KA324DTF

Overview

The KA324DTF is a quad operational amplifier manufactured by Rochester Electronics, distributed under the Fairchild Semiconductor brand. It features four independent amplifiers in a 14-pin PDSO (SOP-14) package. Key electrical parameters include a maximum input offset voltage of 9000 µV and a maximum average bias current of 0.5 µA. The device offers a nominal common-mode rejection ratio of 75 dB. It operates within a temperature range of up to 70 °C and is lead-free and RoHS compliant.

Feature Summary

• Contains four independent high-performance operational amplifiers
• Provides hardware write protection capabilities for memory arrays in associated systems
• Designed with low standby current characteristics suitable for power-sensitive applications

Applications

• General-purpose analog signal processing circuits
• Low-power electronic systems requiring minimal standby current
• Applications utilizing IIC bus interfaces for serial communication

Procurement Notes

Verify the manufacturer designation as Rochester Electronics on the component marking or datasheet, as they distribute this part. Confirm the package type is SOP-14 and that the device meets RoHS compliance standards. Ensure the operating temperature range aligns with your system requirements, specifically noting the upper limit of 70 °C. Cross-reference the pinout and electrical specifications with official documentation before integration.

Selection Notes

Select this component when a quad op-amp configuration is required in a surface-mount SOP-14 package. Consider its 9000 µV maximum offset voltage and 75 dB CMRR for precision applications. Evaluate the 0.5 µA bias current for low-power designs. Verify compatibility with the intended supply voltages and ensure the 70 °C operating temperature range fits the environmental conditions of the target application.

Part Context

This component belongs to the family of analog mixed-signal integrated circuits, specifically operational amplifiers. It is categorized under amplifier circuits and is often associated with serial EEPROM interfaces in broader system designs. The part is identified by the JESD-30 code R-PDSO-G14 and utilizes plastic/epoxy packaging material. It is distinct from other series due to its specific quad amplifier topology and package dimensions.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.