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Analog Devices Inc. ADUM1200UR-EP
- Part No.:
- ADUM1200UR-EP
- Manufacturer:
- Analog Devices Inc.
- Category:
- Digital Isolators
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
ADUM1200UR-EP.pdf
- Description:
- DGTL ISO 2500VRMS 2CH GP 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,858
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Product details
Overview
ADUM1200UR-EP from Analog Devices is a dual-channel, reinforced digital isolator based on iCoupler® transformer technology, delivering 25 Mbps maximum data rate, <45 ns propagation delay, and 560 VPEAK working voltage under DIN V VDE V 0884-10. It operates across 3.0 V to 5.5 V on both sides and supports military-grade operation from −55°C to +125°C for SPI isolation in harsh-environment avionics systems.
For engineers reviewing the ADUM1200UR-EP datasheet, ADUM1200UR-EP pinout, ADUM1200UR-EP application, or ADUM1200UR-EP equivalent, key selection criteria include reinforced insulation certification (VIORM = 560 VPEAK), channel-to-channel matching ≤3 ns, low dynamic supply current (0.10–0.19 mA/Mbps input), and SOIC_N narrow-body package compatibility with space-constrained PCB layouts.
Technical Context
The ADUM1200UR-EP implements two independent unidirectional isolation channels using monolithic air-core transformers and integrated CMOS encoding/decoding circuitry. Each channel accepts logic inputs on Side 1 (VIA/VIB) and delivers isolated outputs on Side 2 (VOA/VOB), with no internal feedback or bidirectional capability.
It features a patented refresh circuit ensuring DC-correct output states during power-up, power-down, or static input conditions-eliminating optocoupler-like output drift. Safety compliance is verified per UL 1577 (2500 VRMS/1 min), CSA #5A, and DIN V VDE V 0884-10 (reinforced, VIORM = 560 VPEAK), with partial discharge testing at ≥1050 VPEAK/1 s.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | Dual unidirectional - enables isolated SPI clock/data paths without shared direction control logic. |
| Max Data Rate | 25 Mbps - supports high-speed serial interfaces including RS-485 transceivers and ADC/DAC data links. |
| Propagation Delay | ≤45 ns @ 5 V - ensures tight timing alignment between isolated signals in real-time control loops. |
| VIORM | 560 VPEAK - certified reinforced insulation level enabling use in 400 VRMS mains-connected industrial equipment. |
| Operating Temp | −55°C to +125°C - qualified for defense/aerospace applications per AQEC standards and extended-life reliability. |
| Supply Range | 3.0 V to 5.5 V per side - allows mixed-voltage system interfacing (e.g., 3.3 V MCU to 5 V peripheral). |
| Common-Mode Immunity | >25 kV/µs - maintains signal integrity in noisy motor drive or power converter environments. |
Pinout & Package
Narrow-body 8-lead SOIC package (SOIC_N, JEDEC MS-012-AA), 5.00 mm × 4.00 mm body, 1.27 mm lead pitch, coplanarity ≤0.10 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VDD1 | Input-side supply | Power source for encoder and input logic; must be decoupled locally to suppress switching noise coupling into isolation barrier. |
| 2 - VIA | Channel A input | Unidirectional logic input referenced to GND1; compatible with CMOS/LVTTL thresholds (VIH = 0.7×VDD1). |
| 3 - VIB | Channel B input | Independent second input; no cross-channel logic dependency - supports parallel signal isolation. |
| 4 - GND1 | Input-side ground | Reference return for VDD1, VIA, and VIB; must be separated from GND2 by ≥4.0 mm creepage/clearance. |
| 5 - GND2 | Output-side ground | Reference return for VDD2, VOA, and VOB; forms isolated domain boundary with GND1. |
| 6 - VOB | Channel B output | Isolated logic output referenced to GND2; drives loads up to ±4 mA with rail-to-rail swing. |
| 7 - VOA | Channel A output | Matched-delay output to VIA; channel-to-channel skew ≤3 ns enables synchronous dual-signal transfer. |
| 8 - VDD2 | Output-side supply | Power source for decoder and output drivers; independent of VDD1 - enables galvanic separation of power domains. |
Key Features
| Feature | Design Value |
|---|---|
