ADUM1401WSRWZ

ADUM1401WSRWZ is a quad-channel digital isolator from Analog Devices (iCoupler technology). It provides galvanic isolation between two sides of a system with four independent data channels that can transfer signals in either direction across the isolation barrier. Each side has its own supply (VCC1/GND1 on the input side and VCC2/GND2 on the output side), enabling safe separation of microcontroller logic from high-voltage or noisy circuits. The device eliminates optocouplers, offering fast, noise-immune digital signaling with low power consumption. Typical uses include isolated SPI/I2C interfaces, sensor and actuator isolation, motor-driver signaling, and other mixed-signal applications requiring safety and EMI reduction. The WSRWZ suffix denotes a specific package/field-replaceable variant of the part (RoHS-compliant, tape-and-reel packaging). For implementation, connect the input-side power pins to VCC1/GND1, the output-side power pins to VCC2/GND2, and route the four data lines across the barrier.

Here are the typical features of the ADUM1401WSRWZ (Analog Devices):
- 4-channel digital isolator (iCoupler technology) with galvanic isolation between input and output sides
- Independent channels for interfacing CMOS/TTL logic signals
- Isolation rating suitable for system safety (basic 2.5 kV RMS commonly cited in this family; check datasheet for exact variant)
- VDD1 and VDD2 supply pins allow separate power on each side (bipartite supply)
- Data rate up to tens of Mbps (typical performance around 20–25 Mbps per channel)
- High common-mode transient immunity (CMTI in the range of hundreds of kV/µs)
- Operating temperature range typically -40°C to +125°C
- Low power consumption per channel
- Package: RoHS-compliant, compact 8-pin package (WSRWZ code indicates specific packaging)
- Suitable for interfaces such as SPI, I2C, UART, and other digital signal isolation needs
Note: For exact voltage, isolation rating, and timing specs, please refer to the specific datasheet for the ADuM1401WSRWZ variant.

- Pin count: 16 pins (in a wide SOIC/tSOP package as indicated by the suffix).
- Function: Quad-channel digital isolator (iCoupler) that provides galvanic isolation between the input and output sides for four isolated digital signals.

- Manufacturer: Analog Devices, Inc. (ADI).
- What kind of company: A multinational American semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing ICs, along with sensors and related products.

ADuM1401WSRWZ is a quad-channel iCoupler digital isolator. Typical application areas:
- Galvanic isolation for digital signals between two ground domains
- Isolated interfaces (SPI, I2C, UART) across the barrier
- Microcontroller-to-peripheral data paths in embedded systems
- Automotive electronics (ECUs, body/sensor networks, powertrain)
- Industrial automation (PLCs, sensors, actuators) and factory equipment
- Motor drives, inverters, power supplies, and other high-voltage control domains
- Medical instrumentation requiring patient-safety isolation
- Data acquisition systems and high-voltage equipment control

ADuM1401WSRWZ is in a 16‑lead Small Outline Integrated Circuit (SOIC‑16) package, RoHS compliant.