MM74HC4046SJX

Series:	74HC
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Phase Lock Loop (PLL)
PLL:	No
Input:	CMOS
Output:	3-State
Number of Circuits:	1
Ratio - Input:Output:	1:2
Differential - Input:Output:	No/No
Frequency - Max:	14MHz
Divider/Multiplier:	No/No
Voltage - Supply:	2 V ~ 6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.209", 5.30mm Width)
Supplier Device Package:	16-SOP
Base Part Number:	74HC4046

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MM74HC4046SJX is a type of Clock/Timing device from the Clock Generators, PLLs, Frequency Synthesizers family. It is an analogue PLL (Phase Locked Loop) IC that is designed to act as a frequency synthesizer and supports low-power CMOS technology.The MM74HC4046SJX is mainly used to generate high-frequency clock signals of up to 400kHz, and have a wide range of applications including frequency synthesis in radio transceivers, modems, clock sources for microprocessors, frequency synthesizers, oscillators, and filters.The device consists of two transconductance amplifiers, a phase/frequency detector, a voltage-controlled oscillator (VCO), and a voltage-controlled amplifier, all integrated into one integrated circuit (IC). These components are connected together in series to form a closed loop, with an input clock signal at one end and a high-frequency synthesized output signal at the other end.When a clock signal is applied to the Input of the device, it is compared (phase-detected) with the signal from the VCO, and the difference between the signals is used to adjust the frequency of the VCO, thereby generating a synthesized output signal.The VCO, phase detector, and frequency synthesizer of the MM74HC4046SJX can be used to generate and adjust the frequency of an output signal. Additionally, the device has a divide-by-two function, which enables it to generate two outputs simultaneously; a lower-frequency clock signal and a higher-frequency signal that is half the frequency of the input signal.The MM74HC4046SJX also features an adjustable loop band-width, allowing advanced users to fine-tune the responsiveness of the frequency synthesizing circuit. Additionally, the device has an adjustable reference frequency input, allowing users to customize the frequency of their synthesized output signal.The device has an operating voltage range of 2V to 7V, and can be powered using a wide variety of power sources such as AC, DC, and batteries. Additionally, the device can operate over a wide temperature range.In summary, the MM74HC4046SJX from the Clock Generators, PLLs, Frequency Synthesizers family is an analogue PLL IC that is designed to act as a frequency synthesizer, generate frequencies up to 400kHz, and features an adjustable loop bandwidth, an adjustable reference frequency input, an operating voltage range of 2V to 7V, and wide temperature range. It is widely used in various clock/timing applications including radio transceivers, modems, microprocessors, oscillators, and filters.

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