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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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Manufacturer Part # : ISO1500DBQR
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Package/Case: TSSOP16
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Part Status : ACTIVE
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Brand: Texas Instruments
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Product Categories : Drivers, Receivers, Transceivers
Quality Assurance
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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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ISO1500DBQR DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
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
Key Features
- High-speed data transmission up to 100 Mbps
- Low power consumption for energy efficiency
- Robust ESD protection for reliable communication
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| 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 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
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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