LTC6991MPS6#TRPBF

Programmable Timers And Oscillators Overview

The LTC6991MPS6#TRPBF is a silicon oscillator from the TimerBlox family, designed for long duration timing events. It features a programmable period range of 1.024ms to 9.54 hours (29.1µHz to 977Hz). The output clock period is determined by an internal master oscillator and a programmable frequency divider (NDIV) with eight settings from 1 to 2^21. Frequency is set via a single resistor (RSET), achieving less than 1.5% maximum frequency error. The device includes an output reset function, operates on a single supply voltage from 2.25V to 5.5V, and draws 55µA to 80µA depending on the clock period. It has a typical start-up time of 500µs.

Programmable Timers And Oscillators Feature Summary

• Programmable Period Range: 1.024ms to 9.54 Hours
• Low Power Consumption: 55µA to 80µA Supply Current
• High Accuracy: <1.5% Maximum Frequency Error
• AEC-Q100 Qualified for Automotive Applications

Programmable Timers And Oscillators Applications

• Heartbeat Timers
• Watchdog Timers
• Intervalometers
• Periodic Wake-Up Call
• Portable and Battery-Powered Equipment

Programmable Timers And Oscillators Procurement Notes

Verify the specific suffix MPS6 corresponds to the SOT-23 package and MP temperature grade (-55°C to 125°C) as listed in the Order Information table. Confirm the #TRPBF suffix indicates Tape and Reel packaging. Check current availability status directly with Analog Devices or authorized distributors, as stock levels fluctuate.

Programmable Timers And Oscillators Selection Notes

Select this component when low-frequency oscillation up to several hours is required with minimal power consumption. Ensure the operating environment falls within the -55°C to 125°C range specified for the MP grade. Use the TimerBlox Designer tool to calculate precise RSET and DIV resistor values for the desired frequency and polarity settings.

Programmable Timers And Oscillators Part Context

The LTC6991 is part of the TimerBlox family of versatile silicon timing devices. The MPS6 suffix denotes the 6-lead Plastic TSOT-23 package. The MP temperature grade specifies operation from -55°C to 125°C. This variant is specifically qualified for automotive applications under AEC-Q100 standards.

Programmable Timers And Oscillators Replacement Considerations

Direct replacements include other LTC6991 variants with different temperature grades or packages, such as LTC6991HS6#TRPBF (SOT-23, -40°C to 125°C) or LTC6991IDCB#TRPBF (DFN, -40°C to 85°C). Verify package dimensions and thermal characteristics before substitution.