RFM210LW HOPE | Alldatasheet
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1.0 Pa g e / 17 E ma i l:sal e s @hoper f .co m w e b si t e://ww w .hoper f .com F eat u res Frequen c y Range: 315 33.92 M H z S y m bol R a te: 0.1 to 3.4 k b p s Sen s it i v i t y 08dBm at k bp s 0.1% BER Receiv e r Ba n d w idth k H z Ima g e R e ject i o n R a tio d B Larg e Si g na l Handl i ng d B m Supp l y V o l ta g 1.8 to V Low P o w er C o nsu m ption: M a m A MHz m A M H z L o w Sleep C u rrent R o HS C o m p l i ant Module Si z 2*11*5.0 m m D escri p t i o n s Th e RFM210LW i s a n u ltr a lo w cost lo w po w er, hig h per f orm a nc e OO K sta n d alon e RF r e ceive r f or 315/433.9 MH z w ireles s
applications
I t i s p a r t of th e CMOSTE K Ne x tGenR F T M famil w hich include s a c o mplet e lin e o f transmit t ers receivers an d trans c ei v ers T he RFM210LW i s a t r u e plug an d ru n device n o regist er conf i guratio n an d manually tun e i s requ i red Th e RFM210LW op e rat es from V to3 V finel y wor k til l th e en d o f mo st batteries po w er I t consume s m A curren t w hi le achievin g dB m rece i vin g s ensitiv i t y at MH z an d consume s m A curren t w hile achievin g dB m re c eivin g sensiti v it y at433 .92 MHz. RFM210LW RFM210LW A p p licati o n s z L o w Co s t Co ns u m e r Ele c tr o ni c s Appli c ati o n s z Ho m e and Building Aut o m at i on z In f r ared R ec ei v er Repla c e m ents z Indu s trial M onitoring a n d Controls z Re m ote A u t o m ated M eter R eading z Re m ote L i ghting Control Sy s tem z W i r e le s s Alarm and Se cu rity S y s t e m s z Re m ote K e y le ss Entry (RKE)
1.0 Pa g e / 17 RFM210L W E ma i l:sal e s @hoper f .co m w e b si t e://ww w .hoper f .com A b b r e v iati ons Abbre v iations u s ed in th i s data s heet are d e sc r ibed below A G C Auto m at i c G a i n Control P C Per s onal Co m puter A N Appli c a t ion N o tes PC B Printed Cir c uit Board BER Bit Error Rate P L L Pha s e Lo c k L oop B O M Bil l o f M ate r ia l s PN Pseudorand o m N o i s e BSC Ba si c Spa c ing be t w een Ce n ters P O R P o w er On Re s et BW Ban d w i dth DC D i re c t Current EE PR O M Ele c tri c a lly Era s able P r ogr a m m able Read O nly M e m o ry PU P P o w er Up QF N Q uad Flat No l ead RF Radio Frequen c y RFPDK RF Produ c ts De v elop m ent K i t ES D Ele c tro Static D i sc harge RoHS Re s tri c tion o f Ha z ardous S u b s tan c es ES R Equi v alent S e ries Re s i s ta nc e RSS I Re c ei v ed Sig n al Strength I n d ic ator Ext E x t e nded Rx Re cei v ing R ecei v er IF Inter m ediate F r equen c y S A R Succe s s i v e A p pro x i m ation Regi s ter L N A Low Noi s e Ampl i f ier SP I Serial Port In t er f ace LO Lo c al O sc i lla t or T H Thre s hold L P O S C Lo w P o w er O s cillato r T x T r an s m i ss i on, T r an s m i tter M ax M a x i m u m T y p T y p ic al M CU M i c r ocontroller Unit USB Un i v er s al Ser i al Bus M in M i n i m u m VC O V oltage Controlled O s c illator M O Q M i ni m u m Or d er Q uantity W O R W a k e O n Rad i o NP0 Negati v e Po s i ti v e Zero X O S C C ry s tal O scill a tor NC Not Conne c t e d X T A L t al Cr y s tal OO K O n O f f Ke y i ng
