LTC6990MPS6#TRMPBF

Programmable Timers And Oscillators Overview

The LTC6990MPS6#TRMPBF is a precision silicon oscillator from the TimerBlox family, manufactured by Analog Devices Inc. It operates within a programmable frequency range of 488Hz to 2MHz and supports both fixed-frequency and voltage-controlled oscillator (VCO) modes. The device features a CMOS logic output capable of sourcing or sinking 20mA with a 50% duty cycle square wave. Key electrical parameters include a supply voltage range of 2.25V to 5.5V, a typical supply current of 145µA at 2.25V, and a frequency accuracy of ±0.8% in the recommended RSET range. It includes an enable function synchronized with the master oscillator for glitch-free operation.

Programmable Timers And Oscillators Feature Summary

• Programmable frequency range from 488Hz to 2MHz using a single resistor or VCO configuration
• CMOS output driver sources/sinks 20mA with selectable low or high-impedance disabled states
• Internal master oscillator divided by NDIV settings from 1 to 128 via DIV pin voltage
• AEC-Q100 qualified for automotive applications with extended temperature range of –55°C to 125°C

Programmable Timers And Oscillators Applications

• Voltage-Controlled Oscillator (VCO) circuits
• Replacement for fixed crystal and ceramic oscillators
• Portable and battery-powered equipment requiring low power consumption
• High vibration and high acceleration environments

Programmable Timers And Oscillators Procurement Notes

Verify the specific suffix #TRMPBF indicates a Tape and Reel (Mini) packaging format containing 500 units. Confirm the MPS6 designation corresponds to the –55°C to 125°C operating temperature range and the SOT-23 package type. Ensure compatibility with automotive quality requirements if applicable, as this model is AEC-Q100 qualified.

Programmable Timers And Oscillators Selection Notes

Select the LTC6990MPS6#TRMPBF when an operating temperature range extending to –55°C is required, distinguishing it from C, I, or H grade variants. Choose this component for designs needing a precision silicon oscillator with low supply current and flexible frequency programming via external resistors. Consider the SOT-23 package constraints for PCB layout and thermal management.

Programmable Timers And Oscillators Part Context

This part belongs to the LTC6990 TimerBlox family of versatile silicon timing devices. The MPS6 suffix specifically denotes the military/extended industrial temperature grade (–55°C to 125°C) housed in a 6-lead Plastic TSOT-23 package. It shares core functionality with other grades but offers wider thermal tolerance suitable for demanding environmental conditions.

Programmable Timers And Oscillators Replacement Considerations

Direct replacements include other temperature grades of the same family such as LTC6990HS6#TRMPBF (–40°C to 125°C) or LTC6990IS6#TRMPBF (–40°C to 85°C), provided the lower temperature limits are acceptable for the application. Package and pinout remain identical across these variants.