ADUM5414ARWZ - Quad-Channel Digital Isolator with isoPower | Analog Devices
料号： ADUM5414ARWZ ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $13.82 | $13.82 |
| 10 | $12.44 | $124.40 |
| 100 | $10.89 | $1,089.00 |
| 500 | $9.68 | $4,840.00 |
| 1,000 | $8.52 | $8,520.00 |
ADUM5414ARWZ 概述
Digital isolators are components that provide electrical isolation between two circuits while allowing digital signals to pass across the isolation barrier. They are essential in applications where ground potential differences, noise, or safety requirements demand galvanic isolation. The ADUM5414ARWZ integrates the isolation barrier and a DC-to-DC converter, eliminating the need for a separate isolated power supply, which simplifies design and reduces board space.
Key features include four independent isolation channels with data rates up to 150 Mbps, a 2.5 kVrms isolation rating, and 25 kV/µs common-mode transient immunity (CMTI). The integrated isoPower converter provides up to 500 mW of isolated output power, which can be used to power external circuitry on the isolated side. The device also features a soft-start function to limit inrush current during power-up and thermal shutdown protection.
The ADUM5414ARWZ uses Analog Devices' iCoupler technology, which employs chip-scale transformers to transmit data and power 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-to-DC converter uses a push-pull topology with a fixed switching frequency, providing a regulated output with low ripple.
Typical applications include isolated SPI interfaces, isolated RS-485/RS-422 transceivers, isolated power supplies for data acquisition systems, and industrial fieldbus communication. The device is particularly suited for applications where a compact, isolated power solution is required, such as in motor drives, PLCs, and medical equipment.
When designing with the ADUM5414ARWZ, it is important to ensure proper PCB layout to minimize parasitic capacitance and maintain isolation performance. The input and output power supplies should be decoupled with low-ESR capacitors, and the isolation barrier should be kept clear of copper traces to maintain the specified creepage and clearance distances.
直接替换替代料： ADUM5414ARWZ ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ADUM5414ARWZ （相同外形与封装尺寸） ——差异在于 Package, Input Supply Voltage, Common-Mode Transient Immunity (CMTI), Data Rate, Isolation Voltage.
快速对比工具——选择替代料号进行并排对比：
ADUM5404ARWZ
✅ 直接替换✓ 有现货
$5.49 / 个
查看数据手册 →ADUM5401ARWZ
✅ 直接替换✓ 有现货
$5.5 / 个
查看数据手册 →ADUM5402ARWZ
✅ 直接替换✓ 有现货
$4.75 / 个
查看数据手册 →ADUM5403ARWZ
✅ 直接替换✓ 有现货
$7.8 / 个
查看数据手册 →ADUM1412ARWZ
⚡ 相同封装📋 参考替代料（不在目录中）
ADUM5414ARWZ 规格参数
| Number of Channels | 4 |
| Isolation Voltage | 2.5 kVrms |
| 数据速率 | 150 Mbps |
| Common-Mode Transient Immunity (CMTI) | 25 kV/µs |
| Integrated DC-to-DC Converter | Yes, up to 500 mW |
| Input Supply Voltage | 5.0 V or 3.3 V |
| Output Supply Voltage | 5.0 V or 3.3 V (regulated) |
| Output Power | 500 mW (max) |
| 封装 | 16-SOIC-W (0.295", 7.50 mm width) |
| 工作温度范围 | -40°C to +105°C |
| Isolation Rating | 2.5 kVrms |
| RoHS 状态 | Compliant |
ADUM5414ARWZ 引脚配置
| 引脚 1 | VDD1 — Input supply voltage (3.3 V or 5.0 V) |
| 引脚 2 | GND1 — Input ground |
| 引脚 3 | VIA — Input channel A |
| 引脚 4 | VOA — Output channel A |
| 引脚 5 | VIB — Input channel B |
| 引脚 6 | VOB — Output channel B |
| 引脚 7 | VIC — Input channel C |
| 引脚 8 | VOC — Output channel C |
| 引脚 9 | VID — Input channel D |
| 引脚 10 | VOD — Output channel D |
| 引脚 11 | GND2 — Isolated ground |
| 引脚 12 | VISO — Isolated output voltage (3.3 V or 5.0 V) |
| 引脚 13 | GND2 — Isolated ground |
| 引脚 14 | NC — No connect |
| 引脚 15 | NC — No connect |
| 引脚 16 | VDD1 — Input supply voltage (3.3 V or 5.0 V) |
典型应用
ADUM5414ARWZ 适用于 6 应用s: Isolated SPI Interface, Isolated RS-485 Transceiver, Isolated Power Supply for Data Acquisition, Motor Drive Control, Medical Equipment Isolation, Industrial Fieldbus Communication.
Isolated SPI Interface
The ADUM5414ARWZ provides isolated SPI communication with integrated power, eliminating the need for a separate isolated supply. Its 150 Mbps data rate supports high-speed SPI clocks, and the 500 mW output can power the isolated side's logic. The 2.5 kVrms isolation protects against ground loops and voltage transients in industrial systems. When used with a microcontroller on the primary side and a sensor or ADC on the secondary, the ADUM5414ARWZ ensures reliable data transfer with minimal propagation delay. The integrated DC-to-DC converter simplifies the power design, reducing component count and board space. For best performance, place decoupling capacitors close to the VDD and Viso pins and maintain a clean ground plane under the device.
推荐
Isolated RS-485 Transceiver
The ADUM5414ARWZ can be used to isolate an RS-485 transceiver, providing galvanic isolation between the bus and the controller. Its 2.5 kVrms isolation rating protects against ground potential differences and electrical noise in industrial environments. The integrated isoPower converter supplies the isolated side of the transceiver, eliminating the need for an external isolated DC-DC converter. The 25 kV/µs CMTI ensures reliable data transmission even in the presence of fast transients. The device's 150 Mbps data rate exceeds the requirements of RS-485, which typically operates up to 50 Mbps. This application is common in factory automation, building automation, and process control systems.
