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Analog Devices Inc. ADUM340E0BRQZ
- Part No.:
- ADUM340E0BRQZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Digital Isolators
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
ADUM340E0BRQZ.pdf
- Description:
- IC, QUAD-CHANNEL DIGITAL ISO 4.0
- Quantity:
- Payment:
- Shipping:
Inventory:3,830
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Product details
Overview
ADUM340E0BRQZ from Analog Devices is a quad-channel digital isolator using iCoupler® transformer-based isolation, providing 3.0 kVrms isolation rating in a 16-lead QSOP package. It delivers 150 Mbps data rate at 5 V, 6.2 ns typical propagation delay, ±8 kV IEC 61000-4-2 ESD protection, and fail-safe low (E0) output state during input power loss - used in SPI isolation for industrial PLCs and motor drives.
For engineers reviewing the ADUM340E0BRQZ datasheet, ADUM340E0BRQZ pinout, ADUM340E0BRQZ application, or ADUM340E0BRQZ equivalent, this page provides verified specifications, package mapping, functional pin definitions, real-world use cases, and validated alternative options for high-noise industrial signal isolation designs.
Technical Context
The ADUM340E0BRQZ implements four independent unidirectional isolation channels using monolithic air-core transformers, supporting 2.25 V to 5.5 V supply voltage on both sides with level translation capability. Its timing architecture achieves ≤10 ns max propagation delay and ≤3 ns channel matching at 5 V operation, enabling precise synchronization in isolated PWM and encoder interfaces.
It features dual enable inputs (VE1, VE2), tristate outputs with 3–12 ns enable/disable timing, and robust noise immunity: 180 kV/µs common-mode transient immunity and compliance with DIN EN IEC 60747-17 (VDE 0884-17) for VIORM = 566 Vpeak in QSOP packaging.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 3000 Vrms for 1 minute - certified for reinforced isolation in industrial safety-critical systems |
| Data Rate | 150 Mbps maximum - supports high-speed SPI, CAN FD, and digital encoder feedback links |
| Propagation Delay | 6.2 ns typical (10 ns max) at 5 V - enables sub-10 ns timing-critical control loop isolation |
| Supply Voltage Range | 2.25 V to 5.5 V per side - allows mixed-voltage system interfacing (e.g., 3.3 V MCU to 5 V actuator) |
| Fail-Safe Output | Low (E0) default - ensures safe shutdown of downstream logic when primary-side power fails |
| ESD Protection | ±8 kV contact per IEC 61000-4-2 across barrier - eliminates need for external TVS in harsh EMC environments |
| Operating Temperature | −40°C to +125°C - qualified for under-hood automotive and industrial motor drive applications |
| Common-Mode Immunity | 180 kV/µs typical - maintains signal integrity during fast-switching gate driver transients |
Pinout & Package
ADUM340E0BRQZ uses a 16-lead QSOP (RQ-16) package with 1.27 mm pitch, RoHS-compliant, and rated for VIORM = 566 Vpeak. Pin functions are defined per Figure 19 (Pin Configurations) of Rev. C datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1 | Primary-side power supply | Supplies input-side logic and isolation transmitter; 2.25–5.5 V range enables low-voltage MCU interfacing |
| GND1 | Primary-side ground reference | Return path for VDD1; must be separated from GND2 by ≥8 mm creepage for full isolation compliance |
| VA, VB, VC, VD | Input data channels A–D | CMOS-compatible inputs accepting 0.3×VDD1 / 0.7×VDD1 thresholds; support 150 Mbps toggle rates |
| VE1, VE2 | Enable inputs | Active-low enables; pull-up current −6 µA (typical); disable outputs to high-Z state when asserted |
| VDD2 | Secondary-side power supply | Supplies output-side logic and isolation receiver; independent voltage domain enables level translation |
| GND2 | Secondary-side ground reference | Return path for VDD2; galvanically isolated from GND1; defines secondary-side logic reference |
