LT6108IDCB-2#TRMPBF

Overview

The LT6108IDCB-2#TRMPBF is a high-side current sense amplifier with an integrated comparator and reference, manufactured by Analog Devices Inc. It operates within a supply voltage range of 2.7V to 60V and consumes 450µA of supply current. The device features a maximum input offset voltage of 125µV and a gain error of 0.2%. The comparator has a total threshold error of ±1.25% and utilizes a non-latching output configuration. It is specified for operation from –40°C to 85°C and is housed in an 8-lead DFN package.

Feature Summary

• Integrates a precision current sense amplifier with a non-latching open-drain comparator and a 400mV internal reference.
• Provides fast response capabilities with a typical propagation delay of 1.4µs and a signal bandwidth of 1MHz.
• Features directly accessible amplifier and comparator inputs/outputs configured via external resistors.

Applications

• Overcurrent and fault detection
• Current shunt measurement
• Motor control
• Industrial control

Procurement Notes

Verify the specific suffix TRMPBF indicates tape and reel packaging containing 500 pieces. Confirm the IDCB designation corresponds to the 8-lead plastic DFN package. Ensure the temperature grade matches industrial requirements as this variant is rated for –40°C to 85°C. Cross-reference the manufacturer part number with official Analog Devices documentation to validate authenticity.

Selection Notes

Select the LT6108IDCB-2#TRMPBF when a non-latching comparator output is required for immediate overcurrent flagging without manual reset. This model is suitable for applications needing direct access to both amplifier and comparator signals. Verify that the 8-lead DFN package fits the available PCB footprint and thermal constraints.

Part Context

This component belongs to the LT6108 family of high-side current sense amplifiers. The LT6108-2 variant specifically provides a non-latching comparator, distinguishing it from the latching LT6108-1 version. Both versions share identical amplifier characteristics and are designed for precise current monitoring in power management systems.

Replacement Considerations

LT6108IDCB-1#TRMPBF

FAQ

What is the difference between the LT6108-1 and LT6108-2 variants?

The LT6108-1 features a latching comparator that requires a reset pulse on the EN/RST pin, while the LT6108-2 has a non-latching comparator controlled by an enable pin.

How is the comparator threshold determined?

The comparator threshold is set using the internal 400mV precision reference and can be adjusted via external resistors connected to the INC pin.