The LTC6990HS6 is a versatile Voltage Controlled Silicon Oscillator (VCSO) from Linear Technology, designed to offer precision timing solutions for a wide array of applications. This compact, high-performance component is part of the TimerBlox® family, which is renowned for its ease of use and minimal external component requirements.

With an operating temperature range of -40°C to 125°C, the LTC6990HS6 is suitable for demanding environments and can be used in both commercial and industrial settings. It comes in a small 6-lead TSOT-23 package, which is ideal for space-constrained applications.

The LTC6990HS6 can be configured as a frequency divider, fixed-frequency oscillator, or a programmable oscillator with a frequency range from 488Hz to 2MHz. The output frequency can be adjusted with an external resistive divider, a single resistor, or a voltage applied to the control voltage pin (V<sub>CTRL).

Key features of the LTC6990HS6 include:

• Supply voltage range of 2.25V to 5.5V, allowing for flexibility in various power supply scenarios.
• Low power consumption, making it suitable for battery-powered devices.
• Precision frequency adjustment with a 10ppm/°C temperature coefficient, ensuring stable frequency over a wide temperature range.
• Frequency modulation capability via the V<sub>CTRL pin, which can be used for a variety of modulation schemes.
• Minimal phase noise and jitter, which is critical for applications requiring high signal integrity.

Applications for the LTC6990HS6 are diverse and include wireless communications, medical devices, instrumentation, and portable electronics. Its ability to produce a clean, stable clock signal with minimal external components makes it a go-to solution for designers looking to simplify their timing circuits while maintaining high performance.

Overall, the LTC6990HS6 from Linear Technology represents a reliable and flexible component for precision timing solutions, combining ease of use with high performance in a tiny package.