pl500 - 1 5/16 low phase noise vcxo ( 1 mhz to 18 mhz) micrel inc. ? 2180 fortune drive ? san jose, ca 95131 ? usa ? tel +1(408) 944 - 0800 ? fax +1(408) 474 - 1000 ? www.micrel.com rev 7 / 01 / 1 0 page 1 features ? vcxo with divider selection ( divsel ) input pin ? pl500 - 15: 8 , 16 ? pl500 - 16: 2 , 4 ? vcxo output for the 1 mhz to 18 mhz range ? 1 6mhz to 36mhz fundamental crystal i n put. ? low phase noise ( - 130 dbc @ 10khz of f set u s ing a 35.328mhz crystal ). ? lv cmos output with oe tri - state control. ? integrated high linearity variable capac i tors. ? 12ma drive capability at ttl ou t put. ? 150 ppm pull range, max 5% linea r ity. ? low jitter (rms): 2.5ps period jitter. ? 2.5 v ~ 3.3v oper a tion. ? available in 8 - pin so p , 6 - pin sot23 green / rohs compliant packages , or die. description the pl500 - 1 5/16 is a low cost, high pe r formance and low phase noise vcxo for the 1 mhz to 18 mhz range, providing less than - 130dbc at 10khz of f set when using a 3 5.328mhz crystal . the very low jitter (2.5 ps rms period jitter) makes this chip ideal for applications requiring voltage co n trolled frequency sources. input crystal can range from 1 6mhz to 36mhz (fundamental res o nant mode). pin c on figur a tion divider selection logic levels part # divsel state operation pl500 - 15 1 (default) * 16 0 8 pl500 - 16 1 (default) * 4 0 2 * setting for sot23 package block diagram xtal osc vcon xin clk selectable divider varicap xout divsel p l 5 0 0 - 1 5 / 1 6 1 2 3 4 5 6 7 8 xin vcon divsel ^ gnd xout vdd clk oe ^ p l 5 0 0 - 1 5 / 1 6 1 2 3 4 5 6 vcon gnd xin clk xout vdd sop - 8 l sot 23 - 6 l * ^ : denotes internal pull - up *: sot package offers single divider option only
pl500 - 1 5/16 low phase noise vcxo ( 1 mhz to 18 mhz) micrel inc. ? 2180 fortune drive ? san jose, ca 95131 ? usa ? tel +1(408) 944 - 0800 ? fax +1(408) 474 - 1000 ? www.micrel.com rev 7 / 01 / 1 0 page 2 die pad layout die specificat ions name value size 39 x 32 mil reverse side gnd pad dimensions 80 micron x 80 micron thickness 8 mil die pad assignment name pin# die pad pos i tion type description sop - 8 sot23 - 6 x ( ? m) y ( ? m) xin 1 3 94.183 768.599 i crystal i n put pin. vcon 2 1 94.157 605.029 p frequency control voltage i n put pin. divsel 3 - 94.183 331.756 i divider sele c tion input pin. default logic 1 for sot23 package. see divider selection logic le v els tabl e on page 1. gnd 4 2 94.193 140.379 p ground pin. clk 5 6 715.472 203.866 o output clock pin. vdd 6 5 715.307 455.726 p vdd power supply pin. oe 7 - 715.472 626.716 i output enable input pin. di s ables the output when low. internal pull - up e n ables outp ut by default if pin is not connected to low. default e n abled (logic 1) for sot23 package. xout 8 4 476.906 888.881 i crystal ou t put pin. 5 y x ( 0 , 0 ) ( 812 , 986 ) 3 9 m i l 32 mil 8 6 2 3 4 7 die id : pl 500 - 15 : c 500 a - 1111 - 12 pl 500 - 16 : c 500 a - 1111 - 11 1 xin divsel ^ clk gnd vcon xout oe ^ vdd note : ^ denotes internal pull up
pl500 - 1 5/16 low phase noise vcxo ( 1 mhz to 18 mhz) micrel inc. ? 2180 fortune drive ? san jose, ca 95131 ? usa ? tel +1(408) 944 - 0800 ? fax +1(408) 474 - 1000 ? www.micrel.com rev 7 / 01 / 1 0 page 3 electrical specific a tions 1. absolute maximum ra t ings parameters symbol min. max. units supply voltage v dd 4.6 v input voltage, dc v i - 0.5 v dd +0.5 v output voltage, dc v o - 0.5 v dd +0.5 v storage temperature t s - 65 150 ? c ambient operating temper a ture* t a - 40 85 ? c junction temperature t j 125 ? c lead temperature (so l dering, 10s) 260 ? c esd protection, h u man body model 2 kv exposure of the device under conditions beyond the limits specified by maximum ratings for extended periods may cause permane nt damage to the device and affect product rel i ability. these conditions represent a stress rating only, and functional operations of the device at these or any other conditions above the operational limits noted in this specific a tion is not implied. *operating temperature is guaranteed by design. parts are tested to commercial grade only. 2. ac electrical specific a tions param e ters sy m bol cond i tions min. typ. max. units input crystal fr e quency 1 6 36 mhz output clock rise/fall time 0.8v ~ 2.0v, 10 pf load 1.15 ns 0.3v ~ 3.0v , 15 pf load 3.7 output clock duty cycle measured @ 1.4v 45 50 55 % 3 . voltage control crystal osci l lator param e ters sy m bol cond i tions min. typ. max. units vcxo st a bilization time * t vcxostb from power valid 10 ms vcxo tu n ing range xtal c 0 /c 1 < 250 0v ? vcon ? 3.3v 300 ppm clk output pu l lability vcon=1.65v, ? 1.65v ? 150 ppm vcxo tuning chara c teristic 100 ppm/v pull range linearity 5 % power supply reje c tion pwsrr frequency change with vdd varied +/ - 10% - 1 +1 ppm vcon pin input i m pedance 2000 k ? vcon modul a tion bw 0v ? vcon ? 3.3v, - 3db 18 khz note: parameters denoted with an asterisk (*) re p resent nominal characterization data and are not production tested to any specific limits.