1.0 Pa g e / 17 RFM210L W E ma i l:sal e s @hoper f .co m w e b si t e://ww w .hoper f .com T a b l e o f C o n te n t s E lec t r ic a l Ch a ract e r i s t i c s .... .... .... 1.1 Re c om m ended Ope r a t i o n Con d i ti o n s 1.2 A b s olute Maxi m um Rat i ngs .... ... ... 1.3 Re c e i v er S pe c i f i c a t i on s ... ... 1.4 C r y s tal Os c i l l a t or ... ... ... ... 1.5 L P O S C ... ... ... ... P in D e sc r i pt ions ... ... .... T y p ical P e rf o r ma n c e Ch a r a c t e r i s t i c s ... .... ... T y p ical A p p l i c a t i o n S c h e m a t ic .... .... .... ... .... .... Fun c t io n al D e s c r ip t i o n s ... .... .... 5.1 O v e r v i e w ... ... ... 5.2 Mod u la t i o F r e q uen c y a nd S y m b ol R at e ... ... ... M a i n C on f i gr at i on ... ... ... .... ... .... ... .... ... 5.4 Inte r n a l B l o c k s De s c ripti o n ... ... 5.4.1 RF F r ont e n d a n d A G C ... 5.4.2 IF F i l t e r ... 5.4.3 R S S I ... 5.4.4 S A R A D C ... 5.4.5 C r y s t a l O s c i l lat o r 5.4.6 F r eq uen c y S y n t h e s i ze r ... 5.7.7 L P O S C 5.5 O perat i o n St a t e s ... ... .... 5.6D uty c y c le r e ceiv e m o de... ... O r d eri n g I n f o r m a t i o n ... .... .... .... ... P a c k a g e O u t li n e ... .... C on ta c t I n f o r m a t i o n .... .... .... ... ...
W Rev 1.0 Pa g e / 17 E ma i l:sal e s @hoper f .com w e b si t e://ww w .hoper f .com Elec t r i c a l Ch arac t eri s tics VDD 3.3 V T OP F RF 433.92 M H z sensiti v iti e s are m ea s ur e d in re c ei v ing a PN9 s eque nc e and m at c hing to Ω i m p e d an c w i th the BER of A ll m e asurem e nts are per f or m ed u s ing the board RFM210LW E M V1.0, unle s s othe r w i s e noted. 1.1 Recommended Ope r ation Conditions 1.2 A b solute Maxi m um R a t i ngs T a b le A b s o l u t e M a xim u m R a t i n g s Par a m e t er S y m b o l Cond i t i ons M in M ax Unit Supply V ol t a g e V DD 0.3 3.6 V Inter f a c e V o lt a ge V IN 0.3 V DD 0.3 V J un c tion T e m p era t ure T J 125 Storage T e m p e r ature T S T G 150 Soldering T emperat u r e T SD R La s ts at l e a s t s e c on d s 255 ESD Rating [2] Hu m an B o d y M odel B M kV Lat c h up Current 100 100 mA Notes: [1]. Stre ss es abo v e tho s e l i st ed as “ab s olute m a x i m um rating s m a y c a us e per m anent d a m age to t he d e v ic This is a s tre s s rating only a nd f un c t i onal operation o f t h e de v i c e under t he s e c onditi o n s is not i m p l i e E x po s ure to m a x i m u m rating c onditions f or e x tended periods m ay af f e c t de v i c e relia b i l i t y [2]. The RFM210LW i s h i gh p e r f o r m ance R F integrated ci r c ui t s w i th VC O N/P pins h avi ng a n E S D ra t i ng k V HB M Handli n g and a ss e m b l y of this de v i c e s hould only b e done at ES D prote c ted w o r ks tatio n s C a utio n E S D sens i t i ve de vi ce P r e c aut i o n s hou l d b e us e d w hen ha n d l i n g th e de vi c e i n o r de r t o p r e v en t pe r ma nen t d a ma g e
W Rev 1.0 Pa g e / 17 E ma i l:sal e s @hoper f .com w e b si t e://ww w .hoper f .com 1.3 R ecei v e r Specif i cat i o ns T a b le R e cei v er S p eci f i c a t i o n s Par a m e t er S y m b o l Cond i t i ons M in T y p M ax Unit Frequen c y Range F RF 300 480 M H z S y m bol Rate SR 0.1 3.4 k bps Sensi t i v i ty S 315 F RF 315 M H z SR 2.4 k b p s BER 0.1% dBm S 433. F RF 433.92 M H z S R kb p s BER 0.1% dBm Saturation In p ut Signal Le v el P L V L dBm W o r k ing Curr e nt I DD F RF 315 M H z 3.5 mA F RF 433.92 M H z 3.8 mA Sleep Current I S L EEP W h en sl eep t i m er is o f f nA Frequen c y Re s