data sheet part number 854920 140 mhz saw filter features ? usable ban dwidth of 18 mhz ? typical 3 db bandwidth of 18.84 mhz ? low loss ? high attenuation ? single-ende d operation, 50 ? ? ceramic surface mount package (smp) ? hermetic ? packag e pin configuration surface mount 13.30 x 6.50 x 1.75 mm bottom vie w 12 11 10 9 8 7 6 5 4 3 2 1 pin no. description 5 o u t p u t 1 1 i n p u t 6 , 1 2 g r o u n d 1 , 2 , 3 , 4 c a s e g r o u n d 7 , 8 , 9 , 1 0 c a s e g r o u n d 1.75 no m. 1.96 max. 0.76 0.79 1.17 x 3.76 1.50 2.54 6. 5 0 2. 18 2.54 13 .3 dimens io ns sh o w n ar e nomi n al in mil limet ers all toler ances are 0.1 5 mm e x ce pt overa ll len g th an d w i dt h 0.10mm body : al 2 o 3 ceramic lid: kovar , ni plate d t e rminations: au plati ng 0.5 - 1.0 m, over a 2 - 6 m ni plati n g subj ect to cha nge or o b so les c ence w i t h o u t notice re v - 15-ma r-20 05 pag e 1 o f 5
data sheet part number 854920 140 mhz saw filter electrical specifications (1) operating temperature: (2) + 2 5 o c parameter minimum t y pical maximum unit center fre quenc y 1 3 9 . 6 1 4 0 1 4 0 . 4 m h z insertion loss at f o - 9 . 1 1 2 d b 1 db band w i dth 1 7 . 2 5 1 7 . 6 9 - m h z 3 db band w i dth 1 8 1 8 . 8 4 - m h z 35 db bandw idth - 2 2 . 7 9 2 4 . 1 m h z 40 db bandw idth - 2 2 . 7 9 4 8 m h z passband ripple 132.8 - 147.2 mhz - 0.63 1 db phase linearity 132.8 - 147.2 mhz - 6 10 deg group dela y variation 132.8 - 147.2 mhz - 64 120 nsec temperature coefficient - - 9 4 - ppm/ o c source impedance (3) - 5 0 - ? load impedance (3) - 5 0 - ? notes : 1. all spec ificatio ns are bas ed o n the test circui t sho w n be lo w 2. all spec ificatio ns are te sted a t room tempera t ure onl y 3. t h is is the optimum impe dan ce in ord e r to a c hiev e the perf o rmanc e sho w n test circuit: actual matchi n g valu es ma y v a r y d ue to pcb la yout an d par asitics 50 ? sing le-e nd ed input 1, 2, 3, 4, 6 7, 8, 9, 10, 12 50 ? 10p f 11 5 120nh 50 ? 22pf 120nh 50 ? sing le-e nd ed output subj ect to cha nge or o b so les c ence w i t h o u t notice re v - 15-ma r-20 05 pag e 2 o f 5
data sheet part number 854920 140 mhz saw filter typical performance (at +25 o c) subj ect to cha nge or o b so les c ence w i t h o u t notice re v - 15-ma r-20 05 pag e 3 o f 5
data sheet part number 854920 140 mhz saw filter matching schematics actual matchi n g valu es ma y v a r y d ue to pcb la yout an d par asitics 50 ? sing le-e nd ed input 1, 2, 3, 4, 6 7, 8, 9, 10, 12 50 ? 10p f 11 5 120nh 50 ? 22pf 120nh 50 ? sing le-e nd ed output marking pcb footprint xxxxxx da te co d e id do t sawtek 854920 1. 70 13. 51 .9 9 1. 55 8. 61 3. 53 .9 9 1. 70 6. 70 t he date code consists of: da y of the curre nt y e ar (juli an, 3 dig i ts), last digit of the y e ar (1 dig i t) and h o u r (2 dig i ts) t h is footprint repres ent s a re commen datio n onl y dimens io ns sh o w n ar e nomi n al in mil limet ers tape and reel a a 24 1.7 5 11.5 ?1 . 5 2. 3 13 .9 4.0 ?1 .5 2. 0 0. 3 12.0 7. 1 se c t io n a- a dimens io ns sh o w n ar e nomi n al in mil limet ers packag i ng qua ntit y : 20 00 u n it s/reel directi on of travel ?3 30 24 . 8 2.7 ?102 ?1 3.0 ?20.2 2.0 id dot subj ect to cha nge or o b so les c ence w i t h o u t notice re v - 15-ma r-20 05 pag e 4 o f 5
data sheet part number 854920 140 mhz saw filter maximum ratings parameter sy m bol minimum maximum unit storage temperature range t stg - 4 0 + 8 5 o c warnings ? electrostatic sensitive device (esd) ? avoid ultrasonic exposu r e material content ? does not co ntain lead ( p b) or other rohs restricted materials links to additional technical information pcb layout tips qualification flowcha r t s-parameters saw t ek?s liability is lim ited only to t he surface acou stic wave (saw) component(s) d e scribed in this d a ta sheet. sa w t ek does n ot accept any liability for applications, processes, circuits o r asse mblies w h ich are implement ed using an y sa w t ek compo nent described in this data sheet. contact information po box 6095 01 orlan do, fl 3 2860 -95 01 usa phone: +1 (4 07) 88 6-886 0 fax: +1 (40 7 ) 886-7 061 email: cust se rv ice @ sa wt e k . c o m web: www.s awtek . c o m or conta c t on e of our wo rld w ide network of sales offices , rep r e s entati v es or di strib u tors solderi ng pro f ile other te ch ni cal inform atio n subj ect to cha nge or o b so les c ence w i t h o u t notice re v - 15-ma r-20 05 pag e 5 o f 5
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