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Analog Devices Inc. ADUM3210ARZ
- Part No.:
- ADUM3210ARZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Digital Isolators
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
ADUM3210ARZ.pdf
- Description:
- DGTL ISO 2500VRMS 2CH GP 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,833
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Product details
Overview
ADuM3210ARZ from Analog Devices is a dual-channel, 25 Mbps digital isolator based on iCoupler® transformer technology, featuring default-low output logic, 3.3 V/5 V level translation, and reinforced insulation rated at 2500 VRMS for 1 minute. It operates across −40°C to +125°C and delivers precise timing with ≤3 ns pulse width distortion and ≤3 ns channel-to-channel matching, enabling robust SPI and RS-485 isolation in motor drives and battery monitors.
For engineers reviewing the ADuM3210ARZ datasheet, ADuM3210ARZ pinout, ADuM3210ARZ application, or ADuM3210ARZ equivalent, this page provides verified specifications, validated pin functions, confirmed automotive-grade ESD reliability per IEC 61000-4-x, and real-world substitution guidance for industrial and hybrid electric vehicle systems.
Technical Context
The ADuM3210ARZ implements two independent unidirectional isolation channels using monolithic air-core transformers-eliminating LED aging, CTR drift, and temperature-dependent nonlinearity inherent in optocouplers. Its architecture supports asymmetric supply configurations (e.g., 5 V primary / 3.3 V secondary), enabling seamless voltage translation without external level shifters.
It features integrated refresh circuitry ensuring DC correctness and immunity to magnetic fields, with guaranteed operation up to 125°C and system-level ESD robustness enhanced per IEC 61000-4-2/4-4/4-5. The device meets DIN EN IEC 60747-17 (VDE 0884-17) for reinforced insulation at 560 VPEAK.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | DC to 25 Mbps (NRZ): Enables high-speed SPI clock/data isolation without signal degradation. |
| Pulse Width Distortion | ≤3 ns max (5 V, 125°C): Ensures minimal duty-cycle error in PWM gate drive interfaces. |
| Channel-to-Channel Matching | ≤3 ns max (5 V, 125°C): Critical for synchronized dual-signal paths like differential encoder inputs. |
| Common-Mode Transient Immunity | >25 kV/µs: Maintains signal integrity in noisy motor drive or power converter environments. |
| Supply Voltage Range | 3.0–3.6 V or 4.5–5.5 V per side: Supports mixed-voltage system interfacing with no external regulators. |
| Isolation Rating | 2500 VRMS for 1 min (UL 1577); 560 VPEAK (VDE 0884-17): Meets reinforced insulation requirements for industrial safety standards. |
| Quiescent Current | 0.3–0.8 mA per channel (3.3 V/5 V): Reduces standby power in battery-backed or energy-sensitive applications. |
Pinout & Package
Narrow-body, RoHS-compliant 8-lead SOIC package (SOIC_N-8) with creepage/clearance ≥4.0 mm; input-side pins (1–4) and output-side pins (5–8) internally grouped for reinforced insulation barrier.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (VDD1) | Primary-side supply | Accepts 3.0–3.6 V or 4.5–5.5 V; powers Channel A input and internal transmitter. |
| Pin 2 (GND1) | Primary-side ground | Reference for input signals and VDD1; must be isolated from secondary ground. |
| Pin 3 (INA) | Channel A input | CMOS-compatible digital input; logic high ≥0.7×VDD1, low ≤0.3×VDD1. |
| Pin 4 (INB) | Channel B input | Independent CMOS input; enables dual-signal isolation (e.g., SPI SCLK + MOSI). |
| Pin 5 (OUTA) | Channel A output | Default-low CMOS output; drives loads up to 3.2 mA sink/source at VOL ≤0.4 V. |
| Pin 6 (OUTB) | Channel B output | Default-low CMOS output; matches OUTA timing specs for synchronous operation. |
| Pin 7 (GND2) | Secondary-side ground | Reference for outputs and VDD2; galvanically isolated from GND1. |
