ADUM5411ARWZ - Quad-Channel Digital Isolator with DC-DC | Analog Devices
부품 번호: ADUM5411ARWZ ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $6.5 | $6.50 |
| 10 | $5.85 | $58.50 |
| 100 | $5.2 | $520.00 |
| 500 | $4.68 | $2,340.00 |
| 1,000 | $4.16 | $4,160.00 |
ADUM5411ARWZ 개요
Digital isolators are components that provide galvanic isolation between two circuits while allowing digital signals to pass across the isolation barrier. They use capacitive or magnetic coupling to transfer data without a direct electrical connection, protecting sensitive electronics from high voltages, ground loops, and noise. The ADUM5411 belongs to the iCoupler® family, which uses chip-scale transformer technology for reliable isolation. This product type falls under the broader category of isolation components, which include optocouplers, digital isolators, and isolated DC-DC converters, essential for safety and signal integrity in industrial, medical, and communication systems.
Key features of the ADUM5411ARWZ include a 150 Mbps data rate, 75 kV/µs common-mode transient immunity (CMTI), and an integrated DC-DC converter that provides up to 500 mW of isolated output power. The device supports a wide supply range of 3.0V to 5.5V on the primary side and offers a regulated output voltage that can be set via external resistors. The isolation barrier provides 2.5 kVrms isolation per UL 1577, and the device is certified for IEC 60747-5-5 and CSA standards. The SOIC-W package ensures compatibility with standard PCB assembly processes.
Technically, the ADUM5411 uses Analog Devices' iCoupler technology, which employs micro-transformers to couple signals across the isolation barrier. This approach offers superior performance compared to optocouplers, including higher data rates, lower power consumption, and better reliability. The integrated DC-DC converter uses a push-pull topology with an internal oscillator, providing a regulated output that can be used to power isolated side circuitry. The device includes an enable pin for power management and a soft-start function to limit inrush current.
Typical applications include industrial fieldbus isolation, isolated SPI/UART interfaces, motor control, and isolated power supplies for sensor interfaces. The ADUM5411 is ideal for systems requiring both signal isolation and isolated power in a single package, reducing board space and component count. Its high CMTI makes it suitable for noisy environments such as motor drives and power converters.
When designing with the ADUM5411, ensure proper PCB layout with adequate creepage and clearance distances for the isolation rating. Place decoupling capacitors close to the VDD and VDDP pins, and follow the recommended layout in the datasheet to achieve optimal isolation performance.
드롭인 대체품: ADUM5411ARWZ — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: ADUM5411ARWZ (동일 폼 팩터 및 풋프린트) — 차이점: Package, Number of Channels.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
이 제품에는 사용 가능한 드롭인 대체품이 없습니다.
대체품 요청ADUM5411ARWZ 최대 정격 & 전기적 특성
| Number of Channels | 4 |
| Channel Direction | 3/1 (input/output) |
| Isolation Rating | 2500 Vrms |
| 데이터 속도 | 150 Mbps |
| CMTI | 75 kV/µs |
| Supply Voltage (Primary) | 3.0 V to 5.5 V |
| Isolated Output Power | 500 mW |
| Output Voltage (Isolated) | 3.3 V or 5 V (selectable) |
| 패키지 | SOIC-W (16-lead, 300 mil) |
| 동작 온도 | -40°C to +125°C |
| RoHS 상태 | Compliant |
| Certifications | UL 1577, IEC 60747-5-5, CSA |
| 인에이블 핀 | Yes |
| 소프트 스타트 | Yes |
ADUM5411ARWZ 핀 구성
| 핀 1 | VDD1 — Primary supply voltage |
| 핀 2 | GND1 — Primary ground |
| 핀 3 | VIA — Input channel A |
| 핀 4 | VIB — Input channel B |
| 핀 5 | VIC — Input channel C |
| 핀 6 | VOD — Output channel D |
| 핀 7 | GND1 — Primary ground |
| 핀 8 | NC — No connect |
| 핀 9 | VISO — Isolated output voltage |
| 핀 10 | GNDISO — Isolated ground |
| 핀 11 | VISO — Isolated output voltage |
| 핀 12 | GNDISO — Isolated ground |
| 핀 13 | VOA — Output channel A |
| 핀 14 | VOB — Output channel B |
| 핀 15 | VOC — Output channel C |
| 핀 16 | VID — Input channel D |
일반적인 애플리케이션
ADUM5411ARWZ 적합 용도: 6 애플리케이션s: Industrial Fieldbus Isolation, Isolated SPI/UART Interface, Motor Control, Isolated Power Supply for Sensor Interfaces, Medical Equipment Isolation, Isolated Power for Gate Drivers.
