TLP7820(B,E

Overview

The TLP7820(B,E is a single-channel optically coupled isolation amplifier manufactured by Toshiba Semiconductor and Storage. It integrates an infrared LED input with a differential output circuit to provide high-precision analog signal transmission across electrical isolation barriers. The device features a fixed gain rank B configuration, ensuring consistent amplification characteristics for industrial sensing applications. It operates within a supply voltage range of 3 V to 5.5 V and supports surface-mount packaging options including SO8L and standard SOIC-8 formats.

Feature Summary

• Provides high common-mode transient immunity to suppress noise in electrically noisy environments
• Delivers precise analog signal isolation with low power consumption requirements
• Features a compact thin package design suitable for flexible printed circuit board layouts

Applications

• Motor phase and rail current sensing in electronic motor drives
• Power inverter current and voltage sensing systems
• High-accuracy industrial control and factory automation equipment

Procurement Notes

Verify the specific suffix code against official Toshiba documentation to confirm the exact package type and reel specifications. Ensure the selected variant matches the required gain accuracy and isolation voltage ratings for the target application environment before finalizing procurement orders.

Selection Notes

Select this component when high precision and stability are required for isolated current or voltage sensing. Consider the specific gain rank and package dimensions relative to the available PCB space. Verify that the operating temperature range meets the environmental conditions of the intended deployment site.

Part Context

This part belongs to the TLP7820 series of optically coupled isolation amplifiers designed for demanding industrial applications. The series addresses the need for high efficiency and accuracy in modern motor controllers and power regulators through integrated sigma-delta conversion technology.

Replacement Considerations

Consult official Toshiba substitution guides for verified alternatives. Generic replacement parts may not match the specific gain accuracy or common-mode transient immunity characteristics required for sensitive isolation amplifier circuits.