olution F RE S 24.8 Hz Frequen c y S y n t he s i z er Sett l e T i m e T LOCK Fr o m X O S C s ettled 150 us Blo c k i ng I m m unity BI SR k bp s M H z o f f s et, C W inter f eren c e dB SR k bp s M H z o f f s et, C W inter f eren c e dB SR k bp s M H z o f f s e t C W inter f eren c e dB I m age R e j e c tion Ratio I M R IF 280 kH z dB Input r d Or der Inter c ept Point IIP3 T w o tone te s t at M H z and M H z o f f s et f r equen c y M a x i m u m s y s tem gain s ettings dBm Re c ei v er Ba n d w i dth BW 200 k Hz Re c ei v er Star t up T i m e T S T A R T U P Fr o m p o w er up to re c ei v e 7.3 ms
W Rev 1.0 Pa g e / 17 E ma i l:sal e s @hoper f .com w e b si t e://ww w .hoper f .com 1.4 C r y s t a l Osc i llat o r Pa r ame t e r S y mbol Cond iti on s M i n T y p Max Un i t C r y st a l F r equen c y F X T A F R F M H z M H z F X T A F R F 433 M H z M H z C r y st a l T o l e r ance ppm Lo a d C apac i ta n c e C L O A D pF C r y st a l ESR Rm Ω Driv e Level 100 uw Agin g Pe r Y ear ppm X T A L S t a rt u p T i m e t X T AL 400 us No t e s T h e RFM210LW c a n d i r e c t l y w o r k w i t h e x t e r na l r e f e r en c e c l o c k inpu t t o X I N p i n a c oupl i n g c ap a c i t o r i s r e q u i r ed w i t h pea k t o pea k a m pl i t ud e o f t o V T h i s i s t h e t o t a l t o l e r anc e i n c l u d i n g i n i t i a l t o l e r ance c r y s t a l l oa d i ng ag i ng an d t empe r a t u r e d e p e nden c e T h e a cc ep t a b l e c r y st a l t o l e r anc e dep e nd s o n R F fr eq u en c y a n d c hanne l s p a c i n g b a nd w i d t T h i s p a r a m e t e r i s t o a l a r g e de gr e e c r y st a l depe n d e n t
W Rev 1.0 Pa g e / 17 E ma i l:sal e s @hoper f .com w e b si t e://ww w .hoper f .com Pi n D es c ri p t i on s Figure 2. Pin Diagram T a b le RFM210LW P in D e s c r i p t i on s Pin N u m b e r Na m e I/O Descripti o n s G ND I Gr ou nd D A T A O R e ceived d a t a output V DD I Pow e r s up ply input C LK I wire SPI c l ock input for EEPROM progra m m i ng S DA I/O wire SPI data input and output for EEPROM pr og r ammi ng C SB I wire SPI chip select input for EEPROM pr og r ammi ng I G ND I G ro u nd A N T I RF signal input to the LNA G ND I G ro u nd G ND I G ro u nd
W Rev 1.0 Pa g e / 17 E ma i l:sal e s @hoper f .co m w e b si t e://ww w .hoper f .com V V V M Hz M H z S e n s i t i v it y d B m S e n s i t i v it y d B m C u rr e nt C on s u m p ti o n m A S e n s i t i v it y d B m S e n s i t i v it y d B m C u rr e nt C on s u m p ti o n m A T y pical Perf o rma n ce C h aract e ristics C u rr e n t v S up p l y V o l t a g e C u rre n t v s T e m p e r a t u re 433 M H z M H z Supp l y V o l t a g e V T e m p e r a t u r e F i gu r e C u r re nt v V ol t a g F RF 433 M H z S R = 1 k bps F i gu r e C u r re nt v T e m p e r a t u re, F RF 433 M H z S R = 1 k bps S e n s i t i v it y v s S uppl y V o l t a ge S e n s i t i v it y v s T em p era t u re S up p l y V o l ta ge V T e m p e r a t u r e F i gu r e Se n s i t i v i t y v S upp l y V o l t a g S R kbps B E R F i gu r e 3.4 S e n s i t i v i t y v s T em p e r at u r e F RF M H z V DD V S R = 1 k bps B E R S e n s i t i v it y v S y m bo l Ra te S e n s i t i v it y v B E R S y m bo l R a t e k b p B E R F i gu r e S e n s i t i v i t y v S F RF M H z V DD V B E R F i gu r e Se n s i t i v i t y v s B E R F RF M H z V DD V S R = 1 k bps