| Reinforced insulation | VIORM = 560 VPEAK, certified to DIN V VDE V 0884-10 - eliminates need for external safety capacitors in IEC 61800-5-1 compliant drives. |
| DC-correct refresh | Active refresh at ≥1.1 Mbps ensures output state retention during idle periods - removes optocoupler-style output decay failure mode. |
| Low power at speed | 1.1 mA total quiescent current @ DC–2 Mbps (5 V), scaling to only 10 mA @ 25 Mbps - reduces thermal load in sealed enclosures. |
| High CMTI | >25 kV/µs common-mode transient immunity - prevents false triggering in gate driver feedback paths near SiC MOSFETs. |
| Military temp grade | −55°C to +125°C operation with controlled baseline manufacturing - meets MIL-PRF-38535 Class K screening requirements. |
Applications
| SPI Interface Isolation | RS-485 Transceiver Isolation |
|---|---|
Use Scenario: Isolating SPI bus between a 3.3 V microcontroller and a high-voltage isolated ADC in a motor control inverter. IC Role / Device Role / Timing Role: Dual-channel unidirectional isolator separating SCLK/MOSI (Side 1) from MISO (Side 2), maintaining sub-45 ns timing alignment. Use Value: Enables safe, high-fidelity sampling of phase currents at 1 MSPS while blocking 1.2 kV common-mode transients from power stage switching. |
Use Scenario: Galvanically isolating RS-485 transceiver control lines (DE/RE) and data lines (A/B) in a factory automation node. IC Role / Device Role / Timing Role: Provides separate isolated paths for direction control and differential data, eliminating ground loop-induced communication errors. Use Value: Supports 25 Mbps signaling over 1200 m cable runs while sustaining >25 kV/µs transients from nearby VFDs without packet corruption. |
| Digital Fieldbus Isolation | Industrial PLC I/O Module |
Use Scenario: Isolating PROFIBUS DP slave interface in a hazardous-area sensor hub operating at ambient −40°C to +85°C. IC Role / Device Role / Timing Role: Dual-channel isolator separates UART TX/RX lines between fieldbus controller and isolated physical layer. Use Value: Meets EN 61000-6-2 immunity requirements and provides 560 VPEAK reinforced insulation for Zone 2 intrinsic safety barriers. |
Use Scenario: Providing channel-level isolation for analog input modules in a modular PLC backplane with mixed 3.3 V/5 V logic domains. IC Role / Device Role / Timing Role: Isolates ADC serial interface and status flag lines between field-side sensors and controller-side FPGA. Use Value: Enables hot-swap capability and fault containment: single-channel failure does not propagate across isolation barrier to CPU domain. |
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 |
|---|---|---|---|
| SI8620ED-B-IS | Capacitive isolation; 25 Mbps max; VIORM = 500 VPEAK; −40°C to +125°C | Lacks military temperature rating and DIN V VDE V 0884-10 reinforced certification | Preferred where cost sensitivity outweighs AQEC qualification and 560 VPEAK requirement. |
| ISO7220CDR | Capacitive isolation; 25 Mbps max; VIORM = 400 VPEAK; −40°C to +125°C; no enhanced product variant | Not rated for defense/aerospace; lower working voltage limits system voltage class | Valid for commercial industrial designs requiring basic isolation only, not reinforced safety-critical systems. |
Compared with SI8620ED-B-IS and ISO7220CDR, the ADUM1200UR-EP uniquely delivers DIN V VDE V 0884-10 reinforced certification at 560 VPEAK plus full military temperature range (−55°C to +125°C), making it the only option qualified for AQEC-compliant avionics and high-reliability energy infrastructure deployments.
Availability
ADUM1200UR-EP is available at Aetrix Electronics and suitable for aerospace flight control systems, industrial motor drives, and medical imaging subsystems requiring stable component supply across extended product lifecycles and extreme environmental conditions.
Supply support for ADUM1200UR-EP 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 Norwood, MA.
The ADUM1200UR-EP belongs to the iCoupler® enhanced product line, designed specifically for defense, aerospace, and high-reliability industrial applications demanding extended temperature operation, rigorous process controls, and certified reinforced isolation.
