SIT1602BI-23-30N-48.000000D

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Oscillators

SIT1602BI-23-30N-48.000000D is a type of Oscillator integrated circuit. It is a highly configurable, low-power, cost-effective universal timer IC that integrates a high-accuracy voltage-controlled oscillator, temperature-compensated amplifier, counter, and other necessary circuits.

Application Field

The SIT1602BI-23-30N-48.000000D is mainly used in precision oscillator applications where accurate frequency and stability is required. It has wide applications in many areas of electronics, such as RF Switch Driver, Garage Door Openers, Consumer Electronics, and Automotive Products. It is also suitable for other timer and frequency control applications, including clocks, digital counters, timers, frequency dividers, digital phase shifter.

Working Principle

The SIT1602BI-23-30N-48.000000D is based on a 4-bit flash architecture, meaning that the output frequency is determined by four different essential parameters. Those parameters are the resonator circuit resonant frequency (Fres), the internal counter frequency (FC), the pre-scaler division ratio and post-scaler division ratio (PD and PS).

The frequency of the oscillator is set by the following formula: fout = PD * FC / (PS * 2⁴). The two division ratios are selected by two external resistors (PD and PS) which set the desired output frequency. The counter frequency (FC) is adjusted externally by a voltage applied to the FB pin. Fres is determined by the active crystal or ceramic resonator. The counter provides a high frequency count which is divided down to a precise output frequency by the PD and PS circuits.

Benefits

The SIT1602BI-23-30N-48.000000D offers many benefits. The device comes in a small TO-252 package, allowing for easy integration into the design. It provides high accuracy and stability, with a very low power draw in comparison to similar devices. It is also very configurable, allowing for different set up parameters and customization for different types of applications.

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