LTC6652AHLS8-5

Overview

The Analog Devices LTC6652AHLS8-5#PBF is a precision buffered voltage reference providing a fixed 5V output. It utilizes high-order curvature compensation to achieve an initial accuracy of ±0.05% and a maximum temperature coefficient of 5ppm/°C. The device operates within a supply range up to 13.2V, with a minimum dropout of 300mV. It features low noise performance of 2.1ppm P-P (0.1Hz to 10Hz) and includes a shutdown mode consuming less than 2µA. Packaged in an 8-lead hermetic LS8 ceramic LCC, it supports sourcing and sinking currents of ±5mA across the –40°C to 125°C operating range.

Feature Summary

• High-order curvature compensation ensures predictable temperature characteristics and minimal drift over wide thermal ranges.
• Hermetic 5mm × 5mm LS8 package provides outstanding stability and immunity to humidity-induced stress shifts.
• Integrated buffer amplifier delivers robust source and sink current capabilities for demanding load conditions.
• Low power shutdown mode significantly reduces consumption when the reference is inactive.

Applications

• Automotive control and monitoring systems
• High resolution data acquisition systems
• Precision regulators and instrumentation

Procurement Notes

Verify the specific ordering suffix '#PBF' confirms lead-free finish and tray packaging. Confirm the 'LS8' designation indicates the hermetic ceramic package rather than the standard plastic MSOP variant. Ensure the 'A' grade suffix matches the required ±0.05% accuracy and 5ppm/°C drift specifications for your design constraints.

Selection Notes

Select this component when extreme long-term stability and humidity resistance are critical, as the hermetic LS8 package outperforms plastic alternatives in harsh environments. Choose the A-grade version for applications requiring the tightest initial accuracy and lowest temperature coefficient. Consider the shutdown pin functionality if power management during idle states is necessary.

Part Context

This part belongs to the LTC6652 family of precision references, which offers various output voltages and package options. While the MS8 plastic package is common, the LS8 variant specifically targets high-reliability applications requiring hermetic sealing. The family shares core architecture but differs in thermal hysteresis and long-term drift performance based on the physical package construction.

Replacement Considerations

Public confirmed substitute part numbers: None identified in official documentation.