LTC6908CDCB-1#TRPBF

Programmable Timers And Oscillators Overview

The LTC6908CDCB-1#TRPBF is a silicon oscillator from Analog Devices, packaged in a 6-lead DFN (2mm × 3mm) format. It provides two complementary outputs with a 180-degree phase shift. The frequency is set by a single external resistor (RSET), covering a range of 50kHz to 10MHz at a 5V supply. It operates on a single 2.7V to 5.5V supply with a typical current of 400µA at 50kHz. Key features include optional spread spectrum frequency modulation (SSFM) for EMC improvement and a fast startup time of 260µs typical at 1MHz. The specified temperature range is 0°C to 70°C.

Programmable Timers And Oscillators Feature Summary

• Dual complementary outputs (0°/180° phase shift)
• Frequency programmable via single external resistor (50kHz to 10MHz)
• Optional SSFM with ±10% spreading for improved EMC
• Low power consumption: 400µA typical at 5V

Programmable Timers And Oscillators Applications

• Switching power supply clock reference
• Precision programmable oscillator circuits
• Charge pump driver applications

Programmable Timers And Oscillators Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging. Confirm the CDCB designation corresponds to the commercial temperature grade (0°C to 70°C). Ensure the DCB package footprint matches the PCB layout requirements for the 2mm x 3mm DFN form factor.

Programmable Timers And Oscillators Selection Notes

Select this part when complementary outputs are required for driving dual switching regulators or charge pumps. Choose between LTC6908-1 (complementary) and LTC6908-2 (quadrature) based on phase needs. Ensure RSET values fall within 20kΩ to 400kΩ for optimal accuracy. Verify supply voltage constraints against the 2.7V to 5.5V operating range.

Programmable Timers And Oscillators Part Context

This component belongs to the LTC6908 family of resistor-set silicon oscillators. The -1 suffix denotes the version with complementary outputs, distinct from the -2 variant which offers quadrature outputs. It shares core architecture with other members like the IDCB and CS6 variants but differs in temperature rating and package type.

Programmable Timers And Oscillators Replacement Considerations

Direct functional substitutes within the same family include the LTC6908IDCB-1#TRPBF, which offers an extended industrial temperature range (-40°C to 85°C) while maintaining the same pinout and specifications. Automotive qualified versions are available with the #W suffix.