ADF4155BCPZ

ADF4155 is an integer-N/fractional-N PLL synthesizer. It allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers when used with an external loop filter, external voltage controlled oscillator (VCO), and external reference frequency. This device is for use with external VCO parts upto an 8GHz operating frequency. The high resolution programmable modulus allows synthesis of exact frequencies with 0Hz error. The VCO frequency can be divided by 1, 2, 4, 8, 16, 32, or 64 to allow the user to generate RF output frequencies as low as 7.8125MHz. Control of all on-chip registers is through a simple 3-wire interface. This device operates with a nominal power supply of 3.3V ± 5% and can be powered down when not in use. It is used in application such as wireless infrastructure (W-CDMA, TD-SCDMA, WiMAX, GSM, PCS, DCS, DECT), point to point/point to multipoint microwave links, test equipment, wireless LANs, CATV equipment, clock generation etc.

• Input frequency range is 500MHz to 8000MHz
• Phase frequency detector (PFD) upto 125MHz
• High resolution 38bit modulus
• Separate charge pump supply (VP) allows extended tuning voltage in 5V systems
• Differential and single-ended reference inputs
• Logic compatibility is 1.8V, programmable dual-modulus prescaler (P) of 4/5 or 8/9
• Programmable output power level, analogue and digital lock detect
• In-band phase noise is -98dBc/Hz typ at (10KHz offset from 5.8GHz carrier)
• Operating temperature is -40°C to +85°C
• Package style is 24-lead lead frame chip scale [LFCSP-WQ]

附註

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party