SIT9005ACR2D-25SG

Series:	SIT9005
Part Status:	Active
Base Resonator:	MEMS
Type:	SSXO
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Available Frequency Range:	1MHz ~ 141MHz
Function:	Standby
Output:	LVCMOS
Voltage - Supply:	2.5V
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Frequency Stability (Total):	--
Operating Temperature:	-20°C ~ 70°C
Spread Spectrum Bandwidth:	-1.84%, Down Spread
Current - Supply (Max):	6.5mA
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height:	0.030" (0.76mm)
Current - Supply (Disable) (Max):	4.3µA

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Programmable Oscillators (POs) are an important element in signal generation and signal conditioning applications. These components control the production and reception of signals, allowing for repetitive or periodic signals. The SIT9005ACR2D-25SG is a precise, programmable oscillator capable of eliminating jitter, enriching signal quality, and enhancing accuracy and resolution of the signal generated or received.

Product Overview

The SIT9005ACR2D-25SG is a low-power, digitally programmable, low-jitter oscillator with extended frequency range and high accuracy. It is based on an on-chip crystal and employs a proprietary CMOS oscillator circuit, resulting in low-temperature shift, low-power consumption, and high precision. The device can be dropped in and replaced without any change to the output frequency and requires a VIN of 1.8V and a maximum current consumption of 0.9mA.

Application Field

The SIT9005ACR2D-25SG is suitable for applications that require precise oscillators and accurate signal timing, such as DSP, radio frequency (RF), and mobile communication. The small size of the oscillator and its low power consumption makes it attractive for portable device applications. Additionally, this oscillator is suitable for industrial applications that need precise signal timing and can be used in a variety of automotive applications.

Working Principle

The working principle of the SIT9005ACR2D-25SG is based on a quartz crystal circuit. The crystal resonates precisely at its predefined frequency when an alternating voltage of specific amplitude and frequency is applied. The generated frequency is sent to the output circuit where it is conditioned. To reduce jitter and modulate the signal quality, the oscillator employs a proprietary CMOS oscillator circuit.The SIT9005ACR2D-25SG also features a synchronous clock which can be used to synchronize the oscillator with a system clock. This ensures that the oscillator is synchronized to the system’s characteristic and reduces timing errors due to mismatch. Additionally, the oscillator has two adjustable registers that allow it to be programmed externally, allowing for programmable frequency selection.

Conclusion

In summary, the SIT9005ACR2D-25SG is a precise, programmable oscillator that is suitable for applications that require precise oscillators and accurate signal timing, such as DSPs, RFs, and mobile communication. Its low power consumption, small size, and low temperature characteristics are attractive for portable applications. Additionally, the device features a synchronous clock and two adjustable registers that allow for frequency selection, making it ideal for industrial applications.

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