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Analog Devices Inc. ADUM5400CRWZ
- Part No.:
- ADUM5400CRWZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Digital Isolators
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
ADUM5400CRWZ.pdf
- Description:
- DGTL ISO 2500VRMS 4CH GP 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,530
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Product details
Overview
ADUM5400CRWZ from Analog Devices is a quad-channel digital isolator with integrated isoPower® dc-to-dc converter, delivering regulated 5 V/100 mA isolated output (500 mW), supporting up to 25 Mbps NRZ data rates per channel, and featuring 2500 Vrms reinforced isolation in a 16-lead SOIC package with ≥7.6 mm creepage. It eliminates external isolated power supplies in industrial RS-485 transceivers and PLC I/O modules.
For engineers reviewing the ADUM5400CRWZ datasheet, ADUM5400CRWZ pinout, ADUM5400CRWZ application, or ADUM5400CRWZ equivalent, key selection criteria include its integrated 5 V/100 mA isolated supply, 25 Mbps channel speed, 25 kV/µs CMTI, −40°C to +105°C operation, and UL/VDE/CSA safety certifications for reinforced insulation.
Technical Context
The ADUM5400CRWZ uses iCoupler® chip-scale transformer technology to isolate both logic signals and power transfer paths. Its secondary-side-controlled PWM feedback architecture regulates the 5 V isolated output with 34% efficiency at full load and maintains stability across 4.5–5.5 V input and temperature extremes.
All four channels operate independently with Schmitt-trigger inputs, 45–60 ns propagation delay (C grade), <6 ns pulse width distortion, and channel-to-channel matching ≤6 ns. The device implements undervoltage lockout on VDD1, VDDL, and VISO with 0.3 V hysteresis to prevent erratic startup under noisy or slow-ramping supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 2500 Vrms for 1 min (UL 1577); VIORM = 560 Vpeak (IEC 60747-5-2) - enables reinforced insulation for 250 Vrms working voltage in industrial mains-connected systems. |
| Data Rate | 25 Mbps (NRZ) - supports high-speed serial interfaces like RS-485 at full rate without timing degradation. |
| Isolated Supply | 5.0 V ±0.3 V, 100 mA max - powers downstream logic (e.g., transceiver bias, sensor ADC) without external DC/DC. |
| CMTI | >25 kV/µs - ensures reliable operation in noisy motor drive or power supply environments with fast switching transients. |
| Propagation Delay | 45–60 ns (tPLH/tPHL, C grade) - enables precise timing-critical applications such as gate drive synchronization. |
| Operating Temp | −40°C to +105°C - qualified for extended industrial and automotive under-hood ambient conditions. |
| Package | 16-lead SOIC wide-body (RWZ), 7.6 mm creepage - meets IPC-2221B clearance/creepage requirements for 250 Vrms reinforced insulation. |
Pinout & Package
ADUM5400CRWZ uses a 16-lead SOIC wide-body (RWZ) package with >7.6 mm creepage distance between input and output sides. Pin 1–8 form the primary (input) side; Pins 9–16 form the isolated (output) side. VDD1 and GND1 are duplicated (Pins 1/2 and 7/8) for low-impedance input supply routing; VISO and GNDISO are also duplicated (Pins 10/16 and 9/15) to support robust isolated power delivery.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1 (Pins 1, 7) | Primary-side logic supply input | 4.5–5.5 V input powering internal oscillator, logic, and transformer primary; requires local 0.1 µF + 10 µF bypass within 2 mm. |
| GND1 (Pins 2, 8) | Primary-side ground reference | Internally connected; must be tied to common primary ground plane with multiple thermal vias for heat dissipation. |
| VIA–VID (Pins 3–6) | Primary-side logic inputs (A–D) | Schmitt-trigger inputs compatible with 3.3 V or 5 V logic; tolerate −0.5 V to VDD1+0.5 V. |
| VDDL (Pin 7) | Primary-side logic power rail | Must be shorted to VDD1; supplies internal logic core; requires dedicated 0.1 µF ceramic bypass. |
| VISO (Pins 10, 16) | Isolated 5 V output supply | Regulated 5.0 V ±0.3 V, 100 mA max; pins not internally connected - must be externally joined on PCB with low-inductance trace. |
| GNDISO (Pins 9, 15) | Isolated-side ground reference | Internally connected; forms return path for VISO and output logic; requires separate isolated ground plane. |
| VOA–VOD (Pins 11–14) | Isolated-side logic outputs (A–D) | 5 V CMOS-compatible outputs driving up to ±4 mA; VOH ≥ 4.8 V @ −4 mA, VOL ≤ 0.4 V @ +4 mA. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated isoPower® DC/DC | Eliminates external isolated power supply - reduces BOM count, board area, and design validation effort for low-power isolated systems. |