FAQ
What is the maximum working voltage supported by ADUM1200UR-EP?
The ADUM1200UR-EP is certified for reinforced insulation with a maximum working voltage (VIORM) of 560 VPEAK per DIN V VDE V 0884-10. This enables safe operation in 400 VRMS AC mains-connected equipment and 600 V DC bus applications. The device undergoes 100% production partial discharge testing at ≥1050 VPEAK/1 s to verify barrier integrity. ADUM1200UR-EP must be applied within its specified creepage (≥4.0 mm) and clearance (≥4.5 mm) limits to maintain this rating.
Does ADUM1200UR-EP support bidirectional communication?
No, ADUM1200UR-EP provides two independent unidirectional channels: VIA→VOA and VIB→VOB. It does not support automatic direction sensing or half-duplex protocols like I²C without external control logic. For bidirectional isolation, a separate part such as ADUM1250 (with integrated direction control) is required. ADUM1200UR-EP's fixed unidirectional architecture simplifies timing analysis and guarantees deterministic latency in critical control paths.
Can ADUM1200UR-EP operate with different supply voltages on each side?
Yes, ADUM1200UR-EP supports mixed-supply operation: VDD1 and VDD2 may independently range from 3.0 V to 5.5 V, enabling direct interfacing between 3.3 V microcontrollers and 5 V peripherals. Electrical specifications-including propagation delay (≤50 ns), pulse width distortion (≤3 ns), and supply current-are fully characterized for 3 V/5 V and 5 V/3 V configurations. ADUM1200UR-EP maintains VIORM = 560 VPEAK regardless of supply combination.
What safety certifications apply to ADUM1200UR-EP?
ADUM1200UR-EP carries UL recognition (2500 VRMS/1 min per UL 1577), CSA Component Acceptance Notice #5A, and VDE certification to DIN V VDE V 0884-10 (2006-12) for reinforced insulation. The * marking on the package confirms VDE approval. It is rated for Installation Classification II per DIN VDE 0110 and Pollution Degree 2, with CTI >400 V. ADUM1200UR-EP is not certified to IEC 62368-1 or IEC 61000-4-x immunity standards - those require system-level validation.
How does the refresh feature in ADUM1200UR-EP function?
The ADUM1200UR-EP incorporates a patented internal refresh circuit that periodically samples input states and retransmits them across the isolation barrier, ensuring correct DC output levels even when inputs remain static for extended periods or during power-up/power-down transitions. This eliminates output drift seen in optocouplers and guarantees output stability within 1 µs after VDD restoration. Refresh operates autonomously at ≥1.1 Mbps and requires no external clock or configuration - a core advantage of ADUM1200UR-EP's iCoupler architecture.
ADUM1200UR-EP 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:
- 25Mbps
- Propagation Delay tpLH / tpHL (Max):
- 45ns, 45ns
- Pulse Width Distortion (Max):
- 3ns
- Rise / Fall Time (Typ):
- 2.5ns, 2.5ns
- Voltage - Supply:
- 3V ~ 5.5V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -55°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
ADUM1200UR-EP FAQ
1.How can I place an order for ADUM1200UR-EP through Aetrix?
Please submit a Request for Quotation (RFQ) for ADUM1200UR-EP 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 ADUM1200UR-EP reliable?
The price and inventory of ADUM1200UR-EP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADUM1200UR-EP is usually 5 days.
3.What payment methods are accepted for ADUM1200UR-EP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADUM1200UR-EP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADUM1200UR-EP?
ADUM1200UR-EP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADUM1200UR-EP 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 ADUM1200UR-EP?
For technical support, including ADUM1200UR-EP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADUM1200UR-EP requirements.
6.How does Aetrix verify that ADUM1200UR-EP is sourced from the original manufacturer or authorized distributors?
All ADUM1200UR-EP 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 ADUM1200UR-EP meets industry standards.
7.What is the process for return or replacement of ADUM1200UR-EP?
All ADUM1200UR-EP units undergo pre-shipment inspection (PSI). If there is an issue with ADUM1200UR-EP, 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 ADUM1200UR-EP part is unused and in its original packaging.
Return procedure for ADUM1200UR-EP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADUM1200UR-EP Tags
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