DS4077L-BDN

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.120" (3.06mm)
Size / Dimension:	0.551" L x 0.354" W (14.00mm x 9.00mm)
Package / Case:	9-BLGA
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	35mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	±69ppm
Series:	DS4077
Voltage - Supply:	3.3V
Output:	LVDS
Function:	--
Frequency:	122.88MHz
Type:	VCXO
Base Resonator:	Crystal
Part Status:	Obsolete
Packaging:	Bulk

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Oscillators

DS4077L-BDN is an advanced and extremely reliable oscillator. It offers high performance, high stability and low noise characteristics for signal frequency up to 20MHz. It is especially suitable for high accuracy frequency tracking and wide temperature range applications.

Overview

The DS4077L-BDN is an advanced and highly reliable oscillator with excellent frequency stability over a broad temperature range. It features short start-up times, low power consumption, excellent high frequency accuracy, low noise, precision frequency tracking, low phase noise, and high stability over wide operating temperatures.

Applications

DS4077L-BDN is an ideal choice for applications such as medical device, avionics, broadcast systems, motion and weather sensing systems. It is well suited for applications requiring high signal integrity and reliable operation in harsh environments. This device is also suitable for communication systems such as Wi-Fi and LTE, wireless local area networks (WLANs), video broadcasting systems, cellular communicators, as well as broadcast RF receivers and low power digital audio broadcasting (DAB) receivers.

Working Principle

The working principle of the DS4077L-BDN is based on the use of an oscillator circuit that produces sinusoidal waveforms with a frequency content better than 20MHz. The oscillator is built around a temperature compensated reference. The oscillator circuit is designed using a series RC oscillator network and a precision tuned scalar on-chip voltage controlled oscillator (VCO). The VCO is tuned to a fixed frequency and is temperature compensated.The oscillator operates on a voltage supply ranging from 1.8V to 3.3V. The oscillator can be programmed to output a single frequency from 10-20MHz with a 50ppm temperature coefficient. It also has a wide programmable frequency range of up to 20MHz with a frequency stability of ±50ppm over full temperature range.The DS4077L-BDN is designed to be easy to use and has an integrated user interface that allows for easy programming of the desired output frequency. The programming is done via a digital control interface that supports I2C and SPI communication protocols.The device has an advanced power reduction circuitry that can reduce the operating current to as low as 0.15mA while still providing high performance and excellent signal integrity at high frequencies. The oscillator is designed with industry-leading electrostatic discharge (ESD) protection and radiation hardened circuitry to ensure reliable operation in harsh environments.

Conclusion

The DS4077L-BDN is an advanced and reliable oscillator for signal frequency up to 20MHz. It is designed for applications requiring precision frequency accuracy, low noise, and high frequency stability over a broad temperature range. It is well suited for communication systems and applications requiring signal integrity in harsh environments. It has an integrated user interface that allows for easy programming of the desired output frequency. The advanced power reduction circuitry allows for low operating current in order to maximize the total power efficiency. With its low cost and high reliability, the DS4077L-BDN is an excellent choice for oscillator applications.

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