PFD1K Microchip

PFD1K 8 GHz Phase Frequency Detector IC with Dual 40 GHz Prescalers Features Product Highlights 40 GHz Maximum Frequency 1-127 Variable Modulus Prescalers PF D 1K DC-8GHz Phase Detector Operation XXXX Single +3.3V Supply Single-Ended or Differential inputs and outputs Charge Pump digital control Charge Pump invert pin Description 6x6 Ceramic Leadless QFN The PFD1K is a high frequency phase fre- Low Power Dissipation quency detector with fully differential inputs and outputs. It features dual 7 bit programma- ble high speed prescalers which allow the PFD1K to operate up to 40 GHz for the refer- Application ence and voltage controlled oscillator input fre- The PFD1K can be used as a general quency. The 8 GHz phase-frequency detector purpose phase frequency detector with allows operation at higher reference frequen- integrated prescalers. It is ideally suited cies with concurrent lower phase noise and to phase locked loop applications. The PLL figure of merit. The PFD1K operates with prescalers can be programmed at a rate a single positive or negative 3.3V supply, and greater than 100MHz, which makes is packaged in a 40-pin, 6mm x 6mm ceramic it an excellent choice for fractional-N leadless surface mount package. digital frequency synthesizers. Pad Metallization Order Information The QFN package pad metallization consists of a 500-1000 micro-inch Sn63 automated solder dip process. SMD-00191 Rev D 1 of 19 Subject to Change Without NoticePFD1K Key Specifications (T = 25C) Vcc=+3.3V, Zo=50 Parameter Description Min Typ Max 1 Fref (GHz) Input Reference Frequency 0.01 - 40 1 Fvco (GHz) Input VCO Frequency 0.01 - 40 2 Pref (dBm) Input Reference Power -10 0 +10 2 Pvco (dBm) Input VCO Power -10 0 +10 3 Vout (mVp-p) Differential Charge Pump Output - 400 - PDC (mW) DC Power Dissipation - 1320 - 4 SSB Phase Noise - -153 - L (dBc/Hz) 1 Minimum input frequency values assume sine wave input and divide ratio set to 1. 2 Input frequency=20 GHz 3 Each side terminated into 50 4 900 MHz PFD input 10 KHz offset Supplemental Characteristics ( 25C): Vcc=+3.3V, Pin = 0 dBm, Zo=50 Parameter Description Min Typ Max 1 Vdro (mVp-p) Reference Prescaler Output 450 475 500 1 Vdvo (mVp-p) VCO Prescaler Output 450 475 500 1 Measured over several frequencies and divide ratios. SMD-00191 Rev D 2 of 19 Subject to Change Without Notice