ADUM1410ARWZ-RL7 - 4-Ch Digital Isolator 3750Vrms | Analog Devices
MPN： ADUM1410ARWZ-RL7 ✓ 啟用中ADUM1410ARWZ-RL7 概覽
Digital isolators are components that transfer digital signals across an isolation barrier without a direct electrical connection, using capacitive, inductive, or optical coupling. They are essential in systems where galvanic isolation is required for safety, noise immunity, or ground potential differences. The ADUM1410 uses iCoupler technology, which employs monolithic air-core transformers and high-speed CMOS, offering advantages over optocouplers such as higher data rates, lower power consumption, and better reliability.
Key features of the ADUM1410ARWZ-RL7 include four independent isolation channels, a maximum data rate of 1Mbps, and a CMTI of 25kV/µs, ensuring reliable operation in noisy industrial environments. The device supports a wide supply range and features a default output state of high when the input power is not applied, which is critical for fail-safe designs. The package is a 16-lead SOIC-W, which is industry-standard and easy to integrate.
Technically, the ADUM1410 uses a refresh mechanism to maintain output states during DC input, and it provides a propagation delay of approximately 100ns. The device is designed to meet UL 1577, IEC 60747-5-2, and CSA standards, ensuring compliance with international safety regulations. The isolation barrier provides reinforced insulation, making it suitable for applications requiring high isolation ratings.
Typical applications include industrial fieldbus communication, motor control, power inverters, and isolated SPI/UART interfaces. The device is also used in medical equipment, where patient safety requires galvanic isolation. Its high CMTI and low propagation delay make it ideal for high-speed data acquisition systems.
When designing with the ADUM1410, ensure proper PCB layout with adequate creepage and clearance distances for the isolation barrier. Place bypass capacitors close to the VDD pins, and consider the output load capacitance to maintain signal integrity. The device does not require external components for isolation, simplifying design.
直接替換替代品，適用於 ADUM1410ARWZ-RL7 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ADUM1410ARWZ-RL7 （相同外形與佔位） — 差異在於 Supply Voltage (VDD1/VDD2), Data Rate, Number of Channels, Operating Temperature Range, Package.
ADUM1410ARWZ
✅ 直接替換聯絡詢價
查看資料表 →ADUM1410BRWZ
✅ 直接替換📋 參考替代品（不在目錄中）
ADUM1410BRWZ-RL
✅ 直接替換📋 參考替代品（不在目錄中）
ADUM141D0BRWZ
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →ADUM141D1BRWZ
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →ADUM141D2BRWZ
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →ADUM141E1BRWZ
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
ADUM141E0BRWZ
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
ADUM1410ARWZ-RL7 規格
| Number of Channels | 4 |
| Isolation Voltage | 3750 Vrms |
| 資料速率 | 1 Mbps |
| Common-Mode Transient Immunity (CMTI) | 25 kV/µs |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Propagation Delay | 100 ns (typical) |
| 輸出類型 | Digital |
| 封裝 | 16-SOIC (0.295", 7.50mm Width) |
| 工作溫度範圍 | -40°C to +105°C |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| Default Output State | High |
| Isolation Technology | iCoupler |
| 腳位數 | 16 |
ADUM1410ARWZ-RL7 腳位配置
| 腳位 1 | VDD1 — Input supply voltage (2.7V to 5.5V) |
| 腳位 2 | GND1 — Input ground |
| 腳位 3 | VIA — Input channel A |
| 腳位 4 | VIB — Input channel B |
| 腳位 5 | VIC — Input channel C |
| 腳位 6 | VID — Input channel D |
| 腳位 7 | NC — No connect |
| 腳位 8 | NC — No connect |
| 腳位 9 | VOD — Output channel D |
| 腳位 10 | VOC — Output channel C |
| 腳位 11 | VOB — Output channel B |
| 腳位 12 | VOA — Output channel A |
| 腳位 13 | GND2 — Output ground |
| 腳位 14 | VDD2 — Output supply voltage (2.7V to 5.5V) |
| 腳位 15 | NC — No connect |
| 腳位 16 | NC — No connect |
典型應用
ADUM1410ARWZ-RL7 適用於 6 應用s: Industrial Fieldbus Communication, Motor Control, Power Inverters, Isolated SPI/UART Interfaces, Medical Equipment, Data Acquisition Systems.
Industrial Fieldbus Communication
The ADUM1410ARWZ-RL7 provides galvanic isolation for fieldbus interfaces like RS-485, CAN, and Profibus. Its 1Mbps data rate and 25kV/µs CMTI ensure reliable communication in noisy industrial environments. The device isolates the controller from the bus transceiver, preventing ground loops and protecting sensitive electronics from voltage transients. With 3750Vrms isolation, it meets safety requirements for industrial equipment. The four channels can be used for data, clock, and control signals, simplifying the isolation of multi-signal interfaces.