| 25 kV/µs CMTI | Prevents data corruption during fast-switching events in motor drives or inverters without requiring additional filtering or shielding. |
| Reinforced Isolation (2500 Vrms) | Meets IEC 60747-5-2 and UL 1577 for single-package reinforced insulation - avoids dual-isolator architectures and associated layout complexity. |
| −40°C to +105°C Operation | Enables deployment in harsh industrial enclosures or automotive engine-control units without derating or thermal management overhead. |
| UVLO with Hysteresis | Ensures clean power-on reset and prevents oscillation during brown-out or slow-ramp conditions on VDD1, VDDL, or VISO rails. |
Applications
| Industrial RS-485 Transceivers | Programmable Logic Controller (PLC) I/O Modules |
|---|---|
Use Scenario: Isolating half-duplex RS-485 communication lines in factory automation networks exposed to ground loops and EFT bursts. IC Role / Device Role / Timing Role: Provides galvanic isolation for data lines and supplies isolated 5 V bias to the RS-485 transceiver IC. Use Value: Enables 25 Mbps operation while maintaining 2500 Vrms isolation and >25 kV/µs transient immunity - eliminating need for separate isolated DC/DC and discrete isolators. |
Use Scenario: Digitally isolating analog and digital I/O channels in modular PLC backplanes where field-side sensors/actuators operate at different ground potentials. IC Role / Device Role / Timing Role: Isolates four independent digital control or status signals and powers isolated sensor signal conditioning circuitry. Use Value: Delivers 500 mW of regulated isolated power to downstream ADCs, op-amps, or level shifters - reducing system-level power conversion complexity. |
| Isolated Sensor Interfaces | Power Supply Start-up Bias |
Use Scenario: Providing isolated power and signal integrity for precision current/voltage sensors in switch-mode power supplies or battery management systems. IC Role / Device Role / Timing Role: Supplies isolated 5 V to sensor front-end amplifiers and isolates feedback signals to the controller. Use Value: Maintains <6 ns pulse width distortion and 45 ns propagation delay - preserving timing accuracy for real-time current sensing in high-frequency converters. |
Use Scenario: Generating initial bias voltage for auxiliary controllers or gate drivers during main power supply soft-start sequences. IC Role / Device Role / Timing Role: Delivers regulated 5 V to bootstrap circuits before main DC/DC reaches regulation, enabling controlled power-up sequencing. Use Value: UVLO with 0.3 V hysteresis ensures reliable start-up even with slow-ramping input rails - preventing glitchy behavior during cold-start conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad-channel isolator-with-integrated-DC/DC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADUM5401CRWZ | Same package and isolation rating, but provides 25 Mbps on all four channels (vs. ADUM5400CRWZ's A/C-grade split: two 1 Mbps + two 25 Mbps channels). | Better suited for fully high-speed applications (e.g., isolated SPI clock/data lines); less optimal when only two high-speed channels are needed. | Select ADUM5401CRWZ if all four channels require 25 Mbps capability; ADUM5400CRWZ offers cost advantage when mixed-speed operation suffices. |
| SI88440ED-IS | Quad-channel isolator with 5 V/100 mA isolated supply, 2500 Vrms rating, but uses capacitive isolation and lacks Schmitt-trigger inputs. | Higher EMI susceptibility due to lack of magnetic-field immunity specification; no documented CMTI >25 kV/µs. | Choose SI88440ED-IS only if capacitive isolation meets system EMC requirements and Schmitt inputs are unnecessary. |
Compared with ADUM5400CRWZ, ADUM5401CRWZ delivers uniform 25 Mbps performance across all channels at slightly higher cost, while SI88440ED-IS trades magnetic-field immunity and input hysteresis for alternative isolation physics - making ADUM5400CRWZ the preferred choice for high-noise industrial environments demanding guaranteed CMTI and robust input threshold behavior.
Availability
ADUM5400CRWZ is available at Aetrix Electronics and suitable for industrial PLCs, RS-485 transceiver designs, and isolated sensor interface modules requiring stable component supply, long-term lifecycle assurance, and certified reinforced isolation.
Supply support for ADUM5400CRWZ 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, with R&D and manufacturing operations worldwide.
