TRF3761-H Texas instruments

TRF3761-H

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TRF3761-H

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Описание

TRF3761 is a family of high performance, highly integrated frequency synthesizers, optimized for high performance applications. The TRF3761 includes a low-noise, voltage-controlled oscillator (VCO) and an integer-N PLL. TRF3761 integrates divide-by 1, 2, or 4 options for a more flexible output frequency range. It is controlled through a 3-wire serial-programming-interface (SPI) interface. For power sensitive applications the TRF3761 can be powered down by the SPI interface or externally via chip_en pin 2.

Fully Integrated VCO
Low Phase Noise: –137dBc/Hz (at 600kHz, f_VCO
of 1.9GHz)
Low Noise Floor: –158dBc/Hz at 10MHz Offset
Integer-N PLL
Input Reference Frequency range: 10MHz to
104MHz
VCO Frequency Divided by 2-4 Output
Output Buffer Enable Pin
Programmable Charge Pump Current
Hardware and Software Power Down
3-Wire Serial Interface
Single Supply: 4.5V to 5.25V Operation

Integrated VCO	Yes
Output frequency (min) (MHz)	2028
Output frequency (max) (MHz)	2175
Normalized PLL phase noise (dBc/Hz)	-137
Current consumption (mA)	130
Features	Integer N PLL, Integrated VCO
Rating	Catalog
Operating temperature range (°C)	-40 to 85
Lock time (µs) (typ)	>350