ADUM5414ARWZ-RL7 - 4-Ch Digital Isolator w/ DC-DC | Analog Devices
MPN: ADUM5414ARWZ-RL7 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.65 | $76.50 |
| 100 | $6.8 | $680.00 |
| 500 | $6.12 | $3,060.00 |
| 1,000 | $5.5 | $5,500.00 |
ADUM5414ARWZ-RL7 Overview
Digital isolators are components that transmit digital signals across an isolation barrier, providing galvanic isolation to protect circuits and users from high voltages, ground loops, and noise. They are essential in applications where safety and signal integrity are critical, such as in motor drives, power supplies, and medical equipment. The ADUM5414 uses Analog Devices' iCoupler technology, which combines high-speed CMOS and monolithic air core transformers to achieve superior performance compared to traditional optocouplers.
Key features of the ADUM5414 include a 2.5 kVrms isolation rating, 150 Mbps data rate, and 75 kV/µs common-mode transient immunity (CMTI). The integrated DC-DC converter provides isolated power up to 500 mW, eliminating the need for a separate isolated power supply. The device also features low propagation delay and low jitter, ensuring reliable high-speed data transmission.
The ADUM5414 is designed with a robust architecture that ensures reliable operation in harsh environments. The iCoupler technology provides high immunity to electromagnetic interference (EMI) and reduces radiated emissions. The device also includes under-voltage lockout (UVLO) and thermal shutdown protection, enhancing system reliability.
Typical applications include isolated SPI interfaces, industrial fieldbus communication, isolated sensor interfaces, and power supply control. The integrated DC-DC converter simplifies board design by providing isolated power to the secondary side, reducing component count and board space.
When designing with the ADUM5414, it is important to ensure proper PCB layout to minimize parasitic capacitance and maintain isolation performance. The device requires careful attention to power supply decoupling and grounding to achieve optimal performance.
Drop-in alternatives for ADUM5414ARWZ-RL7 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ADUM5414ARWZ-RL7 (same form factor and footprint) — differing in Common-Mode Transient Immunity (CMTI), Isolation Voltage, Operating Temperature Range.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADUM5414ARWZ
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.52 / Unit
View Datasheet →ADUM5414ARWZ-RL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ADUM5414ARWZ-RL7 Maximum Ratings & Electrical Characteristics
| Number of Channels | 4 |
| Isolation Voltage | 2500 Vrms |
| Data Rate | 150 Mbps |
| Common-Mode Transient Immunity (CMTI) | 75 kV/µs |
| Integrated DC-DC Converter | Yes |
| Isolated Output Power | 500 mW |
| Supply Voltage (VDD1) | 3.0 V to 5.5 V |
| Supply Voltage (VDD2) | 3.0 V to 5.5 V |
| Operating Temperature Range | -40°C to +125°C |
| Package Type | 24-SOIC-W (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| REACH Status | Compliant |
ADUM5414ARWZ-RL7 Pin Configuration
| Pin 1 | VDD1 — Primary side supply voltage |
| Pin 2 | GND1 — Primary side ground |
| Pin 3 | VIA — Input channel A |
| Pin 4 | VIB — Input channel B |
| Pin 5 | VIC — Input channel C |
| Pin 6 | VID — Input channel D |
| Pin 7 | GND1 — Primary side ground |
| Pin 8 | VDD1 — Primary side supply voltage |
| Pin 9 | VISO — Isolated output voltage |
| Pin 10 | GNDISO — Isolated ground |
| Pin 11 | VOA — Output channel A |
| Pin 12 | VOB — Output channel B |
| Pin 13 | VOC — Output channel C |
| Pin 14 | VOD — Output channel D |
| Pin 15 | GNDISO — Isolated ground |
| Pin 16 | VISO — Isolated output voltage |
| Pin 17 | VDD2 — Secondary side supply voltage |
| Pin 18 | GND2 — Secondary side ground |
| Pin 19 | NC — No connect |
| Pin 20 | NC — No connect |
| Pin 21 | NC — No connect |
| Pin 22 | NC — No connect |
| Pin 23 | GND2 — Secondary side ground |
| Pin 24 | VDD2 — Secondary side supply voltage |
Typical Applications
ADUM5414ARWZ-RL7 is suitable for 6 applications: Isolated SPI Interface, Isolated Fieldbus Communication, Isolated Sensor Interface, Isolated Power Supply Control, Isolated Data Acquisition, Isolated Motor Drive.
Isolated SPI Interface
The ADUM5414ARWZ-RL7 is ideal for isolating SPI buses in industrial systems. With four forward channels, it can isolate MOSI, MISO, SCK, and CS signals. The integrated DC-DC converter provides isolated power to the peripheral side, eliminating the need for a separate isolated supply. The 150 Mbps data rate supports high-speed SPI communication, and the 2.5 kVrms isolation protects against ground loops and voltage transients. The device's low propagation delay ensures minimal signal skew, maintaining SPI timing integrity. This makes it suitable for isolated sensor interfaces, motor drives, and PLCs.