1.0 Pa g e / 17 RFM210L W E ma i l:sal e s @hoper f .co m w e b si t e://ww w .hoper f .com Figure 9: Typical Application Schematic
1.0 Pa g e / 17 RFM210L W E ma i l:sal e s @hoper f .co m w e b si t e://ww w .hoper f .com LP OS C X O SC Func ti onal Descript i ons R F I G N D L N A I MX R Q M X R I m a g e R e je c tion Ban d pa ss Fi l t er I L M T R S SI Q L M T S A R A G C O O K DE MO D A F C A G C Ra d i o Co n t r o l l er w i re S PI C S B SCL S D A LO GEN VCO Loop Fi l t er PF D CP M H z V DD G N D LD O s Bandgap P O R D I VID E R A F C Σ Δ M o d u l a t o r E EPR O M CLKO D O UT V C O N VC O P nR S TO X I N X O U T F i gu r e F u n c t i on al B l o c k D i a g r am 5.1 O v e r v i ew The RFM210LW is an ultra l o w p o w er, high p er f or m ance, l o w c o s t O O K s t and alone R F re c ei v er f or v a rious 300 480 M H z w i re l e s s appli c a t ion s It is part o f the C M O S T E K N e x t G enR F T M f a m il y w hi c h in cl udes a c o m plete line o f tran s m i tter s re c ei v ers and t r an sc ei v er s The c hip is ba s e d on a f u l l y i n tegrated, l o w I F re c ei v er ar c hite c ture. The lo w I F a r chit e ctu r e f a c ilitat e s a v e r y l o w e x te r na l c o m po n ent count and does not s u f f e r f r om po w e r line induced inter f eren c e proble m s The s y nthe s i z er c o n tains a VCO a nd a l o w noi s e f r a c tion a l N P LL w i th an ou t put f r equen c y resolution o f 24.8 H z The V CO operates a t the L o cal O scillator L O f r equency to reduce spurio u s e m is s i on s E v ery analog blo c k is c a libr a ted on ea c h P o w er on Re s et O to t h e internal re f ere n c e v oltage. The c alibration helps the de v i c e to f i n e ly w o r k under d i f f erent te m perat u r e s and s upply v oltage s The b a s eband filt e r ing and de m odulation is done by the digital demo du lato r The demodulated si gnal is output to t h e e x ternal M C U v i a the D O UT pin. No e x tern a l MCU c ontrol is ne e ded in the ap pl i c atio n s The w i re S P I inter f a c e is o nly u s ed f or c o nfiguring t he de v i c The con f iguration c an be done w i th t he R F PDK a n d the U S B Pro g ram m e r The R F Frequen c y sy m bol rate a n d o t her prod uc t f eatures are all co n figur a ble. This sa v e s the c o s t and s i m pl i fies the d e si gn, de v elo p m ent and m a n uf a c ture. A l te r nati v el y in s t o c k produ c ts o f 315/433.92 M H z are a v ai l able f or i mm e d i ate de m an d s w i th no need of E E P R O M p r ogr a m m i ng. T h e RFM210LW o perates f r om 1.8 to 3.6 V s o that it c an fi n e ly w ork w i th m o s t batteries to their u s e f u l po w er li m it s T h e re c ei v e c urrent is only m A T he RFM210LW r e c e i v e r together w i th t he C M T21 x t ran s m i tter enables an ultra l o w c o s t RF lin k 5.2 Modulation, Fr e qu e n c y and S y m bol Rate The RFM210LW s upports O OK de m o d ulati o n w i th the s ym b ol rate f r om 0.1 to k bp s I t continuou s ly c o v ers the f r equen c y ra n ge f r om 300 to 480 M H z in c l uding the l i c en s e f r ee ISM f r equen c y band around 315 M H z and M H z The int e rnal f r equen c y s y nthe s i z er c ontains a hig h purity VCO a nd a l o w noi s e fra c tiona l N P LL w i th an output f r equen c y re s olution o f 24.8 H z See T able f or t h e de m odulation, f r equen c y and s y m bol ra t e in f or m ation.
