NBC12439FNG

Differential - Input:Output:	No/Yes
Base Part Number:	NBC12439
Supplier Device Package:	28-PLCC (11.51x11.51)
Package / Case:	28-LCC (J-Lead)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	3.135 V ~ 5.25 V
Divider/Multiplier:	Yes/No
Frequency - Max:	800MHz
Series:	--
Ratio - Input:Output:	1:1
Number of Circuits:	1
Output:	PECL
Input:	Crystal
PLL:	Yes
Type:	PLL Clock Generator
Part Status:	Obsolete
Packaging:	Tube

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NBC12439FNG Application Field and Working PrincipleThe NBC12439FNG is a high-frequency clock generator and frequency synthesizer designed to improve system performance and enable cost-effective implementation of high-end frequency generation applications. The device offers the flexibility and performance required to meet current and future requirements. The NBC12439FNG can produce an output frequency of up to 1200MHz with a supply voltage of 2.5V and a frequency resolution of 0.25µHz. Its multiplexed output structure allows it to generate both low- and high-frequency outputs.The NBC12439FNG belongs to the Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers category. A clock generator is a device that produces a set of clock signals from a single or multiple input sources. It is used in a variety of applications including digital signal processing, secure communications, real-time systems, and industrial automation. A frequency synthesizer is a device that generates a range of frequencies from a single or multiple input sources. It is commonly used in communications, radio/TV broadcasting, navigation, and industrial automation.The NBC12439FNG is a fixed frequency, multiple output clock generator and frequency synthesizer device. It supports two independent output clocks operating at up to 1200MHz, each with a frequency resolution of 0.25µHz. Its low-noise, wide frequency range and precise clock generation make it ideal for a variety of applications including clock buffering, phase lock loops (PLLs), and frequency synthesis.The NBC12439FNG utilizes a low-power PLL as its clock generator. This PLL ensures reliable operation with minimal jitter and clock frequency stability, while also providing low-jitter outputs. The clock outputs have a 50Ω output impedance and are tolerant of varying input and output loading conditions. The device has an on-chip temperature sensor, an internal voltage regulator, power management logic and other features that allow for improved system performance.The NBC12439FNG has several features to ensure reliable operation and precise control over clock settings. The device supports a wide range of control signals, including programmable control pins (C1-C5), single-ended analog voltage (VADJ), and digital control via SPI. The device also supports frequency synthesis up to 1200MHz, making it suitable for a variety of applications.The NBC12439FNG has a wide supply voltage range of 1.7V to 5.5V, allowing it to operate in a variety of different power requirements. It can operate for up to 500µA at 2.5V, making it suitable for battery-powered applications. The device also features an integrated voltage regulator that can provide up to 1A of output current and a jump-start circuit to reduce the power on-time in start-up. Additionally, the device features ESD protection, eliminating the need for external protection measures.To sum up, the NBC12439FNG is a high-performance clock generator and frequency synthesizer for a range of high-frequency requirements. Its combination of low noise, wide frequency range, precise clock generation and voltage-controlled frequency shifting make it suitable for numerous applications. Its on-chip temperature sensor, internal voltage regulator, and power management logic improve system performance and provide cost-effective, reliable operation.

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