| Pin 8 (VDD2) | Secondary-side supply | Independent supply rail; enables level translation (e.g., 5 V → 3.3 V logic interface). |
Key Features
| Feature | Design Value |
|---|---|
| iCoupler® transformer isolation | Eliminates optocoupler wear-out mechanisms and guarantees >50-year insulation lifetime under rated stress. |
| Enhanced system-level ESD | Validated per IEC 61000-4-2 (±8 kV contact), -4-4 (±2 kV burst), and -4-5 (±1 kV surge) without board-level protection. |
| Automotive-grade qualification | AEC-Q100 qualified (Grade 1: −40°C to +125°C ambient), suitable for battery management and traction inverter control. |
| Low-power dynamic scaling | Supply current scales linearly with data rate (e.g., 0.19 mA/Mbps on input side), optimizing efficiency at partial load. |
| DC-correct operation | Internal refresh circuit maintains output state during DC or low-frequency input conditions-no data loss over time. |
Applications
| SPI Interface Isolation | RS-485 Transceiver Isolation |
|---|---|
|
Use Scenario: Isolating SPI bus between MCU and isolated ADC/DAC in industrial PLC backplane. IC Role / Device Role / Timing Role: Dual-channel unidirectional isolator separating SCLK/MOSI (INA/INB) from isolated domain (OUTA/OUTB), preserving timing integrity. Use Value: Enables 25 Mbps SPI clocking with ≤3 ns skew-prevents setup/hold violations in high-resolution data acquisition. |
Use Scenario: Galvanic isolation of RS-485 transceiver control lines (DE/RE) and data (DI/RO) in factory automation networks. IC Role / Device Role / Timing Role: Provides separate isolated paths for direction control and bidirectional data, leveraging default-low outputs for fail-safe DE assertion. Use Value: Eliminates ground loop noise and withstands >25 kV/µs transients during motor switching-ensuring network uptime. |
| Motor Gate Drive Interface | Battery Monitor Signal Isolation |
|
Use Scenario: Isolating PWM signals from controller to high-side/low-side gate drivers in 3-phase inverter stages. IC Role / Device Role / Timing Role: Delivers matched, low-skew PWM edges (≤3 ns channel-to-channel) to dual gate drivers with precise dead-time control. Use Value: Prevents shoot-through by maintaining sub-ns timing fidelity across temperature (−40°C to +125°C). |
Use Scenario: Isolating cell voltage and temperature sensing signals from battery pack to BMS microcontroller in HEV/EV systems. IC Role / Device Role / Timing Role: Transfers slow-varying analog monitoring data via isolated digital interface (e.g., I²C or UART), rejecting common-mode noise. Use Value: Achieves reinforced insulation (2500 VRMS) and automotive qualification-meeting ISO 26262 ASIL-B functional safety requirements. |
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 |
|---|---|---|---|
| ADuM3211ARZ | Same package and pinout; differs only in default output state (ADuM3211 = default-high, ADuM3210 = default-low). | Required where active-high enable or reset signaling is mandated (e.g., certain MCU GPIO wake-up logic). | Select ADuM3211ARZ only if system-level logic polarity requires default-high outputs; otherwise ADuM3210ARZ is optimal for fail-safe low-state defaults. |
| SI8620ED-IS | Capacitive isolation; 25 Mbps rating; 3.3 V only; lower propagation delay skew (1.5 ns) but no 125°C automotive grade. | Suitable for commercial-temp consumer or computing applications; lacks VDE 0884-17 reinforced insulation and UL 1577 certification. | Choose SI8620ED-IS for cost-sensitive, non-automotive designs needing tighter timing; avoid where safety certifications or extended temperature are required. |
Compared with ADuM3211ARZ, ADuM3210ARZ offers fail-safe default-low behavior critical for gate driver disable states; versus SI8620ED-IS, it provides certified reinforced insulation, 125°C operation, and mixed-supply flexibility-making it the sole choice for ASIL-B automotive and industrial safety-critical isolation.
