LTC6905CS5-96#TRMPBF: A 96MHz Resistor-Programmable SOT-23 Oscillator

Release date:2025-08-27 Number of clicks:163

**LTC6905CS5-96#TRMPBF: A 96MHz Resistor-Programmable SOT-23 Oscillator**

In the realm of modern electronics, the demand for compact, precise, and easily configurable clock sources is ever-increasing. The **LTC6905CS5-96#TRMPBF** from Analog Devices stands out as a premier solution, offering a unique combination of high-frequency performance, miniature packaging, and exceptional design flexibility. This device is a **resistor-programmable oscillator** capable of generating a **stable 96MHz output** from a single tiny SOT-23 package, making it an ideal choice for a wide array of applications.

The core innovation of the LTC6905 lies in its programmability. Unlike fixed-frequency oscillators that require a specific component for each frequency need, the LTC6905 allows designers to set the output frequency from 17kHz to 104MHz by simply selecting a single external resistor value. This is achieved through a sophisticated internal phase-locked loop (PLL) architecture. The relationship between the frequency (fOSC) and the external resistor (RSET) is defined by a precise formula: **fOSC(MHz) = 2078 × RSET(kΩ) / (N × 104)**. For the -96 variant, the internal divider `N` is factory-set to optimize performance at **96MHz**, requiring an RSET of approximately 46.4kΩ. This programmability drastically simplifies inventory management and accelerates prototyping and product development cycles.

Housed in a **5-pin SOT-23 package**, the LTC6905 delivers remarkable performance in an incredibly small footprint. This is crucial for space-constrained applications such as portable medical devices, high-density communication modules, and advanced sensor nodes. Despite its size, it does not compromise on quality. The oscillator exhibits **low jitter and excellent frequency stability**, which are critical parameters for maintaining signal integrity in high-speed data conversion, wireless systems, and precision timing references.

Furthermore, the device operates over a wide supply voltage range of 2.7V to 5.5V, enhancing its versatility for both 3V and 5V systems. It features a user-selectable logic output (CMOS or a reduced-swing mode) to optimize power consumption and noise generation for the target application. Its **low power consumption** and minimal external component count (only the set resistor and a single bypass capacitor are needed) make it an efficient and cost-effective solution.

**ICGOOODFIND**: The LTC6905CS5-96#TRMPBF is a superior choice for engineers seeking a blend of high frequency, miniaturization, and effortless programmability. It eliminates the need for multiple fixed-clock sources, streamlining design and reducing time-to-market for advanced electronic systems.

**Keywords**: Programmable Oscillator, SOT-23 Package, 96MHz Frequency, Low Jitter, Precision Timing.

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