ADF4113BRUZ Datasheet

RF PLL Frequency Synthesizers


The ADF4110 familyoffrequency synthesizers can be used to implement localoscillators inthe upconversion and downcon version sectionsofwireless receivers and transmitters. They
consistofalownoise digitalPFD(phasefrequencydetector), a precisionchargepump, a programmablereference divider, programmable A and B counters,and a dual-modulus prescaler
(P/P + 1).The A (6-bit) and B (13-bit) counters,in conjunction withthe dual-modulus prescaler (P/P + 1),implement an N divider(N = BP+ A).Inaddition,the 14-bitreference counter(R counter) allows selectable REFIN frequencies atthe PFD input. A completephase-lockedloop(PLL) can be implemented ifthe synthesizer is used with an external loopfilter and voltage
controlledoscillator (VCO).

ADF4110: 550 MHz; ADF4111:1.2 GHz; ADF4112: 3.0 GHz; ADF4113: 4.0 GHz
2.7 V to 5.5 V power supply
Separate charge pump supply (VP) allows extended tuning voltage in 3V systems
Programmable dual-modulus prescaler 8/9, 16/17, 32/33, 64/65
Programmable charge pump currents
Programmable antibacklash pulse width
3-wire serial interface
Analogand digital lock detect
Hardware and software power-down mode

Base stations for wireless radio (GSM, PCS, DCS, CDMA, WCDMA)
Wireless handsets (GSM, PCS, DCS, CDMA, WCDMA)
Wireless LANS
Communications test equipment



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Manufacturer information


Analog Devices, Inc. Introduction - Analog Devices, Inc. (NASDAQ: ADI) defines innovation and excellence in signal processing. ADI's analog, mixed-signal, and digital signal processing (DSP) integrated circuits (IC) play a fundamental role in converting, conditioning, and processing real-world phenomena such as light, sound, temperature, motion, and pressure into electrical signals to be used in a wide array of electronic equipment. ADI is synonymous with high performance among electronics manufacturers and we collaborate with our customers to define the very best in the quality of the user experience. That means the clearest image, crispest sound, and optimum interface, size and performance in thousands of entertainment, medical, communications, industrial and other applications.

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