Availability
ADuM3210ARZ is available at Aetrix Electronics and suitable for industrial motor drives, battery management systems, and isolated communication interfaces requiring stable component supply, long-term lifecycle assurance, and full regulatory compliance documentation.
Supply support for ADuM3210ARZ 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 ADuM3210ARZ belongs to the iCoupler® digital isolator product line, engineered specifically for replacing optocouplers in safety-critical, high-noise, and thermally demanding applications while delivering superior reliability and timing precision.
FAQ
What is the maximum operating temperature for ADuM3210ARZ?
The ADuM3210ARZ is rated for continuous operation from −40°C to +125°C ambient temperature, with full electrical specifications guaranteed across this range. This makes it suitable for under-hood automotive applications and high-temperature industrial environments where standard isolators derate or fail.
Does ADuM3210ARZ support level translation between 3.3 V and 5 V domains?
Yes, ADuM3210ARZ supports true bidirectional level translation: VDD1 can be 3.3 V while VDD2 is 5 V (or vice versa), with CMOS-compatible input thresholds referenced to each side's supply. This eliminates external level shifters in mixed-voltage systems such as 3.3 V MCUs interfacing with 5 V peripherals.
What safety certifications does ADuM3210ARZ hold?
ADuM3210ARZ is certified to UL 1577 (2500 VRMS, 1 min), DIN EN IEC 60747-17 (VDE 0884-17) for reinforced insulation (560 VPEAK), IEC/EN/CSA 62368-1, IEC/CSA 61010-1, and CQC GB4943.1-enabling compliance in industrial, medical, and automotive safety-critical designs.
How does ADuM3210ARZ differ from ADuM3200ARZ?
ADuM3210ARZ has a default-low output state, whereas ADuM3200ARZ has default-high. Both share identical speed, isolation, and package specs-but ADuM3210ARZ is preferred for fail-safe shutdown scenarios (e.g., disabling gate drivers on power loss), while ADuM3200ARZ suits active-high enable logic.
Can ADuM3210ARZ be used in automotive battery management systems?
Yes-ADuM3210ARZ is AEC-Q100 qualified (Grade 1), operates up to 125°C, and meets reinforced insulation requirements essential for BMS isolation. Its enhanced system-level ESD performance ensures robustness against transients in high-voltage battery packs, and its DC-correct operation prevents data loss during low-frequency sensor polling.
ADUM3210ARZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- iCoupler®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- 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:
- 1Mbps
- Propagation Delay tpLH / tpHL (Max):
- 50ns, 50ns
- Pulse Width Distortion (Max):
- 5ns
- Rise / Fall Time (Typ):
- 2.5ns, 2.5ns
- Voltage - Supply:
- 3V ~ 5.5V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -40°C ~ 105°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
ADUM3210ARZ FAQ
1.How can I place an order for ADUM3210ARZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ADUM3210ARZ 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 ADUM3210ARZ reliable?
The price and inventory of ADUM3210ARZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADUM3210ARZ is usually 5 days.
3.What payment methods are accepted for ADUM3210ARZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADUM3210ARZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADUM3210ARZ?
ADUM3210ARZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADUM3210ARZ 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 ADUM3210ARZ?
For technical support, including ADUM3210ARZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADUM3210ARZ requirements.
6.How does Aetrix verify that ADUM3210ARZ is sourced from the original manufacturer or authorized distributors?
All ADUM3210ARZ 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 ADUM3210ARZ meets industry standards.
7.What is the process for return or replacement of ADUM3210ARZ?
All ADUM3210ARZ units undergo pre-shipment inspection (PSI). If there is an issue with ADUM3210ARZ, 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 ADUM3210ARZ part is unused and in its original packaging.
Return procedure for ADUM3210ARZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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