abv2017/18/19 low phase noise vcxo with mult ipliers (for 65-1 30mhz fund xtal) 30332 esperanza., rancho santa margarita, ca 92688 ph: 949-546-8000 fax: 949-546-8001 www.abracon.com 03/21/05 page 1 features ? 65mhz to 130mhz fundamental mode crystal. ? output range: 65mhz ? 800mhz (selectable 1x, 2x, 4x and 8x multipliers). ? low injection power for crystal 50uw. ? available outputs: pecl, lvds, or cmos. ? integrated variable capacitors. ? supports 3.3v-power supply. ? available in 16 pin (tssop or soic) description the abv2017/18/19 family of vcxo ic?s is specifically designed to pull high frequency fundamental crystals. they achieve very low current into the crystal resulting in better overall stability. their internal varicaps allow an on chip frequency pulling, controlled by the vcon input. block diagram pin configuration ^: internal pull-up output enable l ogical levels part # oe state 0 (default) output enabled abv2018 1 tri-state 0 tri-state abv2017 abv2019 1 (default) output enabled oe input: logical states defined by pecl levels for abv2018 logical states defined by cmos levels for abv2017/-19 xin xout oe q abv2017/18/19 vcon q pll by-pass sel pll (phase locked loop) oscillator amplifier w/ integrated varicaps abv201x 1 2 3 4 5 6 7 8 vdd 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 xin xout sel3^ sel2^ oe vcon gnd sel0^ sel1^ gnd clkc vdd clkt gnd gnd
abv2017/18/19 low phase noise vcxo with mult ipliers (for 65-1 30mhz fund xtal) 30332 esperanza., rancho santa margarita, ca 92688 ph: 949-546-8000 fax: 949-546-8001 www.abracon.com 03/21/05 page 2 pin descriptions name number type description xin 2 i crystal input. see crystal specification on page 3. xout 3 i crystal output. see cr ystal specification on page 3. oe 6 i output enable. see output enable logic levels on page 1. vcon 7 i voltage control input. gnd 8,9, 10, 14 p ground. clkt 11 o true output pecl (abv201 8) or lvds (abv2019). no connect for cmos (abv2017). clkc 13 o complementary output pecl (abv2018) or lvds (abv2019). cmos output for (abv2017). sel 4,5,15,16 i multiplier selector pins. these pins have an internal pull-up that will default sel to ?1? when not connected to gnd. vdd 1, 12 p +3.3v power supply. frequency selection table pin #4 sel3 pin #5 sel2 pin #15 sel1 pin #16 sel0 selected multiplier 0 0 1 1 fin x 8 1 0 1 1 fin x 4 1 1 1 0 fin x 2 1 1 1 1 no multiplication all pins have internal pull-ups (default value is 1). connect to gnd to set to 0. electrical specifications 1. absolute maximum ratings 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 temperature* t a -40 85 c junction temperature t j 125 c lead temperature (soldering, 10s) 260 c esd protection, human body model 2 kv exposure of the device under conditions beyond the limits specif ied by maximum ratings for extended periods may cause permanent damage to the device and affect product reliability. thes e conditions represent a stress rating on ly, and functional operations of the devic e at these or any other conditions above the operational limits noted in this spec ification is not implied. * note : operating temperature is guaranteed by design for all parts (commercial and industrial), but tested for commercial grade only .
abv2017/18/19 low phase noise vcxo with mult ipliers (for 65-1 30mhz fund xtal) 30332 esperanza., rancho santa margarita, ca 92688 ph: 949-546-8000 fax: 949-546-8001 www.abracon.com 03/21/05 page 3 2. crystal specifications 3. voltage control crystal oscillator parameters symbol conditions min. typ. max. units vcxo stabilization time * t vcxostb from power valid 10 ms vcxo tuning range f xin = 100 ? 200mhz; xtal c 0 /c 1 < 250 0v vcon 3.3v 200* ppm clk output pullability vcon=1.65v, 1.65v 100* ppm on-chip varicaps control range vcon = 0 to 3.3v 4 ? 18* pf linearity 10* % vcxo tuning characteristic 65 ppm/v vcon input impedance 60 k ? vcon modulation bw 0v vcon 3.3v, -3db 25 khz note: parameters denoted with an asterisk (*) represent nominal charac terization data and are not production tested to any specific limits. 4. general electrical specifications parameters symbol conditions min. typ. max. units supply current (loaded outputs) i dd pecl/lvds/cmos 100/80/40 ma operating voltage v dd 2.97 3.63 v output clock duty cycle @ 1.4v (cmos) @ 1.25v (lvds) @ vdd ? 1.3v (pecl) 45 45 45 50 50 50 55 55 55 % short circuit current 50 ma parameters symbol conditions min. typ max. units cload c l 6.5 pf c0/c1 ratio (gamma) 300 - oscillation frequency of fund. 65 130 mhz
