LTC6908IS6-2#TRPBF

Programmable Timers And Oscillators Overview

The LTC6908IS6-2#TRPBF is a precision silicon oscillator from Analog Devices, housed in a 6-lead TSOT-23 package. It provides two CMOS outputs with a 90-degree phase shift (quadrature). The frequency is set by a single external resistor (RSET) and ranges from 50kHz to 10MHz. Key electrical parameters include a supply voltage range of 2.7V to 5.5V, typical supply current of 400µA at 50kHz, and frequency accuracy within ±1.5% at 25°C. It features optional spread spectrum frequency modulation (SSFM) for improved EMC performance.

Programmable Timers And Oscillators Feature Summary

• Quadrature Outputs: Provides two CMOS square wave outputs shifted by 90 degrees.
• Spread Spectrum Modulation: SSFM capability reduces peak electromagnetic radiation with fixed ±10% spreading.
• Resistor Programming: Frequency is determined by a single external resistor using the formula fOUT = 10MHz • 10k/RSET.
• Low Power Consumption: Typical supply current is 400µA at 5V and 50kHz output.

Programmable Timers And Oscillators Applications

• Switching power supply clock references
• Portable and battery-powered equipment
• Precision programmable oscillator circuits
• Charge pump drivers

Programmable Timers And Oscillators Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging. Confirm the IS6 grade corresponds to the -40°C to 85°C operating temperature range. Ensure the component matches the quadrature output configuration required for the design.

Programmable Timers And Oscillators Selection Notes

Select this model over the LTC6908IS6-1 if a 90-degree phase shift between outputs is required. Verify that the RSET resistor value falls within the 20kΩ to 400kΩ range for optimal accuracy. Consider the HS6 grade if operation above 85°C is necessary.

Programmable Timers And Oscillators Part Context

This part belongs to the LTC6908 family of resistor-set oscillators. The 'IS6' designation identifies it as an industrial temperature grade (-40°C to 85°C) device in a TSOT-23 package. The '-2' suffix specifies the quadrature output variant, distinct from the complementary output '-1' variant.

Programmable Timers And Oscillators Replacement Considerations

LTC6908CS6-2#TRPBF offers the same functionality but with a commercial temperature range (0°C to 70°C). LTC6908HS6-2#TRPBF provides extended high-temperature operation up to 125°C. Both are direct pin-compatible alternatives depending on thermal requirements.