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Motor Control
In motor control systems, the ADUM1410ARWZ-RL7 isolates the microcontroller from the gate driver and power stage. Its high CMTI of 25kV/µs ensures that fast switching transients do not corrupt the control signals. The 1Mbps data rate is sufficient for PWM signals and encoder feedback. The device's 3750Vrms isolation protects the low-voltage control circuitry from high-voltage motor drives. The four channels can be used for PWM, direction, and fault signals, providing a compact isolation solution. The wide supply range allows direct interface with 3.3V or 5V microcontrollers.
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Power Inverters
The ADUM1410ARWZ-RL7 is used in power inverters to isolate control signals from the high-voltage power stage. Its 3750Vrms isolation rating is suitable for inverter applications up to 1000V. The high CMTI ensures reliable operation in the presence of fast voltage transients from IGBT switching. The 1Mbps data rate is adequate for gate drive signals and status feedback. The device's low propagation delay of 100ns helps maintain timing accuracy in PWM generation. The four channels can be used for gate signals, fault detection, and communication, reducing component count.
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Isolated SPI/UART Interfaces
The ADUM1410ARWZ-RL7 provides isolation for SPI and UART communication between microcontrollers and peripheral devices. Its 1Mbps data rate supports SPI clock speeds up to 1MHz and UART baud rates up to 1Mbps. The four channels can accommodate SPI signals (SCK, MOSI, MISO, CS) or UART signals (TX, RX, CTS, RTS). The device's 3750Vrms isolation protects against ground potential differences and noise. The default high output state ensures fail-safe operation during power-up. The wide supply range allows level shifting between different voltage domains.
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Medical Equipment
In medical equipment, the ADUM1410ARWZ-RL7 provides galvanic isolation to protect patients and operators from electrical hazards. Its 3750Vrms isolation rating meets medical safety standards such as IEC 60601-1. The device's low leakage current and high CMTI ensure reliable operation in sensitive medical environments. The 1Mbps data rate is sufficient for patient monitoring signals and control interfaces. The four channels can be used for data, clock, and control signals, enabling compact isolation solutions. The wide temperature range of -40°C to +105°C makes it suitable for medical devices used in various environments.
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Data Acquisition Systems
The ADUM1410ARWZ-RL7 is used in data acquisition systems to isolate analog-to-digital converters (ADCs) from the host controller. Its high CMTI of 25kV/µs prevents noise from corrupting the digital data. The 1Mbps data rate is sufficient for most ADC serial interfaces. The device's low propagation delay ensures accurate timing for data sampling. The 3750Vrms isolation protects the sensitive analog circuitry from digital noise and ground loops. The four channels can be used for data, clock, and control signals, simplifying the isolation of multi-channel ADCs.
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推薦產品摘要
工程參考資料，適用於 ADUM1410ARWZ-RL7 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ADUM1410ARWZ | ADUM1410BRWZ | ADUM141D0BRWZ |
|---|---|---|---|---|
| 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 |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Data Rate | 1 Mbps | 1 Mbps | 10 Mbps | 150 Mbps |
| CMTI | 25 kV/µs | 25 kV/µs | 25 kV/µs | 75 kV/µs |
| Isolation Voltage | 3750 Vrms | 3750 Vrms | 3750 Vrms | 3750 Vrms |
| Propagation Delay | 100 ns | 100 ns | 50 ns | 13 ns |
| Supply Voltage Range | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V |
| Default Output State | High | High | High | High |
主要差異化特點
- Lower cost for 1Mbps applications (對比ADUM1410BRWZ)
- Tape and reel packaging for automated assembly (對比ADUM1410ARWZ)
- Wide supply voltage range (對比ADUM141D0BRWZ)
設計說明
For the ADUM1410ARWZ-RL7, ensure proper PCB layout with adequate creepage and clearance distances for the isolation barrier. The 16-SOIC package requires a minimum creepage of 8mm for 3750Vrms isolation. Place bypass capacitors (0.1µF) close to VDD1 and VDD2 pins to decouple high-frequency noise. Use a solid ground plane under the device to minimize EMI.
The ADUM1410ARWZ-RL7 requires a supply voltage between 2.7V and 5.5V on both VDD1 and VDD2. Ensure that the input and output sides have separate power supplies if isolation is required. The device consumes approximately 1.8mA per channel at 1Mbps, so calculate total power dissipation accordingly. Use low-ESR capacitors for stable operation.
A common mistake is to exceed the maximum data rate of 1Mbps. The ADUM1410ARWZ-RL7 is not designed for high-speed communication; for higher speeds, use the ADUM141E series. Also, ensure that the default output state (high) is acceptable for your application. If a low default is required, consider the ADUM1411 or ADUM1412 variants.
合規資訊
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified. Other compliance data not specified in provided sources.