SIT1602AIT7-30S

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Programmable oscillators are devices that are used to modify the frequency of an oscillating signal. The SIT1602AIT7-30S is a programmable oscillator designed for wide range frequency control in intensively precise digital and analog products.

The main application fields of the SIT1602AIT7-30Spertain to fixed coil and inverter welding, process control, laboratory equipment, oscilloscope peripherals,and frequency modulation/demodulation equipment. The device offers precise frequency tuning, good stability, and low noise.

The SIT1602AIT7-30Sfeatures 2x3.2x1.5mm QFN package with a working frequency range of 0.06-128MHz, and operating temperature range of -40°C to +85°C. There are 16 tuning steps available, with a tuning precision of 0.56%. The device is easy to use as it requires only an external capacitor and resistor to adjust the frequency output.

The working principle of the SIT1602AIT7-30S is based on its use of the phase-locked loop (PLL) circuit topology. The PLL is one of the most commonly used frequency synthesizers due to its highfidelity, stability, and flexibility. It works by taking two signals, one with a fixed frequency and phase, and one with a variable frequency and phase, and adjusting the variable signal to match the fixed one by continuously adjusting its frequency, phase, and/or frequency configurations.

The SIT1602AIT7-30S utilizes a digital phase frequency detection technique which allows for precise frequency tuning. Its built-in Digital Lock Detector (DLD) function prevents lock failure due to sudden changes in temperature and supply voltage, providing reliable operation. The device also offers low jitter, low phase noise and fast start-up time.

In summary, the SIT1602AIT7-30S is a programmable oscillator designed to provide tuning, high stability and low noise in digital and analog applications. The device uses the PLL circuit, digital phase frequency detection to achieve precision frequency tuning and its small QFN package allows for flexible and reliable performance.

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