W E ma i l:sal e s @hoper f .com w e b si t e://ww w .hoper f .com Rev 1.0 Pa g e / 17 T a b le M o d u la t i on F r e qu en c y a n d S y mbo l R a te Par a m e t er V al u e U n i t De m odulation O OK Frequen c y 300 to 480 M H z Frequen c y Re s olution 24.8 Hz S y m bol Rate 0.1 to 3.4 kbps 5.3 Main C onfigurations Unl i ke o t he r Ne x t Gen R F T M r e c e i ve rs t h e RFM210LW d oe s no t n e e d a n y r eg i st e r c on tr o l o r manufa ct u r i n g p r og r a mm i ng T he c on f i gu r a t i o n o f t h e dev i c e i s f i x e d i n o r de r t o s av e t h e d e ve l opmen t e f f o r t r e d u c e s y st e m c o s t an d s i mpl i f y th e manu f a ct u r i ng p r o c e ss T h e m a i n c on f i gu r at i o n s a r e l ist e d i n th e t ab l e b e l o w P l e a s e no t e t ha t i f mo r e f l e x i b i l i t y i s need e d i n t he s y st em t h e u s er c a n u s e o t he r N e x t Ge n RF T M r ece i ve r s li k e C M T2210 A a n d e tc Fo r t ho s e p r od u cts a n embed d e d EE P RO M i s avai l a b l e o n c h i p f o r t h e u s e r t o c on f i gu r e al l t h e p r odu c t f ea t u r e s 5.4 Internal B l ocks D e sc r ipt i on 5.4.1 RF F r o n t end a n d A G C T h e RFM210LW f ea t u r e s a l o w I F r e c e i ve r T h e R F fr on t en d o f th e r e c e i ve r c o n sis t s o f a L o w No i s e Am p li f i e r LNA Q m i x e r an d a w i d e ban d powe r de t e ct o r On l y a l o w c o s t i ndu ct o r an d a c apa c i t o r a r e r equ i r e d f o r ma tc hin g t h e L N A t o a n y Ω an t e n na s T h e i npu t R F s i g n a l in du c e d o n th e a n te nn a i s am p l i f i e d an d d o w n c o n ve rt e d t o t h e I F fr equ e n c y f o r f u rt her p r o c e s s i ng. B y me a n s o f t h e w i de b an d po w e r de t e ct o r an d t h e a tt en u a t i o n ne t w o rk s bu i l t a r oun d t h e L N A t h e Au t oma t i c G a i n C o n tr o l A G C l oo p r eg u l a t e s t h e R F fr on t end s ga i n t o ge t t h e be s t s y s t e m li n ea r i t y s e l ec t i v i t y an d s en s i t i v i t y pe rf o r m an c e , e v e n t ho u g h t he r e c e i ve r s u f f e r s fr o m str on g ou t o f ban d i n t e rf eren c 5.4.2 IF Fi l t er T h e s i gn a l s c o m i n g fr o m t h e R F fr on t en d a r e f i l t e r e d by t h e f u ll y i n t eg r a t e d r d o r de r ba n d pas s imag e re j e c t i o n I F f il t e r w h i c h
W E ma i l:sal e s @hoper f .com w e b si t e://ww w .hoper f .com Rev 1.0 Pa g e / 17 a c h i ev e s ove r 25 d B i m ag e re j e ct i o n r at i o t y p i c a l l y T h e I F c en t e r fr equen c y i s d y n a m i c al l y ad j u st e d t o en a b l e th e I F f il t e r t o l o c a t e t o t h e r i g h t f r equen c y b a n d t hu s t h e r e c e i ve r s en s i t i v i t y a n d ou t o f ba n d i n t e rf e r en c e a tt enua t i o n p e rf o r man c e a r e k ept op t i m a l d e s p i t e t h e ma n u f a ct u r i n g p r o c e s s t o l eran c e s T h e I F b an d w i d t h i s f i x e d a t k Hz. 5.4.3 R S S I T h e s ub s e q u e n t mu l t i st a g e Q Lo g a m pl i f i er s e nhan c e t h e ou t p u t s i gna l fr o m I F f i l t e r be f o r e i t i s f e