ADUM141D0BRWZ - 4-Ch 150Mbps Digital Isolator | Analog Devices
MPN: ADUM141D0BRWZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.63 | $5.63 |
| 10 | $5.1 | $51.00 |
| 100 | $4.5 | $450.00 |
| 500 | $3.95 | $1,975.00 |
| 1,000 | $3.4 | $3,400.00 |
ADUM141D0BRWZ Overview
Digital isolators are components that transfer digital signals across an isolation barrier without a direct electrical connection, using capacitive or magnetic coupling. They are essential in applications where ground potential differences, noise, or safety requirements demand galvanic isolation. The ADUM141D0BRWZ uses iCoupler technology, which combines high-speed CMOS and monolithic air core transformers to achieve superior performance compared to optocouplers, including higher data rates, lower power consumption, and better reliability.
Key features of the ADUM141D0BRWZ include a 3:1 channel configuration (three forward and one reverse channel), a wide supply voltage range of 1.7V to 5.5V, and a high common-mode transient immunity (CMTI) of 75 kV/µs. The device also features a default output state of low (0) on the reverse channel, which is indicated by the '0' in the part number. The propagation delay is typically 7.2 ns, and the device operates over a temperature range of -40°C to +125°C.
The ADUM141D0BRWZ is designed for general-purpose multichannel isolation, SPI/data converter isolation, and industrial field bus isolation. Its high data rate and robust isolation make it ideal for applications such as motor drives, power inverters, and medical equipment where signal integrity and safety are critical. The wide supply voltage range allows operation from both 3.3V and 5V systems, simplifying design.
When designing with the ADUM141D0BRWZ, it is important to ensure proper power supply decoupling with 0.1 µF capacitors close to the VDD1 and VDD2 pins. The input and output sides are isolated, so separate ground planes are required. The device is RoHS compliant and lead-free, meeting environmental standards for modern electronic designs.
Drop-in alternatives for ADUM141D0BRWZ — 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 ADUM141D0BRWZ (same form factor and footprint) — differing in Output Type, Supply Voltage Range, Data Rate, Isolation Voltage, Number of Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADUM141D1BRWZ
✅ Drop-In✓ In Stock
$2.88 / Unit
View Datasheet →ADUM141D0BRWZ-RL
✅ Drop-In📋 Reference alternative (not in catalog)
ADUM140D0BRWZ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ADUM141E0BRWZ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ISO7741DW
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
Si8641BB-B-IS1
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ADUM141D0BRWZ Specifications
| Number of Channels | 4 (3 forward, 1 reverse) |
| Isolation Voltage | 3750 Vrms |
| Data Rate | 150 Mbps |
| Common-Mode Transient Immunity (CMTI) | 75 kV/µs |
| Propagation Delay | 7.2 ns (typical) |
| Supply Voltage Range | 1.7 V to 5.5 V |
| Operating Temperature Range | -40°C to +125°C |
| Package | 16-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Default Output State | Low (0) |
| Technology | iCoupler |
| RoHS Status | Compliant |
| Lead-Free | Yes |
ADUM141D0BRWZ Pin Configuration
| Pin 1 | VDD1 — Input side supply voltage (1.7V to 5.5V) |
| Pin 2 | GND1 — Input side ground |
| Pin 3 | VIA — Input channel A |
| Pin 4 | VIB — Input channel B |
| Pin 5 | VIC — Input channel C |
| Pin 6 | VOD1 — Output channel 1 (reverse) |
| Pin 7 | GND1 — Input side ground |
| Pin 8 | NC — No connect |
| Pin 9 | NC — No connect |
| Pin 10 | GND2 — Output side ground |
| Pin 11 | VOD2 — Output channel 2 |
| Pin 12 | VOD3 — Output channel 3 |
| Pin 13 | VOD4 — Output channel 4 |
| Pin 14 | NC — No connect |
| Pin 15 | GND2 — Output side ground |
| Pin 16 | VDD2 — Output side supply voltage (1.7V to 5.5V) |
Typical Applications
ADUM141D0BRWZ is suitable for 6 applications: Industrial Field Bus Isolation, SPI/Data Converter Isolation, Motor Drive Isolation, Medical Equipment Isolation, Power Inverter Isolation, Communication Interface Isolation.
Industrial Field Bus Isolation
The ADUM141D0BRWZ provides galvanic isolation for industrial field buses such as RS-485, CAN, and PROFIBUS. Its 150 Mbps data rate supports high-speed communication, while the 3.75 kV isolation protects against ground loops and voltage transients. The 3:1 channel configuration allows isolation of data and control signals, with a reverse channel for acknowledgments. The high CMTI of 75 kV/µs ensures reliable operation in noisy factory environments. When used in field bus transceivers, the isolator is placed between the controller and the transceiver, ensuring that the bus side is electrically isolated from the logic side, preventing damage from surges and improving system safety.
Recommended
SPI/Data Converter Isolation
The ADUM141D0BRWZ is ideal for isolating SPI buses between microcontrollers and data converters (ADCs/DACs). Its 150 Mbps data rate easily handles SPI clock speeds up to 50 MHz, and the 3:1 channel configuration isolates MOSI, SCLK, and CS, while the reverse channel carries MISO. The low propagation delay of 7.2 ns minimizes timing skew, ensuring reliable data transfer. The wide supply voltage range (1.7V to 5.5V) allows interfacing with both 3.3V and 5V logic. In a typical application, the isolator is placed between the MCU and the ADC, providing galvanic isolation to break ground loops and improve noise immunity in precision measurement systems.
