LTC6655LNBHMS8-5#PBF

Overview

The Analog Devices LTC6655LNBHMS8-5#PBF is a precision bandgap voltage reference providing a fixed 5V output with ±0.025% initial accuracy and a maximum temperature coefficient of 2ppm/°C. It operates within a supply range of VOUT + 0.5V to 13.2V, drawing 7.5mA typical supply current. The device features low noise performance of 0.21ppm RMS (10Hz to 1kHz) with a 100µF capacitor on the noise reduction pin. It supports ±5mA source/sink currents, includes a shutdown mode under 20µA, and is housed in an 8-lead MSOP package.

Feature Summary

• Advanced curvature compensation ensures predictable temperature characteristics and high accuracy without calibration.
• Integrated noise reduction pin allows wideband noise suppression using a single external capacitor.
• Capable of sourcing and sinking up to ±5mA load current for flexible circuit integration.
• Includes a low-power shutdown mode to minimize energy consumption when inactive.

Applications

• Instrumentation and test equipment
• High resolution data acquisition systems
• Precision battery monitors

Procurement Notes

Verify the specific suffix #PBF indicates tube packaging rather than tape and reel. Confirm the LNB designation corresponds to the low noise variant with the dedicated noise reduction pin. Ensure the MSOP-8 package matches the target PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component when ultra-low drift and high accuracy are critical for maintaining measurement integrity over wide temperature ranges. The low noise specification makes it suitable for sensitive analog front ends. Consider the shutdown feature if power management during idle states is required by the system design.

Part Context

This part belongs to the LTC6655 family of precision references from Analog Devices. The family offers various output voltages and packages, including hermetic LS8 options. The LNB variant specifically targets applications requiring minimized broadband noise through the dedicated noise reduction pin configuration.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.

FAQ

How does the noise reduction pin function?

Connecting a capacitor between the NR pin and ground band-limits the wideband noise of the reference.

What is the minimum dropout voltage?

The device requires a minimum input voltage of VOUT + 0.5V above the output voltage.