VFJA906 Jitter Attenuator w/ Fout = 125 MHz RoHS Status Applications ¾ ¾ ¾ Sonet / SDH / ATM 10 Gigabit Ethernet Wireless Infrastructure Description The VFJA906 is a Jitter Attenuator that provides 4 LVCMOS outputs with a frequency of 125 MHz. A Lock Detect signal indicates when the device is in “lock”. Operating with a +3.3 volt power supply the device typically consumes 150 mW. The VFJA906 is available in a 19.5mm x 15.5 mm surface mount package. Fout 1 LD Filter Fout 2 F in R-Divider VCXO PFD Fout 3 S0 S1 uController N- Divider Fout 4 Block Diagram 75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • RevA0708 1 VFJA906 Jitter Attenuator w/ Fout = 125 MHz Absolute Maximum Ratings Parameter Supply Break Down Voltage Storage Temperature Symbol Condition Min Typ Max Unit Vcc -0.5 5.5 V Ts -55 +105° °C Note Electrical Specifications Parameter Symbo l Output Frequency # of Outputs Input Frequency Fout Input Level Vin Input Jitter Output Level Logic “1” Output Level Logic “0” Phase Jitter Peak to Peak Jitter SSB Phase Noise APR Modulation BW Duty Cycle Rise / Fall Time Start up time Supply Voltage Input Current Operating Temperature Range Lock Detect Condition Min Typ Max 125 Unit Note MHz 4 Fin 161.1328125 Single - ended AC coupled internally 100 Hz to 1 MHz 0.4 MHz 3.3 V p-p 40 ps See Table 1 Voh IOH = 8 mA Vcc-.6 Vcc V LVCMOS Vol IOL = 8 mA 0.0 .3 V LVCMOS 12KHz to 20MHz 0.20 7 Фn 10 Hz 50 20% to 80% 3.15 Icc LD dBc/Hz ppm 45 3.30 45 Ta ps ± 50 2 Vcc 10 -103 -125 -150 -158 100Hz 1KHz 10KHz 100KHz @ 50% Tr/Tf ps(rms) -40° 55 % 0.6 ns 10 ms 3.45 V 55 mA +85° °C Output HIGH (> 2.5 V) : In Lock; Output LOW (< .5V): Out of Lock @ 125 MHz Note 1 LVCMOS 75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • RevA0708 2 VFJA906 Jitter Attenuator w/ Fout = 125 MHz Environmental and Mechanical Parameter Mechanical Shock Thermal Shock Specification Per MIL-STD-202, Method 213, Condition E Per MIL-STD-883, Method 1011, Condition A Vibration Per MIL-STD-883, Method 2007, Condition A Soldering Conditions 260°C for 10s max Hermetic Seal -8 Leak rate less than 5x10 atm.cc/s of helium (crystal only) Vcc = 3.3V C1 .1 uF Fout 1 3 4 10 11 12 13 LVPECL interface Fin R1 R2 S1 S0 1 1 Fout 4 5 7 8 14 R1, R2 = 200 Ω Gnd Pin # Description 1 Fin 2 LD 3 Vccp* 4 Vcc 5 S1 6 DNC 7 S0 8 Gnd 9 N/C 10 Fout 1 11 Fout 2 12 Fout 3 13 Fout 4 14 Gnd * Connect pin #3 to pin #4 and add .1 uF Table 1 S1:S0 00 01 10 11 Input Frequency (MHz) 161.1328125 161.1328125 161.1328125 161.1328125 Output Frequency (MHz) 125.00 125.00 125.00 125.00 75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-435-5289 • www.valpeyfisher.com • RevA0708 3