Recommended
Motor Drive Isolation
In motor drive systems, the ADUM141D0BRWZ isolates the control signals from the high-voltage power stage. Its 3.75 kV isolation rating provides safety isolation between the low-voltage controller and the high-voltage inverter. The high CMTI of 75 kV/µs ensures that fast switching transients from the IGBTs or MOSFETs do not corrupt the control signals. The 150 Mbps data rate supports high-frequency PWM signals, and the 3:1 channel configuration can isolate gate drive signals and feedback signals. The wide operating temperature range (-40°C to +125°C) makes it suitable for industrial motor drives operating in harsh environments. The isolator is typically placed between the MCU and the gate driver ICs, ensuring safe and reliable operation.
Recommended
Medical Equipment Isolation
The ADUM141D0BRWZ is suitable for medical equipment requiring galvanic isolation for patient safety. Its 3.75 kV isolation rating meets the requirements for reinforced insulation in many medical applications. The low propagation delay and high data rate ensure accurate signal transmission in diagnostic and monitoring equipment. The device's small SOIC-W package is ideal for space-constrained medical devices. The wide supply voltage range allows operation from standard 3.3V or 5V supplies. In applications such as patient monitors, the isolator separates the patient-connected sensors from the main processing unit, preventing any leakage currents from reaching the patient. The high CMTI ensures reliable operation in the presence of electromagnetic interference from other medical equipment.
Recommended
Power Inverter Isolation
The ADUM141D0BRWZ is used in power inverters to isolate control signals from the high-voltage DC bus. Its 3.75 kV isolation rating provides protection against high-voltage transients, while the high CMTI ensures reliable operation in the presence of fast switching noise. The 150 Mbps data rate supports high-frequency PWM control signals, and the 3:1 channel configuration can isolate multiple control signals. The wide operating temperature range makes it suitable for solar inverters and UPS systems. The isolator is placed between the DSP/MCU and the gate driver circuits, ensuring that the low-voltage control side is protected from the high-voltage power stage. This improves system reliability and safety.
Recommended
Communication Interface Isolation
The ADUM141D0BRWZ is used to isolate communication interfaces such as UART, SPI, and I2C in networking and telecommunication equipment. Its 150 Mbps data rate supports high-speed serial communication, and the 3:1 channel configuration allows isolation of multiple signal lines. The low propagation delay ensures minimal latency in data transmission. The wide supply voltage range allows interfacing with different logic levels. In applications like Ethernet switches and routers, the isolator provides galvanic isolation between the main board and the communication ports, preventing ground loops and reducing electromagnetic interference. The high CMTI ensures reliable operation in environments with high electrical noise.
Recommended
Recommended Products Summary
Engineering reference data for ADUM141D0BRWZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADUM141D1BRWZ | ADUM141D0BRWZ-RL | ADUM140D0BRWZ | ADUM141E0BRWZ | ISO7741DW | Si8641BB-B-IS1 |
|---|---|---|---|---|---|---|---|
| Package | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) - same | 16-SOIC (0.295", 7.50mm Width) - same | 16-SOIC (0.295", 7.50mm Width) - same | 16-SOIC (0.295", 7.50mm Width) - same | 16-SOIC (0.295", 7.50mm Width) - same | 16-SOIC (0.295", 7.50mm Width) - same |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Skyworks Solutions |
| Number of Channels | 4 (3 forward, 1 reverse) | 4 (3 forward, 1 reverse) | 4 (3 forward, 1 reverse) | 4 (4 forward, 0 reverse) | 4 (3 forward, 1 reverse) | 4 (4 forward, 0 reverse) | 4 (4 forward, 0 reverse) |
| Isolation Voltage | 3750 Vrms | 3750 Vrms | 3750 Vrms | 3750 Vrms | 3750 Vrms | 5000 Vrms | 2500 Vrms |
| Data Rate | 150 Mbps | 150 Mbps | 150 Mbps | 150 Mbps | 150 Mbps | 100 Mbps | 150 Mbps |
| CMTI | 75 kV/µs | 75 kV/µs | 75 kV/µs | 75 kV/µs | 100 kV/µs | 100 kV/µs | 75 kV/µs |
| Propagation Delay | 7.2 ns | 7.2 ns | 7.2 ns | 7.2 ns | 6.8 ns | 10.7 ns | 8 ns |
| Supply Voltage Range | 1.7V to 5.5V | 1.7V to 5.5V | 1.7V to 5.5V | 1.7V to 5.5V | 1.7V to 5.5V | 2.25V to 5.5V | 2.5V to 5.5V |
Key Differentiators
- Higher data rate than ISO7741DW (vs ISO7741DW)
- Lower propagation delay than Si8641BB-B-IS1 (vs Si8641BB-B-IS1)
- Wider supply voltage range than ISO7741DW (vs ISO7741DW)
Design Notes
Place 0.1 µF decoupling capacitors close to the VDD1 and VDD2 pins, and use a 10 µF bulk capacitor on each supply rail. Ensure that the ground planes on the input and output sides are separated and do not overlap to maintain isolation integrity. The SOIC-W package has a wide body, so ensure adequate creepage distance on the PCB for the 3.75 kV isolation rating.
Keep the isolation barrier clear of any copper traces or components to avoid reducing the isolation voltage. Route high-speed signals with controlled impedance if necessary, and minimize trace lengths to reduce parasitic capacitance. The input and output sides should have separate ground planes connected only through the isolation barrier.
Do not exceed the absolute maximum ratings for supply voltage (7V) or input/output voltage. Ensure that the default output state (low for ADUM141D0BRWZ) is acceptable for your application; if a high default is needed, use the ADUM141D1BRWZ. Also, verify that the data rate and propagation delay meet your timing requirements, especially in high-speed SPI applications.
Compliance Information
RoHS compliant per manufacturer product page. Lead-free. No AEC-Q100 qualification indicated for this part.