SIT9005ACA2H-18SM

Frequency Stability (Total):	--
Current - Supply (Disable) (Max):	1.5µA
Height:	0.030" (0.76mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	5.5mA
Spread Spectrum Bandwidth:	±1.67%, Center Spread
Operating Temperature:	-20°C ~ 70°C
Series:	SIT9005
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Voltage - Supply:	1.8V
Output:	LVCMOS
Function:	Standby
Available Frequency Range:	1MHz ~ 141MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	SSXO
Base Resonator:	MEMS
Part Status:	Active

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Programmable oscillators have become a commonplace piece of hardware in simple electronic circuits and increasingly complex systems. The SIT9005ACA2H-18SM is one such device that is a popular choice for many applications and is widely used by engineers and hobbyists alike.A programmable oscillator is an electronic circuit in which the frequency, duty cycle and phase can be adjusted and programmed. The SIT9005ACA2H-18SM is a compact, surface mounted (SMT) programmable oscillator that packs a lot of features – such as a frequency range of 4kHz to 4.6GHz, an 18-bit resolution and an operating temperature of -40°C to +85°C – in a tiny package.The main application of the SIT9005ACA2H-18SM is wireless communication. The device is capable of generating high-frequency signals across a wide range of bands, making it ideal for radio frequency (RF) applications – from WiFi routers to commercial radio links – where frequency accuracy and power output are both essential. It is also a logical choice for many other applications, such as broadcasting, navigation, radars and telemetry.The working principle of the SIT9005ACA2H-18SM is that of a voltage-controlled oscillator (VCO). A VCO produces periodic waveforms of a given frequency which is determined by the voltage applied to it. The SIT9005ACA2H-18SM uses an on-chip voltage controlled oscillator to generate the signals and an on-chip digital lock detector to provide frequency accuracy.The digital lock detector continually checks the output frequency of the oscillator and adjust it to the desired frequency if the value deviates too much. Furthermore, the control voltage applied to the oscillator can be programmed through a latch or through an external pin for low frequency operations, such as for frequency hopping systems.Additionally, the SIT9005ACA2H-18SM also provides programmable pulse-width modulation (PWM) output. PWM output is used to control the ON time and OFF time of a signal, and is particularly useful for RC (remote control) circuits and other applications that require precise timing control.Overall, the SIT9005ACA2H-18SM is a versatile programmable oscillator is suited for a wide range of applications that require precise frequency control and accurate PWM output. It’s main application is in wireless communication, however it can also be used in other areas such as broadcasting, navigation and telemetry. With an on-chip voltage controlled oscillator and digital lock detecttor, it ensures greater accuracy and reliability, making it a solid choice for many circuits.

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