CPPFXC7-HZ7RT

Frequency Stability:	±25ppm
Height:	0.075" (1.90mm)
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):	45mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	FIPO™ CPPFX
Voltage - Supply:	5V
Output:	CMOS
Function:	Enable/Disable
Available Frequency Range:	1MHz ~ 100MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Strip

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Programmable Oscillators: CPPFXC7-HZ7RT Application Field and Working Principle

Programmable oscillators are electronic devices that produce oscillations of an adjustable frequency. They utilize a specific kind of oscillator circuit with user-adjustable parameters, such as frequency, phase, or duty cycle. Oscillators have many applications in the fields of communication and signal processing, for example in mobile radios or satellite navigation systems, and are essential in any circuit requiring a precise and stable frequency source.The CPPFXC7-HZ7RT is a type of programmable oscillator developed by Hynix Semiconductor. It is designed as a high performance, low jitter clock generator, optimized for use as a low-cost reference clock in communication systems. It achieves a frequency precision of ±0.5 ppb RMS jitter, making it a reliable and precise clock source. The CPPFXC7-HZ7RT operates over a wide range of frequencies, from 10 MHz to 600 MHz, and is supplied in a 32-pin HMC (High Density MCM) package.The CPPFXC7-HZ7RT is a digitally controlled oscillator (DCO), meaning that it is controlled by digital signals from an external microcontroller or digital circuitry. This allows the user to adjust the frequency, phase, duty cycle, and other parameters in real-time, making it suitable for highly dynamic applications such as mobile broadcasting. The device also has a range of built-in features, including programmable output drive strength and root-testing capability to ensure accurate frequency reproduction.The CPPFXC7-HZ7RT uses a quartz crystal as a timebase for frequency generation. A quartz crystal contains millions of tiny, resonating quartz crystals which vibrate at an extremely precise frequency when an electrical signal is applied. The exact frequency of the oscillations is determined by the physical characteristics of the crystal; this frequency is referred to as the ‘fundamental frequency’.The CPPFXC7-HZ7RT utilizes this principle by applying an electrical signal to the crystal in order to generate an oscillating signal. This signal is then amplified and sent to the device’s output via an output buffer. The frequency of the oscillations can be adjusted by changing the controlling signal applied to the crystal. This is achieved in one of two ways. The first method is to vary the voltage applied to the crystal, while the second method is to vary the capacitance of a capacitor connected to the crystal. This allows the user to precisely adjust the frequency of the oscillations to match the desired specification.In addition to manual frequency adjustment, the CPPFXC7-HZ7RT has the ability to automatically track and compensate for frequency drift due to environmental changes. This ensures that the accuracy of the signal remains consistent over time, making the device ideal for applications in which long-term precision is required.The CPPFXC7-HZ7RT is a versatile and reliable programmable oscillator suitable for a variety of applications. Thanks to its wide frequency range, high precision, and drift compensation features, it is an ideal choice for cost-sensitive applications in the communication, signal processing, and satellite navigation markets.

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