abv2017/18/19 low phase noise vcxo with mult ipliers (for 65-1 30mhz fund xtal) 30332 esperanza., rancho santa margarita, ca 92688 ph: 949-546-8000 fax: 949-546-8001 www.abracon.com 03/21/05 page 4 5. jitter specifications parameters conditions min. typ. max. units 77.76mhz 2.5 155.52mhz 4 period jitter rms 622.08mhz 5 ps 77.76mhz 24 155.52mhz 29 period jitter peak-to-peak 622.08mhz 32 ps integrated 12 khz to 20 mhz at 77.76mhz 0.5 integrated 12 khz to 20 mhz at 155.52mhz 1.5 integrated jitter rms integrated 12 khz to 20 mhz at 622.08mhz 1.5 ps 6. phase noise specifications parameters frequency @10hz @ 100hz @1khz @10khz @100khz units 77.76mhz -75 -95 -125 -145 -155 155.52mhz -75 -95 -120 -125 -123 phase noise relative to carrier 622.08mhz -75 -95 -115 -118 -115 dbc/hz note: phase noise measured at vcon = 0v 7. cmos output electrical specifications parameters symbol conditions min. typ. max. units i oh v oh = v dd -0.4v, v dd =3.3v 30 ma output drive current (high drive) i ol v ol = 0.4v, v dd = 3.3v 30 ma i oh v oh = v dd -0.4v, v dd =3.3v 10 ma output drive current (standard drive) i ol v ol = 0.4v, v dd = 3.3v 10 ma output clock rise/fall time (standard drive) 0.3v ~ 3.0v with 15 pf load 2.4 output clock rise/fall time (high drive) 0.3v ~ 3.0v with 15 pf load 1.2 ns
abv2017/18/19 low phase noise vcxo with mult ipliers (for 65-1 30mhz fund xtal) 30332 esperanza., rancho santa margarita, ca 92688 ph: 949-546-8000 fax: 949-546-8001 www.abracon.com 03/21/05 page 5 8. lvds electrical characteristics parameters symbol conditions min. typ. max. units output differential voltage v od 247 355 454 mv v dd magnitude change ? v od -50 50 mv output high voltage v oh 1.4 1.6 v output low voltage v ol 0.9 1.1 v offset voltage v os 1.125 1.2 1.375 v offset magnitude change ? v os r l = 100 ? (see figure) 0 3 25 mv power-off leakage i oxd v out = v dd or gnd v dd = 0v 1 10 ua output short circuit current i osd -5.7 -8 ma 9. lvds switching characteristics parameters symbol conditions min. typ. max. units differential clock rise time t r 0.2 0.7 1.0 ns differential clock fall time t f r l = 100 ? c l = 10 pf (see figure) 0.2 0.7 1.0 ns out out v od v os 50 ? 50 ? out v diff r l = 100 ? c l = 10pf c l = 10pf lvds switching test circuit lvds levels test circuit lvds transistion time waveform out out out 0v (differential) 0v 20% 80% 20% 80% t r t f v diff
abv2017/18/19 low phase noise vcxo with mult ipliers (for 65-1 30mhz fund xtal) 30332 esperanza., rancho santa margarita, ca 92688 ph: 949-546-8000 fax: 949-546-8001 www.abracon.com 03/21/05 page 6 10. pecl electrical characteristics parameters symbol conditions min. max. units output high voltage v oh v dd ? 1.025 v output low voltage v ol r l = 50 ? to (v dd ? 2v) (see figure) v dd ? 1.620 v 11. pecl switching characteristics parameters symbol conditions min. typ. max. units clock rise time t r @20/80% - pecl 0.6 1.5 ns clock fall time t f @80/20% - pecl 0.5 1.5 ns package information c l a 16 pin narrow soic, tssop ( mm ) soic tssop symbol min. max. min. max. a 1.35 1.75 - 1.20 a1 0.10 0.25 0.05 0.15 b 0.33 0.51 0.19 0.30 c 0.19 0.25 0.09 0.20 d 9.80 10.00 4.90 5.10 e 3.80 4.00 4.30 4.50 h 5.80 6.20 6.40 bsc l 0.40 1.27 0.45 0.75 e 1.27 bsc 0.65 bsc e h d a 1 e b out out 50 ? 50 ? pecl levels test circuit pecl transistion time waveform out out 50% 20% 80% t r t f vdd duty cycle 45 - 55% 55 - 45% 50% out out t skew pecl output skew 2.0v
abv2017/18/19 low phase noise vcxo with mult ipliers (for 65-1 30mhz fund xtal) 30332 esperanza., rancho santa margarita, ca 92688 ph: 949-546-8000 fax: 949-546-8001 www.abracon.com 03/21/05 page 7 ordering information abracon corporation, reserves the right to make changes in its products or specifications, or bo th at any time without notice. the information furnished by abracon is believed to be accurate and reliable. however, abracon makes no guarantee or warranty concerning the a ccuracy of said information 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 : abracon?s products are not authorized for use as critical comp onents in life support devices or systems without the express written approval of the president of abracon corporation. for part ordering, please contact our sales department: 30332 esperanza., rancho santa margarita, ca 92688 ph: 949-546-8000 fax: 949-546-8001 part number the order number for this device is a combination of the following: device number, package type and operating temperature range abv201x o c order number marking package option abv2017oc abv2017oc tssop ? tube abv2017oc-t abv2017oc tssop ? tape & reel abv2017sc abv2017sc soic ? tube abv2017sc-t abv2017sc soic ? tape & reel abv2018oc abv2018oc tssop ? tube ABV2018OC-T abv2018oc tssop ? tape & reel abv2018sc abv2018sc soic ? tube abv2018sc-t abv2018sc soic ? tape & reel abv2019oc abv2019oc tssop ? tube abv2019oc-t abv2019oc tssop ? tape & reel abv2019sc abv2019sc soic ? tube abv2019sc-t abv2019sc soic ? tape & reel part number temperature c=commercial i=industral package type o=tssop s=soic
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