LT1815CS5#TRMPBF

Instrumentation, Op Amps, Buffer Amps Overview

The LT1815CS5#TRMPBF is a single-channel, high-speed operational amplifier manufactured by Analog Devices Inc. It features a gain-bandwidth product of 220 MHz and a slew rate of 1500 V/µs. The device operates on supply voltages ranging from 4 V to 12.6 V with a typical supply current of 6.5 mA per amplifier. It utilizes a voltage feedback topology with current feedback slewing characteristics. Key electrical parameters include an input offset voltage of up to 3.0 mV, input bias current of ±12 µA, and input noise voltage density of 6 nV/√Hz. The component is housed in a 5-lead plastic TSOT-23 package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Features a programmable current option allowing operation between low power mode and full speed mode via the ISET pin.
• Combines voltage feedback stability with current feedback slewing characteristics for high dynamic performance.
• Capable of driving a 100Ω load to ±3.8V with ±5V supplies while maintaining low harmonic distortion.
• Includes complementary NPN and PNP input transistors providing first-order bias current cancellation.

Instrumentation, Op Amps, Buffer Amps Applications

• Wideband amplifiers
• Video and RF amplification
• Communication receivers
• Cable drivers

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix CS5 corresponds to the commercial temperature range (0°C to 70°C) and the TSOT-23-5 package configuration. Confirm that the TRMPBF designation indicates tape and reel packaging with lead-free finish. Ensure the application circuit accounts for the thermal resistance characteristics of the SOT-23 package under maximum load conditions.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a single-channel amplifier requires high slew rates and wide bandwidth within a compact surface-mount footprint. Consider the programmable current feature if power management flexibility is required. Verify that the input common-mode range and output swing requirements align with the specified supply voltages and load conditions.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LT1815/LT1816/LT1817 family of low-power, high-speed operational amplifiers. The LT1815 variant provides a single channel, whereas other family members offer dual or quad configurations. The CS5 suffix specifically denotes the commercial temperature grade and the 5-lead TSOT-23 package format.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LT1815IS5#TRMPBF

Instrumentation, Op Amps, Buffer Amps FAQ

How is the supply current programmed?

The supply current is adjusted by connecting an external resistor between the ISET pin and the negative supply. A resistance of 75Ω or less enables full speed mode, while values up to 40kΩ reduce the current for low power operation.

What is the recommended approach for handling capacitive loads?

When driving capacitive loads larger than 10pF, a series resistor of 10Ω to 50Ω should be placed between the output and the load to prevent ringing or oscillation, with feedback taken from the amplifier output.