HSM536-32.0000

Frequency Stability:	±100ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.105" (2.67mm)
Size / Dimension:	0.435" L x 0.250" W (11.05mm x 6.35mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	30mA
Operating Temperature:	0°C ~ 70°C
Series:	HSM536
Voltage - Supply:	5V
Output:	HCMOS
Function:	Enable/Disable
Frequency:	32MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tube

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Oscillators

HSM536-32.0000 is a digital oscillator produced by Hughes Semiconductor company. It is used primarily in the aerospace industry, but also has applications in other sectors such as the automotive, industrial and medical industries. It is designed to provide an extremely stable frequency output signal with low jitter.

Application Field

HSM536-32.0000 is ideally suited for applications requiring a high degree of stability and accuracy. Its frequency accuracy is typically less than 2ppm over a wide temperature range. It is designed to be used in applications where frequency control, stability and accuracy are critical for the system to operate. It can be used for clock synchronization, telecommunications, frequency synthesizers, radar systems, avionics and anything that requires precise timing control.

Working Principle

HSM536-32.0000 uses a digital phase-locked loop (PLL) architecture which employs an on-chip temperature compensated crystal oscillator (TCXO) as a reference clock. The oscillator is the heart of the oscillator and its frequency output depends on the stability of the TCXO. The oscillator\'s frequency is locked to the reference clock\'s by means of a loop filter and voltage controlled oscillator (VCO). The frequency output of the oscillator is measured by a frequency counter which is adjusted via an analog-to-digital converter (ADC). The loop filter and VCO are then adjusted based on the measured frequency in order to lock the frequency output of the oscillator to the reference clock.The oscillator features up to 3 banks of programmable filter settings and an adjustable output rise and fall times of up to 60ns. It also has an ultra-low power mode known as CleanSwitchTM which allows the oscillator to enter low-power sleep mode almost instantly. The oscillator also features an output enable/disable function with controlled slew rate for easy power-down sequencing.

Conclusion

The HSM536-32.0000 is an ideal choice for applications requiring an extremely stable and accurate frequency output. Its digital PLL architecture ensures high frequency stability and accuracy over a wide temperature range. The oscillator also features programmable filter settings and adjustable output rise and fall times, allowing for optimum performance in various conditions. Lastly, the CleanSwitchTM and output enable/disable functions make the oscillator a reliable choice for power-down sequencing applications.

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