The ADuM5400CRWZ belongs to the iCoupler® isoPower® family, designed specifically to replace optocouplers and discrete isolation + DC/DC solutions in space-constrained, high-reliability industrial and instrumentation systems.
FAQ
What is the maximum continuous output current from the isolated 5 V supply of the ADUM5400CRWZ?
The ADUM5400CRWZ provides up to 100 mA of continuous output current from its isolated 5 V supply (VISO) at temperatures up to +85°C, and 60 mA at +105°C. This is specified in Table 1 and Table 10 of the datasheet under "Output Supply Current" and "VISO Supply Current" absolute maximum ratings. The device delivers up to 500 mW total isolated power, making it suitable for powering small transceivers, ADCs, or logic buffers on the isolated side.
Does the ADUM5400CRWZ require external components for its integrated DC/DC converter to function?
Yes, the ADUM5400CRWZ requires external bypass capacitors: a 0.1 µF ceramic capacitor and a 10 µF bulk capacitor placed in parallel between VDD1 and GND1 (Pins 1–2), and similarly between VISO and GNDISO (Pins 15–16). These must be located within 2 mm of the respective pins to ensure stable regulation and noise suppression, as detailed in the PCB Layout section (Page 12) and Figure 13 of the datasheet.
How does the ADUM5400CRWZ maintain DC correctness during idle periods?
The ADUM5400CRWZ uses an internal refresh mechanism that sends periodic pulses across the isolation barrier when no input transitions occur for >1 µs. This ensures the output retains the correct logic state indefinitely. If no pulses are received for >5 µs, the watchdog timer forces outputs to a default state - a feature critical for safe operation during power-up/down sequences, as described in the "DC Correctness and Magnetic Field Immunity" section (Page 13).
Can the ADUM5400CRWZ be used in systems requiring reinforced insulation per IEC 60747-5-2?
Yes, the ADUM5400CRWZ is certified to IEC 60747-5-2 (VDE 0884-2):2003-01 with VIORM = 560 Vpeak, qualifying it for reinforced insulation at 250 Vrms working voltage. It carries the * marking on the package denoting this approval, and meets creepage (7.6 mm), clearance (8.0 mm), and CTI (>175 V) requirements outlined in Table 7 and Table 8 of the datasheet.
What is the propagation delay skew between channels in the ADUM5400CRWZ?
The ADUM5400CRWZ exhibits ≤6 ns channel-to-channel matching (tPSKCD/tPSKOD) and ≤15 ns propagation delay skew (tPSK) between any two units under identical operating conditions. These values are specified in Table 3 for the C grade and ensure precise timing alignment across all four isolated channels - essential for synchronous data transmission and gate drive applications.
ADUM5400CRWZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- IsoPower®, iCoupler®
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- Magnetic Coupling
- Type:
- General Purpose
- Isolated Power:
- Yes
- Number of Channels:
- 4
- Inputs - Side 1/Side 2:
- 4/0
- Channel Type:
- Unidirectional
- Voltage - Isolation:
- 2500Vrms
- Common Mode Transient Immunity (Min):
- 25kV/µs
- Data Rate:
- 25Mbps
- Propagation Delay tpLH / tpHL (Max):
- 60ns, 60ns
- Pulse Width Distortion (Max):
- 6ns
- Rise / Fall Time (Typ):
- 2.5ns, 2.5ns
- Voltage - Supply:
- 4.5V ~ 5.5V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -40°C ~ 105°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
ADUM5400CRWZ FAQ
1.How can I place an order for ADUM5400CRWZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ADUM5400CRWZ 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 ADUM5400CRWZ reliable?
The price and inventory of ADUM5400CRWZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADUM5400CRWZ is usually 5 days.
3.What payment methods are accepted for ADUM5400CRWZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADUM5400CRWZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADUM5400CRWZ?
ADUM5400CRWZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADUM5400CRWZ 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 ADUM5400CRWZ?
For technical support, including ADUM5400CRWZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADUM5400CRWZ requirements.
6.How does Aetrix verify that ADUM5400CRWZ is sourced from the original manufacturer or authorized distributors?
All ADUM5400CRWZ 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 ADUM5400CRWZ meets industry standards.
7.What is the process for return or replacement of ADUM5400CRWZ?
All ADUM5400CRWZ units undergo pre-shipment inspection (PSI). If there is an issue with ADUM5400CRWZ, 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 ADUM5400CRWZ part is unused and in its original packaging.
Return procedure for ADUM5400CRWZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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