d f o r demodu l a t i o n R e c e i ve S i gn a l S tr eng t h In d i c a t o r (RSS I gene r a t o r s a r e i nc l ude d i n bo t h Lo g a m pl i f i er s w hi c h p r odu c e D C v o l t age s t h a t a r e d i r e c t l y p r opo rt i on a l t o t h e i npu t s i gna l l eve l i n bo t h o f I an d Q pa t h T h e r e s u l t i n g RSS I i s a s u m o f bo t h t he s e t w o pa t h s E x t e n d i n g f r om t h e nom i na l s e n s i t i v i t y l eve l t h e RSS I a c h i eve s d y n am i c r ang e o ve r dB. T h e RFM210LW i n t eg r a t e s a pa t en t e d D C o f fs e t c an c e l l a t i o n e n g i ne T h e r e c e i v e r s en s i t i v i t y p erf o r man c e be n e f i t s a l o t fr o m t he no v e l f a s t an d a cc u r a t e D C o f f se t r emova l i m p l emen t at i on. 5.4.4 S A R A D C T h e o n c h i p b i t SA R AD C d i g i ta l i ze s t h e R S S I f o r OO K demo d u l at i o 5.4.5 C r y s ta l O sc i lla t o r T h e cr y st a l os c i l l a t o r i s u s e d a s t h e r e f e r en c e cl oc k f o r t h e PL L fr equ e n c y s y n t h e s i ze r an d s y st e m c l oc k f o r t h e d i g i t a l b l oc k A c r y st a l s hou l d b e u s e d w i t h ap p r op r i a t e l oa d i n g c apac i t o r s C a n d C i n F i gur e 9 o f P a g e T h e v a l u e s o f t h e l oa d i ng c apac i t o r s dep e n d o n th e t o t a l l oa d c apac i t anc e C L s p e c i f i e d f o r t h e c r y s t a l T h e t o t a l l oa d c a pa c i t anc e s ee n be t w e e n t h e X I N an d XOU T p i n shou l d e q u a l C L fo r t h e c r y s t a l t o os c i l l a t e a t des i r e d fr equ e n c y C L C C C p arasit i c T h e p a r as i t i c c a pa c i t anc e i s c o n st i t u t e d b y t h e i npu t c apa c i t a n c e an d PC B tr a y c apac i t an c e T h e E S R o f t h e c r y st a l s hou l d be w i t h i n t h e s pe c i f i c a t i o n i n o r de r t o en s u r e a r e l i a b l e st a r t up A n e x t e r na l s i g na l sou rc e c a n eas i l y b e u s e d i n p l a c e o f a c onven tio na l X T A L a n d s h o u l d be c onne ct e d t o t h e X I N p i n T h e i n c o m i n g c l o ck s i gn a l i s r e c ommen d e d t o h a v e a p ea k t o peak s w i n g i n t h e r ang e o f m V t o m V a n d A C c ou p l e d t o t h e X I N p i 5.4.6 F r e q u en c y S y n t h esi z e r A fr a ct i o n a l N f r equen c y s y n t h e s i ze r i s u s e d t o gene r a t e th e L O fr equ e n c y f o r t h e d o w n c on v e rs i o n Q m i x e r T h e fr eq u en c y s y n t he s i ze r i s f u l l y i n t eg r a t e d e x c ep t t h e VC O t an k i ndu ct o r w h i c h enab l e s t h e u ltr a l o w p o w e r rec e i ve r s y st e m d e s i gn Us i n g t he MH z r e f e r en c e c l o c k p r o v i d e d b y t h e c r y st a l os cil l a t o r o r t h e e x t e r na l c l o c k sou rc e i t c a n ge n e r a t e r e c e i v e fr equen c i e s o f an d MH z w i t h a fr equen c y r e s o l u t i o n o f Hz. T h e VC O a l w a y s ope r a t e s a t x o f L O fr equen c y A h i g h Q at V C O fr equen c y t an k i nd u ct o r s h ou l d b e c hose n t o en s u r e t he VC O o s c i l l a t e s a t a n y c ond i t i o n s mea