TPA6581U-S5TR

Instrumentation, Op Amps, Buffer Amps Overview

The TPA6581U-S5TR is a single-channel CMOS operational amplifier from the TPA658x series, manufactured by 3PEAK. It features rail-to-rail input and output capabilities with a supply voltage range of 2.7 V to 5.5 V. Key electrical specifications include a unit-gain bandwidth of 10 MHz, a slew rate of 8 V/µs, and a quiescent current of 1.2 mA per channel. The device offers low offset voltage (±1.5 mV max) and low 1/f noise (10 nV/√Hz at 1 kHz). It operates within a temperature range of −40°C to 125°C and is housed in an SOT-23-5 package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Rail-to-rail input and output capability with extended common-mode voltage range
• Low power consumption with 1.2 mA quiescent current per channel
• High-speed performance featuring 10 MHz gain-bandwidth product and 8 V/µs slew rate
• Isolation during power-off due to absence of ESD diodes between input pins and positive supply

Instrumentation, Op Amps, Buffer Amps Applications

• Instrumentation systems
• Audio signal processing
• Motor control circuits
• Industrial control applications

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix U indicates the SOT-23-5 package variant when ordering. Confirm that the component meets RoHS3 compliance requirements for your assembly process. Ensure design compatibility with the recommended operating conditions, specifically the 2.7 V to 5.5 V supply voltage range and the −40°C to 125°C ambient temperature limits. Check datasheet thermal resistance values for proper PCB layout planning.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for general-purpose applications requiring high AC performance with low power dissipation. The 10 MHz bandwidth and 8 V/µs slew rate support stable high-frequency response. Consider the rail-to-rail I/O feature for single-supply designs needing maximum dynamic range. The low offset voltage and low noise characteristics make it suitable for precision signal conditioning tasks where minimal distortion is required.

Instrumentation, Op Amps, Buffer Amps Part Context

The TPA6581U-S5TR belongs to the TPA658x family, which includes single, dual, and quad amplifier variants. This series utilizes proprietary CMOS design techniques to achieve high-performance AC parameters while maintaining low power consumption. The TPA6581 is the single-channel version, providing one independent operational amplifier in a compact surface-mount package suitable for space-constrained electronic designs.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct substitutes within the same family include TPA6581-S5TR and TPA6581-SC5R, which share identical electrical characteristics but differ in package type or reel configuration. Verify pinout compatibility and thermal performance when replacing with other packages such as DFN0.8×0.8-4.