetime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SI8620ED-B-IS | Capacitive isolation; 5000 VRMS rating; 150 Mbps max; no automotive qualification | Higher data rate but lacks AEC-Q100 Grade 1 and system-level ESD hardening per IEC 61000-4-x | Prefer for non-automotive industrial automation requiring >25 Mbps, where extended temperature range is not required. |
| ISO7720FQDWRQ1 | Capacitive isolation; 5000 VRMS; AEC-Q100 Grade 1; 100 Mbps; higher quiescent current (3.5 mA/ch @ 0 Mbps) | Same automotive qualification but larger package (SOIC-8 wide body); no PWD spec <3 ns | Prefer when higher data rate or tighter layout spacing (≥8 mm creepage) is needed, accepting higher static power and less precise timing. |
Compared with SI8620ED-B-IS and ISO7720FQDWRQ1, the ADUM3200WBRZ-RL7 offers superior pulse width distortion control (≤3 ns) and proven system-level ESD resilience for battery monitor designs, while maintaining lower dynamic power at 25 Mbps and a compact narrow-body SOIC footprint ideal for dense automotive PCB layouts.
Availability
ADUM3200WBRZ-RL7 is available at Aetrix Electronics and suitable for automotive battery management systems, industrial RS-485 networks, and SPI-isolated data acquisition requiring stable component supply across extended temperature and regulatory compliance lifecycles.
Supply support for ADUM3200WBRZ-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, and automotive markets since 1965.
The ADuM3200 family is designed specifically for robust, low-power digital signal isolation in safety-critical automotive and industrial systems, emphasizing long-term reliability, precise timing, and system-level EMC resilience over basic component-level specs.
FAQ
What is the maximum operating temperature for ADUM3200WBRZ-RL7?
The ADUM3200WBRZ-RL7 is rated for continuous operation from −40°C to +125°C ambient temperature and is AEC-Q100 qualified for automotive applications. Electrical specifications including propagation delay, pulse width distortion, and supply current are guaranteed across this full range, with test data provided up to 125°C in the Rev. G datasheet Tables 13–24.
Does ADUM3200WBRZ-RL7 support bidirectional communication on a single channel?
No, ADUM3200WBRZ-RL7 implements two unidirectional channels (INA→OUTA and INB→OUTB). Bidirectional protocols like SPI require pairing both channels - e.g., INA for MOSI and INB for MISO - with external direction control unnecessary due to fixed signal flow per channel.
What safety certifications does ADUM3200WBRZ-RL7 hold?
ADUM3200WBRZ-RL7 is certified to UL 1577 (2500 VRMS, 1 min), DIN EN IEC 60747-17 (VDE 0884-17), IEC/EN/CSA 62368-1, IEC/CSA 61010-1, and CQC GB4943.1. Its VIORM = 560 VPEAK and reinforced insulation structure meet requirements for functional isolation in automotive and industrial safety standards.
Can ADUM3200WBRZ-RL7 operate with different supply voltages on each side?
Yes, ADUM3200WBRZ-RL7 supports mixed-supply operation: VDD1 = 3.3 V / VDD2 = 5 V or VDD1 = 5 V / VDD2 = 3.3 V. The datasheet specifies full performance (including 25 Mbps data rate and ≤3 ns PWD) under these conditions at 125°C, enabling seamless level translation without external level shifters.
How does the enhanced ESD reliability of ADUM3200WBRZ-RL7 differ from standard ADUM3200 variants?
ADUM3200WBRZ-RL7 incorporates layout and circuit modifications specifically to improve system-level IEC 61000-4-2 (ESD), -4-4 (EFT), and -4-5 (surge) performance. This enhancement is board-layout dependent but validated in reference designs; it does not alter component-level HBM ratings, which remain at 4 kV.
ADUM3200WBRZ-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:
- 2500Vrms
- Common Mode Transient Immunity (Min):
- 25kV/µs
- Data Rate:
- 10Mbps
- Propagation Delay tpLH / tpHL (Max):
- 50ns, 50ns
- Pulse Width Distortion (Max):
- 3ns
- Rise / Fall Time (Typ):
- 2.5ns, 2.5ns
- Voltage - Supply:
- 3V ~ 5.5V
- Grade:
- Automotive
- Qualification:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
ADUM3200WBRZ-RL7 FAQ
1.How can I place an order for ADUM3200WBRZ-RL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADUM3200WBRZ-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 ADUM3200WBRZ-RL7 reliable?
The price and inventory of ADUM3200WBRZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADUM3200WBRZ-RL7 is usually 5 days.
3.What payment methods are accepted for ADUM3200WBRZ-RL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADUM3200WBRZ-RL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADUM3200WBRZ-RL7?
ADUM3200WBRZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADUM3200WBRZ-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 ADUM3200WBRZ-RL7?
For technical support, including ADUM3200WBRZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADUM3200WBRZ-RL7 requirements.
6.How does Aetrix verify that ADUM3200WBRZ-RL7 is sourced from the original manufacturer or authorized distributors?
All ADUM3200WBRZ-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 ADUM3200WBRZ-RL7 meets industry standards.
7.What is the process for return or replacement of ADUM3200WBRZ-RL7?
All ADUM3200WBRZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADUM3200WBRZ-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 ADUM3200WBRZ-RL7 part is unused and in its original packaging.
Return procedure for ADUM3200WBRZ-RL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADUM3200WBRZ-RL7 Tags
-
ISO1212DBQR
Texas Instruments
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ISO6721BDR
Texas Instruments
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SI8710AC-B-ISR
Skyworks Solutions Inc.
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ISO7720FDR
Texas Instruments
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ISO7721DR
Texas Instruments
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ISO7721FDR
Texas Instruments
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SI8710CC-B-ISR
Skyworks Solutions Inc.
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ISO6741FQDWRQ1
Texas Instruments
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ISO7721DWVR
Texas Instruments
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ISO7762FDBQR
Texas Instruments
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ISO7741DWR
Texas Instruments
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ISO7741FDWR
Texas Instruments
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