ISO1642DWR
Digital Isolators Hot-swappable, robust-EMC bidirectional I²C Isolators with 2 GPIOs 16-SOIC -40 to 125ISO1642DWR
Digital Isolators Hot-swappable, robust-EMC bidirectional I²C Isolators with 2 GPIOs 16-SOIC -40 to 125
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製造商零件號 # : ISO1642DWR
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包裝/封裝: SOIC-16
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製造商: Texas Instruments
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產品分類 : Digital Isolators
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ISO1642DWR 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
With hot swappable, low-power, bidirectional isolation for I2C interfaces, the ISO164x series of isolators offers a reliable solution for protecting sensitive electronics. Boasting UL 1577 isolation ratings of 5000 VRMS in the 16-DW package and 3000 VRMS in the 8-D package, these devices provide a high level of isolation. The integrated logic simplifies the design and reduces footprint compared to optocoupler-based solutions, making them a practical choice for various applications. Certified by VDE, UL, CSA, TUV, and CQC, the ISO164x family of isolation devices meets stringent safety and quality standards. The ISO1642 and ISO1643 integrate 2 unidirectional CMOS isolation channels, while the ISO1644 integrates 3 unidirectional CMOS isolation channels, offering versatility for static GPIO isolation or isolating a Serial Peripheral Interface (SPI) bus
主要特徵
- Safe Power Management
- Efficient Energy Use
- Real-Time Monitoring
- Automatic Fault Detection
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Rating | Catalog | Isolation rating | Reinforced |
Number of channels | 4 | Serial data | Bidirectional |
Serial clock | Bidirectional | Data rate (max) (MBps) | 1.7 |
Working isolation voltage (VIOWM) (Vrms) | 1500 | Surge isolation voltage (VIOSM) (VPK) | 10000 |
Transient isolation voltage (VIOTM) (VPK) | 7071 | Withstand isolation voltage (VISO) (Vrms) | 5000 |
CMTI (min) (kV/µs) | 50 | Supply voltage (max) (V) | 5.5 |
Supply voltage (min) (V) | 2.25 | Operating temperature range (°C) | -40 to 125 |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is ISO1642DWR?
The ISO1642DWR is a quad-channel digital isolator designed by Texas Instruments. It is ideal for applications requiring high-speed, bidirectional signal isolation, such as industrial automation, motor control, and communication interfaces.
How Does ISO1642DWR Work?
The ISO1642DWR works by providing galvanic isolation between different sections of a system while allowing high-speed data transmission. It employs capacitive isolation technology to transfer digital signals across the isolation barrier, ensuring reliable communication while protecting against voltage differences and noise.
How Many Pins does ISO1642DWR have and What are the Functions of the Pinout Configuration?
The ISO1642DWR is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- IN1 - IN4: Input pins for channels 1 to 4.
- OUT1 - OUT4: Output pins for channels 1 to 4.
- VCC1, VCC2: Power supply pins for the input and output side, respectively.
- GND1, GND2: Ground pins for the input and output side, respectively.
- nOE1 - nOE4: Output enable pins for channels 1 to 4.
What are the Pros and Cons of ISO1642DWR?
Pros:
- High-Speed Isolation: Provides bidirectional data transfer at high speeds, suitable for time-critical applications.
- Quad-Channel Configuration: Offers multiple channels in a single package, reducing component count and board space.
- Robust Isolation: Withstands high voltages and enhances system safety and reliability.
- Wide Operating Temperature Range: Suitable for industrial and automotive applications with extended temperature requirements.
- Compact Package: The 16-pin SOIC package offers space-efficient integration into designs.
Cons:
- Cost: Quad-channel digital isolators may have a higher cost compared to single or dual-channel alternatives.
- Complex Layout Considerations: Requires careful PCB layout and trace routing for optimal performance.
- Power Consumption: May have higher power consumption compared to lower-speed isolators.
Are There Any Equivalents/Alternatives to ISO1642DWR for Recommendation?
- The ISO7241CDW from Texas Instruments is a similar quad-channel digital isolator with different features and specifications.
- Alternatives to the ISO1642DWR include the SI844x from Silicon Labs and the ADuM3401 from Analog Devices.
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ISO7721QDRQ1
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