LTC6930IMS8-4.19#PBF

Programmable Timers And Oscillators Overview

The LTC6930IMS8-4.19#PBF is a precision silicon oscillator from Analog Devices, housed in an 8-lead MSOP package with an industrial temperature range of –40°C to 85°C. It features a factory-set master frequency of 4.194304MHz and provides eight selectable output frequencies ranging from 32.768kHz to 4.194304MHz via internal dividers (÷1 to ÷128). The device operates on a single 1.7V to 5.5V supply, drawing typical currents between 105µA at 32kHz and 490µA at 4.19MHz. Key specifications include a maximum frequency error of 0.09% at 25°C, start-up time under 110µs, and RMS period jitter below 0.15%.

Programmable Timers And Oscillators Feature Summary

• Precision silicon oscillator with frequency error less than 0.09% max at 25°C.
• Single 1.7V to 5.5V supply operation suitable for battery-powered devices.
• Fast start-up time of less than 110µs with glitch-free output during power-on.
• Eight programmable frequencies derived from a 4.194304MHz master clock using DIV pins.

Programmable Timers And Oscillators Applications

• Microprocessor clock generation.
• Power supply clocking for digital circuits.
• Portable and battery-operated electronic devices.

Programmable Timers And Oscillators Procurement Notes

Verify the specific suffix #PBF indicates lead-free finish and RoHS compliance as per manufacturer standards. Confirm the IMS8 designation corresponds to the 8-lead MSOP package and the I grade ensures operation within the –40°C to 85°C industrial temperature range. Cross-reference the part number against official Analog Devices documentation to ensure compatibility with required frequency settings and load conditions.

Programmable Timers And Oscillators Selection Notes

Select this component when a low-power, high-accuracy clock source is needed without external tuning components. The fixed 4.194304MHz master frequency allows division down to 32.768kHz, making it suitable for timing applications requiring standard baud rates or real-time clock references. Ensure the output load capacitance does not exceed 50pF to maintain specified current consumption and signal integrity.

Programmable Timers And Oscillators Part Context

This part belongs to the LTC6930 family of µPower oscillators, which includes variants with different master frequencies such as 5.00MHz, 7.37MHz, 8.00MHz, and 8.19MHz. All members share identical pinouts and control architectures but offer different base frequencies to suit various communication and timing standards. The IMS8 variant specifically denotes the plastic MSOP package option within this series.

Programmable Timers And Oscillators Replacement Considerations

Direct replacements within the same family include other LTC6930-X.XX variants if the specific master frequency differs but the divide ratios remain sufficient for the application. For example, LTC6930IMS8-7.37#PBF offers a 7.3728MHz master clock. Verify that the alternative part's frequency table covers the required output frequencies before substitution.