| OA, OB, OC, OD | Output data channels A–D | CMOS outputs with VOH ≥ VDD2 − 0.4 V @ −4 mA; VOL ≤ 0.4 V @ 4 mA; E0 variant defaults low on power loss |
Key Features
| Feature | Design Value |
|---|---|
| iCoupler® transformer isolation | Monolithic air-core transformers eliminate optocoupler aging and enable >50-year lifetime at 125°C |
| Fail-safe E0 output configuration | Guarantees logic-low outputs during VDD1 loss - critical for preventing unintended actuator activation |
| 150 Mbps guaranteed data rate | Meets timing requirements for isolated high-resolution ADCs and fast serial interfaces without oversampling |
| 180 kV/µs common-mode immunity | Withstands rapid dv/dt events from SiC/GaN inverters without data corruption or latch-up |
| AEC-Q100 Grade 1 qualification | Validated for automotive powertrain and chassis applications requiring −40°C to +125°C operation |
| Backward compatibility | Pin- and function-compatible with ADuM140E/ADuM240E families - simplifies legacy design upgrades |
Applications
| SPI Data Converter Isolation | Industrial RS-485/CAN FD Bus Isolation |
|---|---|
Use Scenario: Isolating SPI interface between microcontroller and isolated ADC/DAC in motor drive current sensing. IC Role / Device Role / Timing Role: Quad-channel unidirectional isolator transmitting SCLK, MOSI, MISO, and CS signals across isolation barrier. Use Value: Enables 150 Mbps SPI clocking with ≤10 ns skew, preserving timing margins for 16-bit+ resolution converters. |
Use Scenario: Galvanic isolation of RS-485 transceiver control lines and CAN FD bus signals in factory automation nodes. IC Role / Device Role / Timing Role: Isolates TXEN, RXD, and fault signaling between host MCU and isolated bus PHY. Use Value: Prevents ground loop currents and common-mode noise coupling while maintaining 5 Mbps CAN FD timing integrity. |
| PWM Controller Signal Isolation | General-Purpose Multichannel Isolation |
Use Scenario: Isolating gate driver enable, fault feedback, and PWM inputs in IGBT/SiC half-bridge modules. IC Role / Device Role / Timing Role: Transmits high-side/lower-side PWM signals and DESAT fault flags across 3.0 kVrms barrier. Use Value: Supports <10 ns propagation delay to maintain dead-time accuracy and prevent shoot-through in high-frequency inverters. |
Use Scenario: Replacing multiple single-channel optocouplers in programmable logic controller (PLC) I/O modules. IC Role / Device Role / Timing Role: Provides four independent isolation paths for digital inputs, outputs, and status indicators. Use Value: Reduces PCB area by 60% vs. discrete optocouplers and eliminates LED current calibration and aging drift. |
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 |
|---|---|---|---|
| ADUM340E1BRQZ | E1 variant with fail-safe high output; identical timing, isolation, and package | Required where downstream logic must default to logic-high on primary-side power loss | Select ADUM340E1BRQZ only if system safety logic mandates active-high fail-safe behavior |
| SI8640ED-B-IS | Capacitive isolation; 5000 Vrms rating; 150 Mbps; 10 ns max propagation delay; different pinout (SOIC-16) | Higher isolation voltage but lacks AEC-Q100 qualification and has no E0/E1 option | Prefer ADUM340E0BRQZ for automotive or fail-safe-critical designs; SI8640ED-B-IS suits higher-VISO non-automotive use |
Compared with ADUM340E1BRQZ, ADUM340E0BRQZ ensures deterministic low-state outputs during power failure - essential for safety interlocks. Against SI8640ED-B-IS, it offers automotive qualification and pin-compatible upgrade path from legacy ADuM140E designs, despite lower VISO.
Availability
ADUM340E0BRQZ is available at Aetrix Electronics and suitable for industrial motor drives, automotive battery management systems, and isolated power supply monitoring requiring stable component supply and long-term lifecycle support.
Supply support for ADUM340E0BRQZ 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, headquartered in Wilmington, MA.
