TLP7820(D4-TL,E

Overview

The TLP7820(D4-TL,E is an optically isolated amplifier manufactured by Toshiba Semiconductor and Storage. It features a single channel with an analog output in an SOIC-8 package. Key electrical parameters include a bandwidth of 230 kHz, a common-mode rejection ratio of 80 dB, and an input offset voltage of 900 uV. The device operates on a supply voltage ranging from 3 V to 5.5 V. It supports a wide operating temperature range from -40 C to +105 C and provides high isolation voltage capabilities suitable for demanding industrial environments.

Feature Summary

• Provides high-speed signal transmission with significant common-mode transient immunity for noise reduction
• Delivers precise analog amplification with low nonlinearity and stable gain characteristics
• Ensures electrical safety through certified insulation standards including VDE approval

Applications

• Motor phase current sensing in electronic motor drives
• Power inverter current and voltage sensing
• Industrial automation control systems requiring galvanic isolation

Procurement Notes

Verify the specific suffix TL against official Toshiba documentation to confirm pinout and gain rank configuration. Ensure compatibility with system voltage requirements and thermal management needs. Cross-reference datasheet revisions to guarantee performance consistency. Confirm RoHS compliance status for regulatory adherence. Validate packaging specifications prior to integration into production lines.

Selection Notes

Select this component when high accuracy and fast response are required in isolated measurement circuits. Consider the 230 kHz bandwidth for dynamic signal applications. Evaluate the 80 dB CMRR for noisy industrial environments. Check the SOIC-8 footprint against PCB layout constraints. Assess power consumption relative to system efficiency targets.

Part Context

This part belongs to the TLP7820 series of optically isolated amplifiers designed for precision signal conditioning. It integrates LED and photodetector elements with signal processing circuitry on a single chip. The series is engineered for robust performance in motor drive and power conversion applications where electrical isolation is critical for safety and signal integrity.

Replacement Considerations

Consult Toshiba's official obsolescence notices for direct substitutes. Verify functional equivalence regarding gain accuracy and isolation voltage before substitution. Review mechanical dimensions to ensure board compatibility. Confirm that alternative components meet the same safety certifications.