LT6656ACDC-1.25#TRMPBF

Voltage Reference Overview

The LT6656ACDC-1.25#TRMPBF is a precision series voltage reference from Analog Devices, featuring an output voltage of 1.25V and housed in a 6-lead (2mm × 2mm) plastic DFN package. It operates within the commercial temperature range of 0°C to 70°C with a specified functional range extending from -55°C to 125°C. The device draws less than 1µA of supply current and maintains an initial accuracy of 0.1% with a maximum temperature coefficient of 10ppm/°C. It supports a wide input voltage up to 18V and provides a minimum output drive current of 5mA.

Voltage Reference Feature Summary

• Ultralow power consumption with supply current below 1µA
• Capable of operating with a dropout voltage as low as 10mV
• Includes reverse input and output protection for robust operation
• Stable with output capacitance of 1µF or larger

Voltage Reference Applications

• Precision A/D and D/A converters
• Portable gas monitors
• Battery- or solar-powered systems
• Micropower remote sensing

Voltage Reference Procurement Notes

Verify the specific suffix #TRMPBF indicates tape and reel packaging when sourcing this component. Confirm that the AC grade designation corresponds to the required 0°C to 70°C commercial temperature range for your application environment. Ensure the 6-lead DFN footprint matches your PCB layout constraints before finalizing procurement.

Voltage Reference Selection Notes

Select this part for applications requiring minimal quiescent current and high precision in a compact surface-mount form factor. The AC grade offers a balance of cost and performance for commercial environments. Consider the DC package's thermal characteristics if heat dissipation is a concern, and verify that the 1.25V output aligns with your system's reference requirements.

Voltage Reference Part Context

This component belongs to the LT6656 family of micro-power precision voltage references. The family includes variants in TSOT-23, DFN, and LS8 packages with different voltage options and temperature grades. The LT6656 series is designed to replace traditional shunt references, offering superior battery life due to its series architecture and low standby current.

Voltage Reference Replacement Considerations

LT6656BCDC-1.25#TRMPBF

Voltage Reference FAQ

What is the minimum output capacitance required for stable operation?

The LT6656 requires a minimum output capacitance of 1µF for stability.

Does the LT6656 support reverse polarity connections?

Yes, the device features reverse input and output protection.