Industrial Fieldbus Isolation
The ADUM5411ARWZ provides isolated power and data for fieldbus interfaces such as RS-485, CAN, and PROFIBUS. Its integrated DC-DC converter eliminates the need for a separate isolated supply, simplifying design. With a 150 Mbps data rate and 75 kV/µs CMTI, it ensures reliable communication in noisy industrial environments. The 2.5 kVrms isolation protects against ground loops and voltage transients, making it ideal for factory automation and process control systems.
추천
Isolated SPI/UART Interface
The ADUM5411ARWZ is well-suited for isolating SPI or UART communication between microcontrollers and peripheral devices. Its high data rate of 150 Mbps supports fast SPI clocks, while the integrated DC-DC converter powers the isolated side, reducing component count. The 3/1 channel direction ratio provides three forward channels and one reverse channel, ideal for SPI with a single chip-select line. This makes it perfect for isolated sensor interfaces and data acquisition systems.
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Motor Control
In motor control applications, the ADUM5411ARWZ isolates the control circuitry from the high-voltage power stage. Its high CMTI of 75 kV/µs ensures reliable operation in the presence of fast switching transients from IGBTs or MOSFETs. The integrated DC-DC converter provides a clean isolated supply for gate drivers and current sensors. The 2.5 kVrms isolation protects the low-voltage controller from damage, making it ideal for variable frequency drives and servo drives.
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Isolated Power Supply for Sensor Interfaces
The ADUM5411ARWZ can provide isolated power and data for sensor interfaces in industrial and medical applications. Its integrated DC-DC converter delivers up to 500 mW, sufficient for powering sensors, amplifiers, and ADCs on the isolated side. The 3/1 channel configuration allows for bidirectional communication, enabling sensor configuration and data readout. The wide operating temperature range of -40°C to +125°C ensures reliable operation in harsh environments.
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Medical Equipment Isolation
The ADUM5411ARWZ is suitable for medical equipment requiring galvanic isolation for patient safety. Its 2.5 kVrms isolation rating meets the requirements for many medical applications, and the integrated DC-DC converter simplifies the design of isolated power supplies. The high data rate supports communication with sensors and monitors, while the low power consumption helps meet energy efficiency standards. The device's small SOIC-W package is ideal for space-constrained medical devices.
추천
Isolated Power for Gate Drivers
The ADUM5411ARWZ can be used to provide isolated power and signal isolation for gate drivers in power converters. Its integrated DC-DC converter generates a floating supply for the high-side gate driver, eliminating the need for a bootstrap circuit. The high CMTI ensures stable operation during fast switching events. The 3/1 channel configuration allows for PWM signals and fault feedback, making it ideal for half-bridge and full-bridge topologies.
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추천 제품 요약
엔지니어링 참조 데이터: ADUM5411ARWZ — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ADUM5411BRSZ | ADUM5410BRSZ | ADUM5412BRSZ | ADUM6411BRSZ | ISO7742FDBQR |
|---|---|---|---|---|---|---|
| Package | SOIC-W (16-lead) | 24-SSOP | 24-SSOP | 24-SSOP | 24-SSOP | SOIC-16 |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Isolation Rating | 2500 Vrms | 2500 Vrms | 2500 Vrms | 2500 Vrms | 5000 Vrms | 5000 Vrms |
| Data Rate | 150 Mbps | 150 Mbps | 150 Mbps | 150 Mbps | 150 Mbps | 100 Mbps |
| Integrated DC-DC | Yes | Yes | Yes | Yes | Yes | No |
| Channel Direction | 3/1 | 3/1 | 2/2 | 1/3 | 3/1 | 4/0 |
| CMTI | 75 kV/µs | 75 kV/µs | 75 kV/µs | 75 kV/µs | 75 kV/µs | 100 kV/µs |
| Supply Voltage | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V | 2.25V to 5.5V |
주요 차별점
- Integrated DC-DC converter (vs ISO7742FDBQR)
- Higher data rate (vs ISO7742FDBQR)
- Smaller package (vs ADUM5411BRSZ)
설계 노트
For optimal isolation performance, maintain at least 8 mm creepage and clearance distance between the primary and secondary sides on the PCB. Place a 0.1 µF decoupling capacitor close to VDD1 and VISO pins. Use a solid ground plane under the device, but ensure the isolation barrier is not bridged by any copper traces.
The integrated DC-DC converter can deliver up to 500 mW. Ensure the input supply can provide sufficient current, considering the efficiency of the converter (typically around 30-40%). For higher power requirements, consider using an external isolated DC-DC converter instead.
The ADUM5411ARWZ dissipates power internally due to the DC-DC converter. At maximum load, the junction temperature rise can be significant. Ensure adequate thermal relief by providing copper pours on the PCB and consider the ambient temperature when calculating the thermal budget.
규정 준수 정보
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified. Additional certifications: UL 1577, IEC 60747-5-5, CSA.
