w w w . se m t e c h . c o m page 1 SX1272/73 - 860-1050 mhz ultra low power long range t ransceiver SX1272/73 wireless & sensin g rev. 0 . 0 11th july 2 0 1 2 semtech s sx1 2 72/ 7 3 family p r ovid e s ultr a lon g r a n g e whil e mai n t a i n ing l o w cu r r e n t consu m ptio n , m a king it o p ti m a l fo r nu m e r ous a p plicatio n s . w i t h s e m t ech s p a t e n t ed m o d u la t io n t ech n iq u e t h e d e vic e c a n a ch ie v e s e n si t ivity o f o v e r - 1 3 8 . 5 d b m using a l o w cos t c r y s t a l and bill of material s. the high sensitivit y c o mbine d wi t h t h e i n t e g r a t ed + 2 0 d b m p o w e r a m pli f i e r cr e at e s t h e hi g hest link bu d g e t m a king it o p ti m a l for a n y a p plicatio n r e qui r in g r a n ge . t hi s m o d u la t i o n t e c h ni q ue al s o p r o v id e s si g n ificant a d v a n t a g es in bl o ckin g a nd sel e ctivity ove r fsk . th e devices also su p po r t hig h pe r fo r m a n c e (g)fsk fo r w m bus, ieee802.15.4g, and other legacy modes . semtech s techn o lo g y ov e r com e s a typical tr a de - o f f o f pe r f o r m a n c e v e r s u s c u r r e nt c on s u m p t io n . t h e d ev ic e s de l iv e r exceptio n a l p h ase n o is e , sel e ctivit y , r e ceive r lin e a rit y , an d iip3 f o r sig n ifica n tly lowe r c u r r e n t consu m ptio n t h an compe t ing de v ices. t h e d e vices cov e r t h e f r e qu e ncy b an d f r om 8 6 0 - 10 5 0mhz . a u t o mat e d mete r r e adi n g h o me a n d buildi ng autom a tio n wire le s s al a r m an d sec u r ity syst e m s i n du str i a l m oni t o r in g a n d co n t r o l 1 58 d b m a x i m um lin k b u dg e t +2 0 dbm - 1 0 0 m w co nst an t r f ou tp u t vs . v su pp ly +1 4 d b m hig h e f ficie n cy p a p r og r a m ma b le bi t ra t e u p t o 3 0 0 kb p s high s e nsitivity: do w n to -138.5 db m bullet-proof front end : ii p 3 = -12 dbm with fs k 1 00 d b b l ocki n g imm u nit y l o w rx cur r e n t of 1 0 m a , 2 0 0 na r e gist e r r e tentio n f u lly i n t e g r ate d synthesize r with a r e sol u ti o n of 6 1 h z f s k, gfsk, m s k, g m sk, lora a n d ook m o dul a t i o n s built -in b it s ync hr on iz e r fo r clo c k r e c o v e r y sync w o rd recognitio n p r ea m bl e d e tecti o n 1 1 5 d b + dyna m ic ran g e rss i a ut o matic rf s en s e wi t h ult ra- f as t af c p a ck et en gin e u p t o 64 b yt es wi t h cr c b u il t - in t em p e r a t u r e s e nso r a nd l o w b a tt e r y i n dica t o r general descriptio n applic a t ion s key p ro duct fe a t ures o rde ri ng i n fo rma t io n part numbe r d e live r y m o q / m u lt i p l e sx 1 27 2 t& r 300 0 p iece s sx 1 27 3 t& r 300 0 p iece s l n a s i n g l e t o d i e r e n t i a l m i x e r s / ? m o d u l a t o r s d e c i m a? o n a n d & fi l t e r ing d e m odul at o r & b i t s y n c h r oni z e r i n t e r p o l ? o n & fil te r in g m odul at or p a c k e t e n g ine & 66 b y t e s fifo c o n t r o l re g i s te r s - s h i l r e g i s t e r s - s p i i n t e r f a c e r s s i a f c d i v i s i o n b y 2 , 4 o r 6 f r a c - n p l l s y n t h e s i z e r x o 3 2 m h z x t a l p a 0 p a 1 & 2 t a n k i n d u c t o r l o o p f il t e r r f i o p a _ b o o s t r e s e t g n d p o w e r d i s t r i b u ? o n s y s t e m v b a t 1 & 2 v r _ a n a v r _ d i g v r _ p a r a m p & c o n t r o l r c o s c ill a t o r g n d s p i d i o 0 r x t x d i o 1 d i o 2 d i o 3 d i o 4 d i o 5 l o r a d e m o d fs k/ o o k d e m o d lo r a mo d fsk/ o o k m o d l ogo by k atie modied version
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