pl500 - 1 5/16 low phase noise vcxo ( 1 mhz to 18 mhz) micrel inc. ? 2180 fortune drive ? san jose, ca 95131 ? usa ? tel +1(408) 944 - 0800 ? fax +1(408) 474 - 1000 ? www.micrel.com rev 7 / 01 / 1 0 page 4 4. jitter and phase noise specif i cations parameters conditi ons min. typ. max. units rms period ji t ter (1 sigma C 1000 samples) with capacitive decou p ling b e tween vdd and gnd. 2.5 ps phase noise relative to ca r rier 13.5 mhz @100hz of f set - 100 dbc/hz phase noise relative to ca r rier 13.5 mhz @1khz offset - 1 2 5 dbc/hz phase noise relative to ca r rier 13.5 mhz @10khz of f set - 1 42 dbc/hz phase noise relative to ca r rier 13.5 mhz @100khz of f set - 1 50 dbc/hz phase noise relative to ca r rier 13.5 mhz @1mhz offset - 1 50 dbc/hz 5. dc specifications param e ters sy m bol c ond i tions min. typ. max. units supply current, d y namic, with loaded ou t puts i dd f xin = 27mhz output load of 15pf 3.3v 3.7 5 ma 2.5v 2.4 3.5 operating voltage v dd 2.25 3.63 v output low vol t age at cmos level v ol c i ol = +4ma 0.4 v output high voltage at cmos level v ohc i oh = - 4ma v dd C 0.4 v output drive cu r rent for v ol <0.4v or v oh >2.4v 8 9.5 ma vcxo co n trol voltage vcon 0 v dd v 6. crystal specifications parameters sy m bol min. typ. max. units crystal loading ra t ing (vcon = 1.65v , 3.3v vdd) c l (x ta l) (see note b e low) 7.8 pf crystal loading ra t ing (vcon = 1.25v, 2.5v vdd ) 8.9 maximum sustai n able drive level 200 ? w operating drive level 50 ? w max c0 5 pf c0/c1 250 - esr r s 30 note : the crystal must be such tha t it oscillates (parallel resonant) at nominal frequency when presented a c load as specified above. if the crystal requires more load to be at nominal frequency, the additional load must be added externally. this ho w ever may reduce the pull range. note th at the cload values above are for the ic only, and do not include pcb parasitics. crystal specifications for cload include pc b parasitics.
pl500 - 1 5/16 low phase noise vcxo ( 1 mhz to 18 mhz) micrel inc. ? 2180 fortune drive ? san jose, ca 95131 ? usa ? tel +1(408) 944 - 0800 ? fax +1(408) 474 - 1000 ? www.micrel.com rev 7 / 01 / 1 0 page 5 ordering inform ation ( green package com pl i ant) micrel inc., reserves the right to make changes in its products or specifications, or both at any time without notice. the information furnished by micrel is believed to be accurate and reliable. however, micrel makes no guarantee or warranty concerning the accuracy of said info rmation and shall not be responsible for any loss or damage of whatever nature resulting from the use of, or reliance upon this product. life support policy : micrels products are not authorized for use as critical components in life support devices or systems wit hout the express written approval of the president of micrel inc. for part ordering, please contact our sales department: 2 1 80 fortune drive , san jose, ca 95131 , usa tel: (408) 944 - 0800 fax: (408) 474 - 1 000 part number the order number for this device is a combination of the following: part number, package type and operating temperature range pl50 0 - xx x x - x part / order nu m ber marking package option pl500 - 15dc n/a die (waffle pack) pl500 - 15 s c p500 - 15 sc lllll 8 - pin sop (tube) pl500 - 15 s c - r 8 - pin sop (tape and reel) pl500 - 15 t c - r b15 lll 6 - pin sot23 (tape and reel) pl500 - 16dc n/a die (waffle pack) pl500 - 16 s c p500 - 16 sc lllll 8 - pin sop (tube) pl500 - 16 s c - r 8 - pin sop (tape and reel) pl500 - 16 t c - r b16 lll 6 - pin sot23 (tape and reel) note: lll / lllll designate production lot. part number temperature c=commercial i=indust rial none= tube r=tape and reel
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