CA5420AMZ

Overview

The CA5420AMZ is a single-channel general-purpose operational amplifier manufactured by Renesas Electronics Corporation using BiCMOS technology. It features a gain-bandwidth product of 500 kHz and a slew rate of 500 mV/us. The device operates with a supply voltage range from 1 V to 20 V, drawing a typical operating current of 550 uA. Key electrical specifications include an input offset voltage of 5 mV, input bias current of 0.001 nA, and input voltage noise density of 62 nV/sqrt Hz. It provides a power supply rejection ratio of 75 dB and supports rail-to-rail output swing. The component is housed in an 8-SOIC package and functions within a temperature range of -55°C to +125°C.

Feature Summary

• BiCMOS construction for low bias current and high performance
• Rail-to-rail output capability for maximum dynamic range
• Wide single or dual supply voltage operation
• General-purpose design suitable for various analog applications

Applications

• Signal conditioning circuits
• Active filters
• Sensor interfaces
• Instrumentation amplifiers

Procurement Notes

Verify the specific manufacturing date code and lot traceability upon order confirmation. Confirm compliance with RoHS3 directives and REACH regulations as stated in the official datasheet. Check for any recent Product Change Notifications (PCN) regarding label updates or manufacturing site changes. Ensure proper handling procedures are followed due to Moisture Sensitivity Level 3 classification. Validate that the 8-SOIC package dimensions match the target PCB footprint requirements.

Selection Notes

Select this component when low input bias current and rail-to-rail output are required in a general-purpose application. The BiCMOS process offers a balance between speed and power consumption. Consider the 500 kHz bandwidth limit for high-frequency signal processing tasks. Evaluate the 5 mV input offset voltage against system accuracy requirements. The wide operating temperature range makes it suitable for industrial environments.

Part Context

The CA5420AMZ belongs to the CA5420A series of operational amplifiers. It is part of Renesas' portfolio of linear integrated circuits designed for cost-effective analog signal processing. The device utilizes BiCMOS technology to achieve low power consumption while maintaining adequate performance metrics. It is distinct from CMOS-only op-amps by offering lower input bias currents.

Replacement Considerations

Consult official Renesas documentation for qualified pin-compatible alternatives. Verify electrical parameter compatibility before substituting with other single-channel op-amps. Ensure replacement components meet the same BiCMOS technology characteristics if low bias current is critical.