HCPL-7520-300

Instrumentation, Op Amps, Buffer Amps Overview

The HCPL-7520-300 is a single-channel optically isolated amplifier manufactured by Broadcom Limited. It integrates an analog-to-digital converter output and operates within a supply voltage range of 4.5 V to 5.5 V. The device provides 3750 Vrms insulation voltage and features a bandwidth of 100 kHz with a common-mode rejection ratio of 63 dB. Input offset voltage is specified at -600 uV, and the unit consumes 16 mA of operating current. It is housed in an 8-pin DIP Gull Wing package suitable for surface mount installation, functioning across temperatures from -40°C to +85°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides galvanic isolation via optical transmission between input and output circuits.
• Converts analog input signals directly into digital outputs using integrated ADC technology.
• Maintains signal integrity through high common-mode rejection capabilities.

Instrumentation, Op Amps, Buffer Amps Applications

• Industrial process control systems requiring isolated signal conditioning
• Power electronics monitoring and feedback loops
• Medical equipment needing patient isolation safety

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify component authenticity against official Broadcom datasheets before integration. Confirm that the specific suffix matches required electrical tolerances. Ensure packaging format aligns with automated assembly requirements. Check for recent product change notices affecting specifications or compliance status. Validate supplier authorization to prevent counterfeit risks.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Choose this component when digital output compatibility is required alongside high-voltage isolation. Compare bandwidth and CMRR against system noise requirements. Verify power supply constraints fit the 4.5 V to 5.5 V operational window. Assess thermal management needs for the specified temperature range. Evaluate pinout compatibility with existing PCB layouts.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the HCPL-7520 series of optically isolated amplifiers. It represents a specialized solution combining amplification and digitization in a single package. The series targets applications demanding robust isolation without external digital conversion stages. It complements standard optocouplers by providing direct digital interfacing capabilities.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Consult official substitution guides for equivalent isolation amplifiers. Verify pin compatibility and electrical parameter overlaps before swapping. Ensure replacement parts meet identical insulation voltage standards. Check for functional equivalence in digital output formats.