Recommended
Isolated Fieldbus Communication
The ADUM5414ARWZ-RL7 is used in isolated fieldbus interfaces such as PROFIBUS, Modbus, and CAN. Its high CMTI of 75 kV/µs ensures reliable operation in noisy industrial environments. The integrated DC-DC converter provides isolated power to the transceiver side, simplifying power supply design. The 150 Mbps data rate supports high-speed fieldbus protocols, and the 2.5 kVrms isolation protects against ground potential differences. The device's robust design ensures long-term reliability in harsh conditions, making it suitable for factory automation and process control systems.
Recommended
Isolated Sensor Interface
The ADUM5414ARWZ-RL7 is well-suited for isolating sensor signals in industrial and medical applications. The four forward channels can isolate digital sensor outputs, such as encoders, temperature sensors, and pressure sensors. The integrated DC-DC converter provides isolated power to the sensor, eliminating the need for a separate isolated supply. The 150 Mbps data rate allows for high-speed sensor data transmission, and the 2.5 kVrms isolation ensures patient safety in medical devices. The device's low power consumption and small footprint make it ideal for space-constrained designs.
Recommended
Isolated Power Supply Control
The ADUM5414ARWZ-RL7 is used in isolated power supply control circuits, such as in flyback and forward converters. The four forward channels can isolate PWM control signals, feedback signals, and fault signals. The integrated DC-DC converter provides isolated bias power to the secondary side, simplifying the power supply design. The 150 Mbps data rate supports high-frequency PWM control, and the 2.5 kVrms isolation ensures safety in high-voltage applications. The device's high CMTI prevents false triggering in noisy power environments, making it suitable for server power supplies and industrial power systems.
Recommended
Isolated Data Acquisition
The ADUM5414ARWZ-RL7 is used in isolated data acquisition systems to isolate ADC/DAC interfaces. The four forward channels can isolate data, clock, and control signals. The integrated DC-DC converter provides isolated power to the analog front-end, reducing noise and improving measurement accuracy. The 150 Mbps data rate supports high-speed data transfer, and the 2.5 kVrms isolation protects sensitive analog circuits from digital noise. The device's low jitter ensures accurate sampling, making it suitable for precision measurement instruments and data loggers.
Recommended
Isolated Motor Drive
The ADUM5414ARWZ-RL7 is used in isolated motor drive circuits to isolate gate driver signals and feedback signals. The four forward channels can isolate PWM signals, fault signals, and encoder signals. The integrated DC-DC converter provides isolated power to the gate driver, simplifying the power supply design. The 150 Mbps data rate supports high-frequency PWM control, and the 2.5 kVrms isolation protects the control circuit from high-voltage transients. The device's high CMTI ensures reliable operation in noisy motor environments, making it suitable for industrial motor drives and robotics.
Recommended
Recommended Products Summary
Engineering reference data for ADUM5414ARWZ-RL7 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADUM5414BRSZ-RL7 | ADUM5414ARWZ | ADUM5414ARWZ-RL | ADUM5412BRSZ-RL7 |
|---|---|---|---|---|---|
| Package | 24-SOIC-W | 24-SSOP | 24-SOIC-W | 24-SOIC-W | 24-SSOP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Channel Configuration | 4:0 | 4:0 | 4:0 | 4:0 | 2:2 |
| Isolation Voltage | 2500 Vrms | 2500 Vrms | 2500 Vrms | 2500 Vrms | 2500 Vrms |
| Data Rate | 150 Mbps | 150 Mbps | 150 Mbps | 150 Mbps | 150 Mbps |
| Integrated DC-DC | Yes | Yes | Yes | Yes | Yes |
| CMTI | 75 kV/µs | 75 kV/µs | 75 kV/µs | 75 kV/µs | 75 kV/µs |
| Operating Temperature | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C |
Key Differentiators
- Integrated DC-DC converter (vs ISO7741DW)
- Higher data rate (vs ISO7741DW)
- Higher CMTI (vs ADUM5412BRSZ-RL7)
Design Notes
For optimal isolation performance, ensure a clean separation between the primary and secondary grounds on the PCB. Avoid routing traces across the isolation barrier. Use a solid ground plane on each side and connect them only through the isolator. Place decoupling capacitors (0.1 µF and 10 µF) close to the VDD1 and VDD2 pins to minimize power supply noise.
The integrated DC-DC converter can dissipate significant power, especially at high output loads. Ensure adequate thermal management by providing copper pours and vias for heat dissipation. The operating temperature range is -40°C to +125°C, so verify that the junction temperature stays within limits under worst-case conditions. Consider derating the output power if ambient temperature is high.
Do not exceed the absolute maximum ratings for supply voltages (3.0V to 5.5V). Ensure that the isolated output power does not exceed 500 mW. When using the integrated DC-DC converter, avoid connecting external loads that draw excessive current. Also, verify that the input and output voltage levels are compatible with the connected logic families.
Compliance Information
RoHS and REACH compliant per Analog Devices product page. Not AEC-Q100 qualified.