The ADuM340E family belongs to Analog Devices' iCoupler® digital isolator product line, designed specifically for high-speed, low-power, and safety-certified signal isolation in industrial, automotive, and medical systems.
FAQ
What is the isolation voltage rating of ADUM340E0BRQZ?
ADUM340E0BRQZ is rated for 3000 Vrms isolation for 1 minute per UL 1577 and meets DIN EN IEC 60747-17 (VDE 0884-17) with VIORM = 566 Vpeak in its QSOP-16 package. This rating applies specifically to the ADUM340E0BRQZ variant and is validated for reinforced insulation in industrial equipment.
Does ADUM340E0BRQZ support level translation between different supply voltages?
Yes, ADUM340E0BRQZ supports independent 2.25 V to 5.5 V supplies on VDD1 and VDD2, enabling bidirectional level translation - for example, isolating a 3.3 V microcontroller from a 5 V sensor interface while maintaining signal integrity and timing performance.
What does the "E0" suffix indicate in ADUM340E0BRQZ?
The "E0" suffix denotes the fail-safe output configuration: when VDD1 is unpowered or below UVLO threshold, all four outputs (OA–OD) default to logic-low state. This behavior is confirmed in Table 1 and Truth Table section of the ADUM340E/ADuM341E/ADuM342E datasheet Rev. C.
Can ADUM340E0BRQZ replace ADUM140E0ARWZ in an existing design?
ADUM340E0BRQZ is not a direct drop-in replacement for ADUM140E0ARWZ due to differing packages (QSOP-16 vs. SOIC-16) and pinout. However, it is backward compatible in function and timing; board redesign is required for footprint and layout, but firmware and system-level integration remain unchanged.
Is ADUM340E0BRQZ qualified for automotive applications?
Yes, ADUM340E0BRQZ is AEC-Q100 Grade 1 qualified (−40°C to +125°C), with full test reports available from Analog Devices. This qualification covers thermal cycling, HTOL, and ESD stress, making it suitable for automotive body electronics and powertrain subsystems.
ADUM340E0BRQZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- Magnetic Coupling
- Type:
- CAN, RS485, SPI
- Isolated Power:
- Yes
- Number of Channels:
- 4
- Inputs - Side 1/Side 2:
- 4/0
- Channel Type:
- Unidirectional
- Voltage - Isolation:
- 3000Vrms
- Common Mode Transient Immunity (Min):
- 100kV/µs
- Data Rate:
- 150Mbps
- Propagation Delay tpLH / tpHL (Max):
- 10ns, 10ns
- Pulse Width Distortion (Max):
- 3ns
- Rise / Fall Time (Typ):
- 2.5ns, 2.5ns
- Voltage - Supply:
- 2.25V ~ 5.5V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QSOP
ADUM340E0BRQZ FAQ
1.How can I place an order for ADUM340E0BRQZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ADUM340E0BRQZ 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 ADUM340E0BRQZ reliable?
The price and inventory of ADUM340E0BRQZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADUM340E0BRQZ is usually 5 days.
3.What payment methods are accepted for ADUM340E0BRQZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADUM340E0BRQZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADUM340E0BRQZ?
ADUM340E0BRQZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADUM340E0BRQZ 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 ADUM340E0BRQZ?
For technical support, including ADUM340E0BRQZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADUM340E0BRQZ requirements.
6.How does Aetrix verify that ADUM340E0BRQZ is sourced from the original manufacturer or authorized distributors?
All ADUM340E0BRQZ 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 ADUM340E0BRQZ meets industry standards.
7.What is the process for return or replacement of ADUM340E0BRQZ?
All ADUM340E0BRQZ units undergo pre-shipment inspection (PSI). If there is an issue with ADUM340E0BRQZ, 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 ADUM340E0BRQZ part is unused and in its original packaging.
Return procedure for ADUM340E0BRQZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADUM340E0BRQZ Tags
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SI8710AC-B-ISR
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ISO7720FDR
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ISO7741FDWR
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