DCM340L01(AS,EL)

Overview

The DCM340L01(AS,EL) is a high-speed quad-channel digital isolator utilizing Toshiba’s proprietary magnetic coupling technology. It provides galvanic isolation with a rated voltage of 5000Vrms and a typical common-mode transient immunity of 100kV/µs. The device supports data rates up to 50Mbps with a maximum propagation delay of 18.4ns. It operates on a single power supply ranging from 3V to 5.5V and features a 16-SOIC package. Designed for automotive applications, it holds AEC-Q100 qualification and functions within a temperature range of -40°C to 125°C.

Feature Summary

• Employs magnetic coupling technology for robust signal transmission across the isolation barrier.
• Provides high common-mode transient immunity to maintain signal integrity in noisy environments.
• Features integrated logic interface capabilities suitable for SPI communication protocols.
• Delivers bidirectional or unidirectional channel configurations within a compact surface-mount package.

Applications

• Automotive electronic control units requiring certified isolation
• SPI bus interfaces in industrial systems
• Gate driver circuits for power electronics
• Medical equipment isolation barriers

Procurement Notes

Verify the specific suffix (AS,EL) corresponds to the required tape-and-reel packaging configuration and automotive grade certification. Confirm that the 16-SOIC footprint matches the target PCB design constraints. Ensure the operating voltage range aligns with the system's power supply rails before finalizing procurement orders.

Selection Notes

Select this component when AEC-Q100 automotive qualification is mandatory for the application. Choose this part over standard industrial isolators if higher thermal stability up to 125°C is required. Consider this device for designs needing 50Mbps throughput with low propagation delay variations across multiple channels.

Part Context

This device belongs to Toshiba’s DCM340x01 series of digital isolators. It shares the same core magnetic coupling architecture as other members but is specifically optimized for SPI applications and automotive reliability standards. The family offers various channel counts and directionality options within the same package style.

Replacement Considerations

Direct substitutes include DCM341L01(AS,EL) which offers similar specifications with slight variations in delay characteristics. Verify pinout compatibility and electrical parameters against current design requirements before swapping components.

FAQ

What is the maximum data rate supported by this isolator?

The DCM340L01(AS,EL) supports a maximum data rate of 50Mbps.

Is this component qualified for automotive applications?

Yes, the DCM340L01(AS,EL) is AEC-Q100 qualified for automotive use.