LM224DTBG

Overview

The LM224DTBG is a low-power quad operational amplifier from the LM324 series, manufactured by onsemi. It features four independent high-gain amplifiers with internal frequency compensation in a TSSOP-14 package. The device operates from a single supply voltage ranging from 3.0 V to 32 V or split supplies of ±1.5 V to ±16 V. Key electrical characteristics include a maximum input bias current of 90 nA, an input offset voltage of up to 7 mV at 25°C, and a large signal open-loop voltage gain of 100 V/mV. The operating ambient temperature range is specified from -25°C to +85°C.

Feature Summary

• True differential input stage allows common mode voltage range to extend to the negative supply rail.
• Outputs are short-circuit protected for enhanced reliability under fault conditions.
• ESD clamps integrated on inputs increase device ruggedness without affecting operational performance.
• Low quiescent current drain remains independent of the magnitude of the power supply voltage.

Applications

• Transducer amplifiers
• DC amplification blocks
• Single-supply operational amplifier circuits

Procurement Notes

Verify that the ordering suffix DTBG corresponds specifically to the TSSOP-14 package configuration as defined in the official datasheet. Confirm the component meets RoHS compliance standards and is lead-free. Ensure the selected part number aligns with the required industrial temperature range specifications for your specific application environment.

Selection Notes

Select this component when a quad amplifier configuration is required for single-supply systems. The wide common-mode input range simplifies circuit design by eliminating external biasing components in many applications. Consider the thermal resistance and package dimensions during PCB layout to ensure adequate heat dissipation within the specified operating temperature limits.

Part Context

This device belongs to the LM324 series of single-supply quad operational amplifiers. The LM224 variant is distinguished by its extended industrial temperature rating compared to commercial versions. The DTBG suffix indicates a Tape and Reel packaging format using the TSSOP-14 case style, suitable for automated surface-mount assembly processes.

Replacement Considerations

LM224DG

FAQ

Does the input common mode voltage range include ground?

Yes, the common mode input voltage range includes the negative supply, which allows operation down to ground in single-supply configurations.

What is the maximum power supply voltage for this device?

The maximum single supply voltage is 32 V, and the maximum split supply voltage is ±16 V.