LTC6930HDCB-8.19

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The LTC6930HDCB-8.19 is a precision clock oscillator that is part of the family of Clock/Timing - Programmable Timers and Oscillators. An oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave. Oscillators are used in many different applications from clocks and timers to communications systems to noise-making devices. The LTC6930HDCB-8.19 specifically provides an adjustable frequency output with a frequency range of 1.5MHz to 8.19MHz and frequency resolution up to 20 kHz.

The LTC6930HDCB-8.19 utilizes a unique combination of CMOS and analog circuitry to synthesize an adjustable frequency sinusoidal waveform output. The device is digitally controlled via an 8-bit word programmable by either using external serial or parallel inputs. The IC works by using and combining two separate LC oscillators and a voltage controlled oscillator (VCO).

The LTC6930HDCB-8.19 is comprised of three main components: a low frequency oscillator (LFO), a high frequency oscillator (HFO), and a voltage-controlled oscillator (VCO). The LFO is a parallel combination of the inductors and capacitors in the device and has a frequency that is determined by the LC resonator. The HFO is a self-oscillating RC circuit, and the frequency at which it oscillates is determined by the stray capacitances and resistor of the circuit. The VCO is also a self-oscillating RC circuit, but its frequency is controlled by an external voltage level.

The LTC6930HDCB-8.19 is primarily used in system level clock applications like micropower duty cycle clocks, computer clocks, clock dividers, and oscillators. The device can also be used in consumer electronic applications such as remote control applications, toys and games, and electronic timers. The LTC6930HDCB-8.19 is also used in industrial and medical applications, including production process control, instrumentation, data collection, and measurements. It is also used in biometric devices and medical device control.

The LTC6930HDCB-8.19 operates with a supply voltage of 2.7V to 5.5V and is housed in a frequency-selectable plastic 24-pin SOIC package. The device aids in clock generation by providing an on-chip voltage-controlled oscillator and two adjustable-frequency crystal oscillators. The digitally-controlled frequency programming achieved through the external serial or parallel inputs provide maximum flexibility for a wide range of applications.

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