SIT1602AIB3-25E

Frequency Stability:	--
Current - Supply (Disable) (Max):	4mA
Height:	0.031" (0.79mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	4.2mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	±20ppm
Series:	SiT1602
Voltage - Supply:	2.5V
Output:	HCMOS, LVCMOS
Function:	Enable/Disable
Available Frequency Range:	3.75MHz ~ 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:	Bulk

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Programmable Oscillators

Oscillators are circuits that generate a periodic, repeating signal. Frequency and amplitude of the output can be controlled, and are often adjusted by an outside source, such as a microcontroller, making them ideal for use in a wide range of applications. Programmable oscillators are specialized circuits that allow a user to adjust the frequency and/or amplitude of their output without the need for extra components.The SIT1602AIB3-25E is a small size, high precision programmable oscillator. It has an operating voltage range of 2.5V to 3.3V and is capable of operating in temperatures between -40°C and 85°C. It has a frequency range of 10Hz to 25MHz, with an accuracy of ±100 ppm, and a phase noise performance of -170dBc/Hz. The SIT1602AIB3-25E also features a variety of output formats, such as LVPECL, HCSL, LVDS, and HCMOS.The SIT1602AIB3-25E can be used in a wide range of applications, from telecoms and industrial automation, to medical and scientific equipment. It is particularly well suited for testing and measurement applications due to its high precision and wide frequency range. It is also well suited for embedded systems and portable devices, as its small size allows it to be easily integrated into even the most complex designs.The working principle of the SIT1602AIB3-25E is based on the use of a Charge Pump Oscillator (CPO) architecture. The CPO uses two outputs to drive an LC tank while the frequency is digitally-controlled using a resistor and capacitor (RC) circuit. The RC circuit is used to set the oscillation frequency by adjusting the charge/discharge time of the CPO. This allows for a wide range of frequency settings with minimal power consumption.The SIT1602AIB3-25E can be programmed to any desired frequency by writing a programming code into the CMOS registers. The programming code consists of four 8-bit registers, which control output frequency, amplitude, phase and pulse width. Once the desired code is written, the CPO begins operating at the desired frequency.In conclusion, the SIT1602AIB3-25E is a high precision programmable oscillator well suited for a wide range of applications. Its wide frequency range and low power consumption make it ideal for testing and measurement, embedded systems, and portable devices. It is capable of operating in temperatures between -40°C and 85°C, and can be programmed to any desired frequency by writing a programming code into the CMOS registers.

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