SIT1602BCA8-18E

Frequency Stability:	--
Current - Supply (Disable) (Max):	4mA
Height:	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	4.1mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	±20ppm
Series:	SiT1602
Voltage - Supply:	1.8V
Output:	LVCMOS
Function:	Enable/Disable
Available Frequency Range:	3.57MHz ~ 77.76MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tube

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Programmable Oscillators represent a group of electronic components that generate electrical signals in either a repetitive or one-shot fashion. In a clock-based system, they are used to produce a series of frequencies which are used to drive the system clocks. They can be used in many different applications, ranging from timing and communications to industrial automation and embedded designs. The SIT1602BCA8-18E is one such programmable oscillator device.The SIT1602BCA8-18E is a versatile and programmable oscillator device which provides both clock signal generation and frequency conversion. It utilizes a digitally-controlled oscillator (DCO) which can be programmed in various modes to provide frequencies from 0.75 kHz to 800 MHz. The device is capable of providing clock signals with programmable duty cycles, enabling a wide range of applications. The SIT1602BCA8-18E is also a highly energy-efficient device, as it has a low power consumption when in stand-by mode.The SIT1602BCA8-18E is a great device for many applications, such as clocks and timing, communications, test and measurement systems, industrial automation, and embedded designs. In the clock and timing domain, it can be used to generate frequencies at either the DCO or a high frequency PLL output, providing users with high accuracy frequency synthesis and clock signal generation. In communications systems, it can be used to generate both static and dynamic frequency hopping and guard band frequencies. In test and measurement systems, it can be used to generate high-resolution signals for sample-by-sample analysis.In industrial automation, the SIT1602BCA8-18E is great for controlling the timing and frequency of motors, pumps, and other peripherals. It can also be used to provide pulse width modulation (PWM) signals for the speed control of AC/DC motors and fans. Finally, in embedded design, it can be programmed in various modes to provide clock and signal synchronization for a wide range of embedded systems.The SIT1602BCA8-18E is a relatively easy device to operate and program. It utilizes an I2C serial programming interface which enables a wide range of user-defined parameters to set frequency and duty cycle. Users can also set a wide range of diagnostic and protection features, including fault indication, over-current monitoring, and power-down protection.The working principle of the SIT1602BCA8-18E is based on a phase-locked-loop (PLL) circuit. The PLL circuit consists of a phase/frequency detector (PFD), a charge pump (CP), an R-2R analog digital converter (ADC) and low-pass filters (LPF). The PFD compares the phase and frequency of the input signal to the internally generated reference signal and outputs a signal which is proportional to the phase and frequency difference. The output signal from the PFD is then sent to the CP, which filters, amplifies and converts the signal into a current or voltage waveform which is sent to the R-2R ADC. The ADC converts the waveform into a digital signal and the LPF filters the output, producing a low-jitter clock signal with a wide range of frequencies.In conclusion, the SIT1602BCA8-18E is a very versatile and efficient programmable oscillator device. It can easily be programmed to generate a range of frequencies from 0.75 kHz to 800 MHz, and can be used in applications such as clocks and timing, communications, test andmeasurement systems, industrial automation, and embedded design. The device utilizes a PLL circuit with a phase/frequency detector, charge pump, and R-2R ADC to produce a low-jitter clock signal with programmable frequency and duty cycle.

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