ChipApex | Global Electronic Components Supplier
ISO1541QDQ1
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：DGTL ISOLTR 2.5KV 2CH I2C 8-SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Number of Channels：2
- Voltage - Isolation：2500Vrms
- Rise / Fall Time (Typ)：-
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：Automotive
- Qualification：AEC-Q100
Download product information
Overview
The ISO1541QDQ1 is a low-power, bidirectional digital isolator from Texas Instruments designed for automotive applications. It features two channels with capacitive coupling technology and supports I2C interfaces. The device operates within a supply voltage range of 3 V to 5.5 V and provides an isolation voltage of 2500 Vrms. Key electrical parameters include a data rate of 1 Mb/s, propagation delay of 70 ns, and common-mode transient immunity of 25 kV/µs. It is housed in an 8-SOIC package and is qualified under AEC-Q100 standards.
Feature Summary
- Bidirectional signal transmission capability compatible with I2C protocols
- Capacitive coupling isolation technology for noise immunity
- Automotive grade qualification ensuring reliability in harsh environments
Applications
- Automotive electronic control units requiring isolated communication
- I2C bus isolation in vehicle sensor networks
- Ground potential difference blocking in automotive subsystems
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix 'QDR' versus 'QD' as the QDQ1 variant may have different availability status compared to active equivalents. Ensure compliance with AEC-Q100 requirements for your specific automotive application tier before finalizing procurement decisions.
Selection Notes
Select this component when bidirectional I2C isolation is required in automotive systems. Consider the 8-SOIC package constraints and power dissipation limits. Evaluate the need for shutdown functionality if present in the specific revision. Compare against active alternatives like the ISO1541QDRQ1 if supply chain continuity is a primary concern.
Part Context
This part belongs to the ISO154x-Q1 family of low-power bidirectional isolators. These devices are engineered to replace optocouplers in automotive designs, offering superior performance in size, speed, and power consumption while maintaining robust isolation capabilities for sensitive circuitry protection.
Replacement Considerations
The ISO1541QDRQ1 is listed as a manufacturer-recommended replacement for the ISO1541QDQ1. Verify pinout compatibility and parameter equivalence before substitution.