n w h il e b u r n s l e ss po w e r an d ge t s be tt e r pha s e no ise per f o r m an c e I n add i t i on p r oper l y l a y ou t t h e i n d uc t o r ma tt e r s a l o t o f a c h i ev i n g a g oo d p ha se n o i s e pe rf o r m an c e an d l e s s s pu ri o u s em i s s i on T h e r e c ommended VC O i nd u ct o r s fo r di f f e r en t L O f r eq u en c y b a nd s a r e s ho w n a s b el l o w T a b le V CO I ndu c t or f o r M Hz F r e qu e n c y B a nd L O F r eq u en c y B a n d M Hz) 315 433 VC O I ndu ct o r nH) Mu l t i p l e s u b s y s t e m c a l i b r a t i on s a r e pe rf o r m e d dynam i c al l y t o e n s u r e t h e fr equen c y s y n t he s i ze r ope r a t e s r e l i a b l y i n a n y wo rk i n g c ond i t i o n
E ma i l:sal e s @hoper f .com w e b si t e://ww w .hoper f .com Rev 1.0 Pa g e / 17 RFM210L W 5.5 Operation States As the RFM210LW is o p er at i ng in duty cycle r e ceiving m o d e,the d evice will g o through the states sh o wn a s t he figure b e lo w after the p o wer up. P o w e r U p P U P S t a t e O n c e t h e d ev i c e i s po w e re d u t h e d ev i c e w il l g o t h r o u g h th e P o w e r U p PUP s eq u en ce wh i c h i n c l u d e s t h e t a s k o f r e l ea s i n g t h e Po w e r O n Re s e t POR t u r n i n g o n t h e c r y st a l an d c a l i b r a t i n g t h e i n t e r na l b l o ck s T h e PU P t a k e s abou t m s t o f i n i s h i n t he a l w a y s r e c e i v e mode T h e ave r a g e c u rr en t o f t h e PU P s eque n c e i s a bou t mA. SLE E P S t a t e I n t h i s st a t e a l l t h e i n t e r n a l b l o ck s a r e p o w e r e d d o w n e x ce p t t he s l ee p t i me r Th e s l ee p t i m e i s f i x e d a t m s T h e s l ee p c u r r e n t i s ab o u t nA. X T A L S t a t e O n c e t h e dev i c e w a k e s u p fr o m t h e SLEE P S t a t e t h e c r y st a l o s c ill a t o r r e st a r t s t o w o rk T h e c u r r e n t c on s u m p t i o n i n t h i s st a t e i s ab o u t uA. T U N E S t a t e T h e d ev ic e i s t u ne d t o t h e de s i r e d fr equ e n c y a n d re ad y t o r e c e i ve I t u s ua ll y t a k e s app ro x i m a t e l y u s t o c o m p l e t e t h e t un i ng s equen c e T h e c u rr en t c on s u m pt i o n i n t h i s st at e i s abou t 2 mA. R X S t a t e T h e d ev ic e r e c e i ve s t h e i n c o m i n g s i gn a l s a n d o u t pu t s t h e de m o du l a t e d d a t a o n th e DOU T p i n T h e c u rr en t i n th i s s t a t e i s abo u t m A MHz o r m A MHz
E ma i l:sal e s @hoper f .com w e b si t e://ww w .hoper f .com Rev 1.0 Pa g e / 17 RFM210L W 5.6 D u t y C y c l e R ecei v e Mode I n t h e du t y c y c l e mode a f t e r t he PU P t h e d e v i c e w il l au t oma t i ca l l y r epea t t h e s e q uen c e o f S L E E P X T AL T UN E a n d R X un t i l t h e dev i ce i s po w e r e d d o w T h i s a ll o w s t h e dev i c e t o r e t un e t h e s y n t he s i ze r r egula r l y t o ad e p t t o t h e c hang e a b l e e nv i r o n m en t and t he r e f o r e r ema in i t s h i g h e s t per f o r m an c e T h e d ev ic e w il l c onti n uous l y r e c e i v e a n y i n c om i n g s i gna l s du r i n g t h e R X st a t e