LT1468AIDD-2#TRPBF

Instrumentation, Op Amps, Buffer Amps Overview

The LT1468AIDD-2#TRPBF is a precision high-speed operational amplifier from the LT1468-2 series, manufactured by Analog Devices Inc. It features a 200MHz gain bandwidth product and a 30V/µs slew rate, optimized for applications requiring 16-bit accuracy with gains of 2 or greater. The device operates on supply voltages ranging from ±5V to ±15V within an extended temperature range of –40°C to 85°C. Key electrical specifications include a maximum input offset voltage of 75µV, a minimum DC gain of 1000V/mV, and low noise characteristics with 5nV/√Hz voltage noise density.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Decompensated design ensuring stability in non-inverting configurations with a closed-loop gain of 2 or greater.
• Tailored input bias current characteristics where the inverting input is trimmed to minimize errors in inverting applications.
• High open-loop gain at frequency to reduce distortion and maintain full 16-bit AC and DC performance.
• Low total input noise optimized for source resistances between 1kΩ and 20kΩ.

Instrumentation, Op Amps, Buffer Amps Applications

• 16-Bit DAC Current-to-Voltage Converter
• Precision Instrumentation
• ADC Buffer
• Low Distortion Active Filters
• Photodiode Amplifiers

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify that the specific ordering suffix #TRPBF corresponds to the tape and reel packaging format required for automated assembly processes. Confirm the 'A' grade designation matches the tighter DC accuracy specifications compared to standard grades. Ensure the DFN package variant aligns with the thermal management and footprint constraints of the target PCB layout.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when circuit requirements demand stability at gains of 2 or higher while maintaining high-speed AC performance. It is suitable for designs needing precise DC accuracy with minimal input offset voltage drift. Consider the decompensated nature if unity-gain stability is not required, as it offers superior bandwidth compared to its unity-gain stable counterpart.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LT1468-2 family, which consists of decompensated precision op amps designed for high-speed, high-accuracy applications. It shares core DC performance metrics with the LT1468 but utilizes reduced internal compensation capacitors to achieve higher bandwidth and slew rates at gains ≥2. The 'A' grade indicates enhanced initial accuracy and lower drift specifications.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LT1468ACDD-2#TRPBF (Same grade, Tape & Reel)

Instrumentation, Op Amps, Buffer Amps FAQ

Is the LT1468AIDD-2#TRPBF stable at unity gain?

No, the LT1468-2 is a decompensated amplifier specified to be stable only at a gain of 2 or greater. For unity-gain stability, the LT1468 should be used.

How does the input bias current trimming benefit inverting applications?

The inverting input bias current is trimmed at zero common mode voltage to minimize errors, making it particularly effective for inverting configurations like current-to-voltage converters.