LT2179CS#TRPBF

Instrumentation, Op Amps, Buffer Amps Overview

The LT2179CS#TRPBF is a micropower quad operational amplifier in a 14-lead plastic SO package, optimized for single-supply operation at 5V. It features a maximum supply current of 17µA per amplifier and an input offset voltage of 70µV max. The device offers a gain bandwidth product of 85kHz and a slew rate of 0.04V/µs. Input bias current is 5nA max, with low noise characteristics including 0.9µV p-p voltage noise from 0.1Hz to 10Hz. It operates within a temperature range of 0°C to 70°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Micropower consumption with 17µA max supply current per amplifier
• Precision specifications including 70µV max offset voltage and 5nA max input bias current
• Single-supply operation with input range including ground and output swinging to ground while sinking current
• Low noise performance with 0.9µV p-p voltage noise in the 0.1Hz to 10Hz band

Instrumentation, Op Amps, Buffer Amps Applications

• Battery- or solar-powered systems
• Portable instrumentation
• Remote sensor amplifiers
• Satellite circuitry
• Micropower sample-and-hold circuits

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix #TRPBF confirms tape and reel packaging rather than tube. Confirm the CS grade corresponds to the commercial temperature range of 0°C to 70°C. Ensure the manufacturer designation matches Analog Devices Inc. or its predecessor Linear Technology Corporation as specified in the datasheet documentation.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when four precision amplifiers are required in a single surface-mount package with minimal power consumption. It is suitable for applications where input signals approach ground potential and low noise is critical. Consider the LT2178 if only two channels are needed, or the LT2079 if higher bandwidth and drive capability are acceptable with increased current usage.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LT2178/LT2179 family of micropower precision operational amplifiers. The LT2179 provides four amplifiers in a 14-pin SO package, whereas the LT2178 provides two in an 8-pin SO package. Both are designed for single-supply operation and offer similar electrical characteristics optimized for low-power precision applications.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LT2179CS#PBF (Tube version)

Instrumentation, Op Amps, Buffer Amps FAQ

Does the output stage require pull-down resistors?

No, the all-NPN output stage swings to within a few millivolts of ground while sinking current, eliminating the need for power-consuming pull-down resistors.

What is the minimum supply voltage?

The minimum supply voltage is 2V for C-grade parts, allowing operation from a single lithium cell or two NiCd batteries.