and s en d ou t t h e de m o d u l a t e d d a t a o n t h e DOU T p i n T h e P U P s e quen c e c on s um e s ab o u t 4 m s S e e t h e f i gu r e bel o w f o r t h e t i m i n g an d c u rr en t c o n s ump t i o n o f t h e du t y c y c l e r e c e i v e mode T h e a dv a n t a g e s o f t h e du t y c y c l e r e c e i v e mod e a r e li st e d b e l o w Ma i n t a i n i n g t h e h i gh e s t pe rf o r m an c e o f t h e dev i c e by re gu l a r fr equ e n c y r e t un I n cr ea s i n g t h e s y st e m st ab i l i t y b y r egu l a r s l ee p r e s e tt i n g mo s t o f t h e b l o c k I f mo r e c u r r en t s av i n g i s r eq u i r e d i n t h e appl i ca t i on o r o t he r pa r ame t e r ne e d t o b e c on f i gu r ed t h e u s e r c a n al s o u s e C M T A o r o t he r N e x t G e n R F T M r e c e i ver s w i t h embed d e d E E P RO M bui l t i n an d al l p r o d u c t f ea t u r e s c on fi g u r a b l e Fo r t h e mo r e de t a il s p l eas e r e f e r t o t h e AN10 C M T A Con f i g u r a t i o n Gu i d e l i ne”.
W Rev 1.0 Pa g e / 17 E ma i l:sal e s @hoper f .co m w e b si t e://ww w .hoper f .com O r d e r i n g I n f o r m a t i o n RFM210LW 433 Package Operation Band Mode Type P/N: RFM210LW 315S1 RFM210LW module at 315 M Hz band,SMD Packa g e P/N: RFM210LW 433S1 RFM210LW module at 433 M Hz band,SMD Packa g e
W Rev 1.0 Pa g e / 17 E ma i l:sal e s @hoper f .co m w e b si t e://ww w .hoper f .com Packa g e O u t l i n e F i gu r e S P ac k a g e Outline D r a wi
W Rev 1.0 Pa g e / 17 E ma i l:sal e s @hoper f .co m w e b si t e://ww w .hoper f .com Co n tact I n f o rm at i o n H O PE MICR O E LECT R O N I CS C O L TD Add: F Bu i ld i ng 3, Pingshan Pri v at e E nt e rprise Science and T echnology P ar k Lishan R o a X i Li T o wn, Nanshan Di s trict, Shenzhen, Guan g don g China T el: 73805 Fax: 73550 Email: sales@ h operf.com W ebsite: http:/ ww w h o p erf.com htt p ww w .hop erf .cn H O PE MICR O E LECT R O N I CS C O L TD Add: F Bu i lding Pingshan Pri v at e E nt erprise Sc i ence and T echnology P ar k Lishan R o a X i Li T o wn, Nanshan Di s trict, Shenzhen, Guan g don g China T el: 73805 Fax: 73550 Email: sales@ h operf.com W ebsite: http:/ ww w h o p erf.com htt p ww w .hop erf .cn This document m a y con t ain p r elim i na r y inform a tion and is subject to change b y H ope Microelectronics w i t hout notice. H ope Microelectronics assumes no responsibility o r liabili t y for a n y use of t he information con t ained herein. Nothing in this do c ument shall operate as an e x p r ess or implied license o r indemni t y un d e r t he intellectual proper t y rig h t s of H ope Microelectronics or third p ar ties. T he pr o duc t s described in this document are not intend e d for use in implan t ation or oth e r di r ect life support w h er e malfunction m a y result in the d i r ect p h y s ical ha r m or injury t o persons. NO W ARR A NT I ES O F A N Y KI N INCLUDI N G BUT NOT LIM I TED T O THE IMPLI E D W ARRANTIES OF M E CHA N T A BILI T Y O R FITNESS FOR A A R TICULAR PURP O SE, ARE O F FERED I N THIS DO C UM E N T ©2006, H O PE M I C R OELEC T RONI C S C O., L T All rig h t s r e s erved.