推荐
Isolated Power Supply for Data Acquisition
The ADUM5414ARWZ's integrated isoPower converter provides up to 500 mW of isolated power, which can be used to power an isolated ADC or sensor interface. This eliminates the need for a separate isolated power module, reducing cost and board space. The 2.5 kVrms isolation ensures that the sensitive analog circuitry is protected from digital noise and ground loops. The device's high data rate supports high-speed data acquisition systems, while the low propagation delay minimizes latency. In a typical data acquisition system, the ADUM5414ARWZ isolates the digital interface between the ADC and the microcontroller, providing clean, isolated power to the ADC's analog supply. This configuration is ideal for industrial monitoring, medical instrumentation, and test equipment.
推荐
Motor Drive Control
In motor drive applications, the ADUM5414ARWZ provides isolation between the low-voltage control circuitry and the high-voltage power stage. Its 2.5 kVrms isolation rating protects the controller from high-voltage transients and ground bounce. The integrated isoPower converter can power the gate driver circuitry on the isolated side, simplifying the power supply design. The 25 kV/µs CMTI ensures reliable operation in the presence of fast switching transients generated by the motor drive. The device's high data rate supports PWM signals with high resolution and low jitter. This application is common in industrial motor drives, robotics, and HVAC systems. The ADUM5414ARWZ's compact SOIC-W package fits well in space-constrained motor drive PCBs.
推荐
Medical Equipment Isolation
The ADUM5414ARWZ is suitable for medical equipment requiring galvanic isolation for patient safety. Its 2.5 kVrms isolation rating meets the requirements for basic isolation in many medical applications. The integrated isoPower converter provides isolated power to sensors and signal conditioning circuits, reducing the risk of leakage currents. The device's high data rate supports real-time monitoring and data acquisition. The wide operating temperature range of -40°C to +105°C ensures reliable operation in medical environments. The ADUM5414ARWZ is commonly used in patient monitors, infusion pumps, and diagnostic equipment. Its compact package and integrated power solution help reduce the size of medical devices, which is critical for portability.
推荐
Industrial Fieldbus Communication
The ADUM5414ARWZ is ideal for isolating fieldbus interfaces such as PROFIBUS, Modbus, and CAN. Its 2.5 kVrms isolation protects the controller from ground potential differences and electrical noise in industrial environments. The integrated isoPower converter provides isolated power to the fieldbus transceiver, eliminating the need for an external isolated supply. The 25 kV/µs CMTI ensures reliable communication in the presence of electromagnetic interference. The device's high data rate supports the high-speed communication requirements of modern fieldbuses. This application is common in factory automation, process control, and building automation systems. The ADUM5414ARWZ's robust design and wide temperature range make it suitable for harsh industrial environments.
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推荐产品汇总
工程参考数据： ADUM5414ARWZ ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ADUM5404ARWZ | ADUM5401ARWZ | ADUM5402ARWZ | ADUM5403ARWZ | ADUM1412ARWZ |
|---|---|---|---|---|---|---|
| Package | 16-SOIC-W | 16-SOIC-W | 16-SOIC-W | 16-SOIC-W | 16-SOIC-W | 16-SOIC-W |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Isolation Voltage | 2.5 kVrms | 2.5 kVrms | 2.5 kVrms | 2.5 kVrms | 2.5 kVrms | 3.75 kVrms |
| Data Rate | 150 Mbps | 150 Mbps | 150 Mbps | 150 Mbps | 150 Mbps | 1 Mbps |
| Integrated DC-to-DC Converter | Yes (500 mW) | Yes (500 mW) | Yes (500 mW) | Yes (500 mW) | Yes (500 mW) | No |
| CMTI | 25 kV/µs | 25 kV/µs | 25 kV/µs | 25 kV/µs | 25 kV/µs | 25 kV/µs |
| Channel Configuration | 4 forward, 0 reverse | 3 forward, 1 reverse | 2 forward, 2 reverse | 3 forward, 1 reverse | 4 forward, 0 reverse | 3 forward, 1 reverse |
| Operating Temperature Range | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C | -40°C to +125°C |
关键差异点
- Integrated isoPower DC-to-DC converter （对比 ADUM1412ARWZ)
- Higher data rate of 150 Mbps （对比 ADUM1412ARWZ)
- 2.5 kVrms isolation rating （对比 ADUM1412ARWZ)
设计说明
For optimal isolation performance, maintain a clean separation between the input and output grounds. Do not route copper traces under the isolation barrier. Use a solid ground plane on each side, and place decoupling capacitors (0.1 µF and 10 µF) close to the VDD1 and VISO pins. The recommended PCB layout is shown in the ADuM5401/5402/5403/5404 datasheet.
The integrated isoPower converter can deliver up to 500 mW. Ensure that the total load on the isolated side does not exceed this limit. If more power is needed, consider using an external isolated DC-DC converter. The input supply should be capable of providing sufficient current; for 5 V input, the typical input current is [DATA_NEEDED] mA at full load. Use low-ESR capacitors on the input and output to minimize ripple.
The ADUM5414ARWZ dissipates power internally due to the integrated DC-DC converter. At maximum load, the power dissipation can be significant. Ensure adequate thermal management by providing copper pour on the PCB and ensuring proper airflow. The thermal resistance from junction to ambient (θJA) is [DATA_NEEDED] °C/W. For high ambient temperatures, derate the output power accordingly.
合规信息
RoHS compliant per Analog Devices product page. Other compliance information not specified in the provided data.
