L2726

Overview

The L2726 is a monolithic low-drop dual power operational amplifier housed in an SO-20 package. It delivers up to 1 A DC output current and operates on single or split supplies ranging from 4 V to 28 V. Key electrical characteristics include a 1.2 MHz gain-bandwidth product, 2 V/μs slew rate, and 150 °C thermal shutdown protection. The device features ground-compatible inputs, large common-mode range, and low saturation voltage for efficient inductive load driving.

Feature Summary

• Dual power operational amplifier architecture with high output current capability
• Ground-compatible inputs allowing operation at low supply voltages
• Integrated thermal shutdown and clamp diode for enhanced reliability
• Low saturation voltage suitable for driving inductive loads

Applications

• Servo amplifiers
• Power supplies
• Motor control circuits
• Compact-disc drives
• VCR mechanisms

Procurement Notes

Verify the specific revision status of the datasheet, as the document indicates advanced information subject to change without notice. Confirm that the SO-20 package dimensions align with your PCB footprint requirements. Ensure operating conditions remain within the absolute maximum ratings, particularly regarding peak supply voltage limits and thermal dissipation constraints under ambient temperature variations.

Selection Notes

Select this component when designing systems requiring high output current drive capabilities combined with precision operational amplifier performance. The dual configuration allows for cost-effective implementation of bridge-tied load or differential drive topologies. Consider the thermal resistance values when determining heatsinking needs, especially if operating near the maximum junction temperature limits in enclosed environments.

Part Context

Released in October 1998, the L2726 represents STMicroelectronics' approach to integrating power handling with analog signal processing in a single monolithic IC. It bridges the gap between standard op-amps and discrete power booster combinations, offering superior performance in compact designs. The SO-20 package provides sufficient pin count for dual-channel functionality while maintaining a manageable form factor for industrial and consumer electronics applications.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.

FAQ

What is the maximum DC output current capability?

The L2726 supports a DC output current of 1 A.

Does the device include protection against overheating?

Yes, it features thermal shutdown activation at a junction temperature of 150 °C.

Can the inputs operate at ground potential?

Yes, the L2726 features ground-compatible inputs, allowing operation even when the input voltage is at ground level.