PS8551AL4-E3-AX

Instrumentation, Op Amps, Buffer Amps Overview

The PS8551AL4-E3-AX is an optically isolated amplifier manufactured by CEL, part of the PS8551AL4 series. It features a two-channel configuration with analog-to-digital converter output capabilities. The device provides high-voltage isolation rated at 5000 Vrms and supports a bandwidth of 100 kHz. Key electrical specifications include a common-mode rejection ratio of 76 dB, an input offset voltage of 2 mV, and a gain of 8 V/V. It operates within a supply voltage range of 4.5 V to 5.5 V and functions across a temperature range of -40°C to +105°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides galvanic isolation between input and output circuits using optical transmission technology.
• Integrates analog signal processing with digital conversion for precise data acquisition.
• Delivers high common-mode noise immunity through optimized internal circuit design.

Instrumentation, Op Amps, Buffer Amps Applications

• Industrial process control systems requiring isolated sensor interfaces
• Medical equipment needing patient isolation protection
• Power electronics monitoring in high-noise environments

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the manufacturer designation carefully, as this specific part number is associated with CEL in distributor records, while similar suffixes may indicate Renesas production. Confirm the RoHS compliance status directly with the supplier documentation before procurement. Ensure the ordering information matches the exact package type and temperature grade required for your application design.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high-speed isolation with integrated ADC functionality is required. The 100 kHz bandwidth suits applications demanding rapid signal sampling. Consider the DIP-8 Gull Wing package for surface mount assembly compatibility. Evaluate the 5000 Vrms isolation rating against system safety requirements to ensure adequate creepage and clearance distances are maintained in the final PCB layout.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the PS8551AL4 family of optically isolated amplifiers. The series offers various output types including DAC and ADC configurations. The PS8551AL4-E3-AX specifically utilizes the E3 suffix to denote lead-free construction compliant with environmental directives. It serves as a bridge between analog sensors and digital processing units in isolated domains.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct substitutes include other members of the PS8551AL4 series such as PS8551L4-AX or PS8551L4-V-E3-AX from Renesas, provided the output type (ADC vs DAC) matches the design requirement. Verify pinout compatibility and thermal characteristics when cross-referencing with alternative manufacturers' offerings.