ISO1500DBQR
The ISO1500DBQR is a high-speed RS-422/RS-485 interface IC with a 1-Mbps data rate and a half-duplex communication modeISO1500DBQR
The ISO1500DBQR is a high-speed RS-422/RS-485 interface IC with a 1-Mbps data rate and a half-duplex communication mode
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製造商零件號 # : ISO1500DBQR
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包裝/封裝: TSSOP16
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零件狀態 : ACTIVE
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製造商: Texas Instruments
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產品分類 : Drivers, Receivers, Transceivers
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ISO1500DBQR 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
The ISO1500DBQR is a versatile and compact device designed for TIA/EIA RS-485 and RS-422 applications. With its 3-channel digital isolator and RS-485 transceiver packaged in a small 16-pin SSOP format, it offers a convenient solution for communication needs. The built-in protection against ESD and EFT events ensures reliable performance even in challenging environments. Additionally, the failsafe feature of the receiver output adds an extra layer of security by detecting bus faults such as opens, shorts, and idle conditions
主要特徵
- High-speed data transmission up to 100 Mbps
- Low power consumption for energy efficiency
- Robust ESD protection for reliable communication
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 | Integrated isolated power | No |
Isolation rating | Basic | Duplex | Half |
Data rate (max) (MBps) | 1 | Working isolation voltage (VIOWM) (Vrms) | 400 |
Surge isolation voltage (VIOSM) (VPK) | 4000 | Transient isolation voltage (VIOTM) (VPK) | 4242 |
Withstand isolation voltage (VISO) (Vrms) | 2500 | ESD HBM (kV) | 16 |
VCC1 (min) (V) | 1.71 | VCC1 (max) (V) | 5.5 |
VCC2 (min) (V) | 4.5 | VCC2 (max) (V) | 5.5 |
Fail safe | Idle, Open, Short | CMTI (min) (kV/µs) | 85 |
Operating temperature range (°C) | -40 to 125 | Creepage (min) (mm) | 3.7 |
Clearance (min) (mm) | 3.7 |
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 ISO1500DBQR?
The ISO1500DBQR is a digital isolator designed by Texas Instruments. It provides galvanic isolation for communication interfaces, protecting sensitive circuitry from noise and voltage differences. The device is commonly used in industrial automation, automotive, and medical applications.
How Does ISO1500DBQR Work?
The ISO1500DBQR works by utilizing internal isolation barrier technology to transfer digital signals between isolated domains. It employs capacitive or magnetic techniques to achieve galvanic isolation, ensuring that signals pass through without a direct electrical connection. The isolator helps prevent ground loops and voltage spikes, enhancing system reliability.
How Many Pins does ISO1500DBQR have and What are the Functions of the Pinout Configuration?
The ISO1500DBQR is housed in a 16-pin SSOP (Shrink Small Outline Package) package. The pinout configuration includes:
- VDD1, VDD2: Power supply pins for each side of the isolation barrier.
- GND1, GND2: Ground pins for each side of the isolation barrier.
- IN1, IN2: Input pins for each channel of data transmission.
- OUT1, OUT2: Output pins for each channel of data reception.
- EN1, EN2: Enable pins for each channel to control data transmission.
What are the Pros and Cons of ISO1500DBQR?
Pros:
- Galvanic Isolation: Provides electrical isolation to protect sensitive circuits.
- High Noise Immunity: Helps mitigate noise and voltage transients for reliable data transmission.
- Compact Package: The 16-pin SSOP package offers space-efficient design for integration.
- Wide Temperature Range: Suitable for harsh industrial environments with extended temperature operation.
- Low Power Consumption: Operates with low power consumption for energy-efficient systems.
Cons:
- Cost: Digital isolators like the ISO1500DBQR may have a higher cost compared to simpler isolation methods.
- Channel Count: Limited channels may require multiple isolators for complex communication systems.
- Data Rate: May have limitations on maximum data transfer rates compared to some alternatives.
Are There Any Equivalents/Alternatives to ISO1500DBQR for Recommendation?
- The Silicon Labs Si823x series provides alternatives with similar isolation capabilities.
- Equivalents to the ISO1500DBQR include the ADUM1400 series from Analog Devices and the MAX14850 from Maxim Integrated.
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