general descri p ti on ns73m is a fm stereo transmitte r module for the appli c ation s su ch as wi rel e ss micropho ne, mp3, cd, cellul a r ph on e. ? t r a n smi s sion frequen cy coverag e : ? 87.5mhz to 1 08mhz ? s t ereo multipl e xing modul a t ion ? 32.768khz cryst a l os cillati on support ? small size p a ckage --- 7 x 7 x 1.5mm (typ.) ? package type : dfn(dual flat no lea d package ) ? package wei ght : 132mg (typ.) ? t w o exte rnal comp one nt s required (a ca p a citor an d a cry s t a l) ? alignment-f re e ? 3-wi re a nd i 2 c su ppo rt for mpu interfa c e ? operating v o l t age = 2.7v t o 3.6v (3.0v typ.) ? operating t e mperature = -20de gc to +7 5deg c ? f u ll c m o s pro c ess features o p eratin g conditi ons i t e m s y m b o l m i n . typ . m a x . u n i t operatin g v o lt age v d d 2 . 7 3 . 0 3 . 6 v operatin g t e mperatur e t a - 2 0 + 7 5 deg c s t orage t e mpe r ature t s tg -30 + 80 deg c electrical performance vdd = 3.0v+/-0.05v , t a = 25de gc, f-af = 1k hz, v i -a f = 90mv r ms, otherwi se specifie d pa r a m e t e r sym condition min typ ma x unit current c onsu m ption idd 36 45 ma s t andb y c u rre nt istb 1.5 20 ua input lo w l e ve l v o lt age v i l iic, la, da, c k pins -0.3 0 0.25 * vdd v input hig h lev el v o lt ag e v ih iic, la, da, c k pins 0.75 * vdd v dd vdd + 0.3 v output lo w l e v el v o lt ag e v ol da pin io l = -3ma 0 0.4 v t x f r equenc y ft x 87.5 108 mhz t x po w e r out put po rl = 50-ohm, fo = 90mhz 0.25 2 mw modu latio n de viatio n dev pre-emp hasis = on + / -50 khz modu latio n dis tortion(mono) t hd 0.4 1.0 % modu latio n sn ratio snr 50 55 db s t ereo sep a rat i on sep 25 35 db audi o f r eq. re spons e f r f = 50hz - 15khz fi = 400hz@0 d b v i = 12mv rms - 3 0 1 . 5 d b audi o inp u t imped anc e z a f f= 50hz - 15kh z 50 60 kohm pilot t one l e ve l pl 9 10 1 1 % cr y s t a l f r eque nc y fxt 32.76 8 k h z cr y s t a l t o leran c e dxt t a = 25deg c vdd = 2.7v - 3.6v - 2 0 0 2 0 p p m f m t r ansmitte r module NS73M-61LU 7 7 mm small size 2006/04/07 www.datasheet.co.kr datasheet pdf - http://www..net/
outer dimension 6 5 4 3 2 1 8 7 da la to mpu ck teb iic gnd 10 11 13 9 15 14 12 22u/6.3 wiring of ns73m vdd vdd 1k (i 2 c only ) 1k (i 2 c only ) 32.768khz 0.01u 1k lin rin rfo ex t. clock t erminals for connection pin no. pin name description 1 g n d gnd 2 v d r f v d d 3 t eb unlock detect output 4 p w e n o n c onn ectio n 5 ck clock for i/o input(pull up r needed) 6 da dat a i/o for i/f(pull up r needed) 7 la latch for 3- w i r e or address fo r i 2 c 8 i i c i 2 c or 3- w i re i/f selector 9 v c c v d d 10 x1 cr y s t a l oscillat o r inp u t 1 1 g n d g n d 12 lin audi o lef t sign al in put 13 rin audi o rig ht sig nal i nput 1 4 g n d g n d 15 rf o rf po w e r outp u t shiba daimon, 1 1 6 b ldg.8f , 16-3, 1c home shiba daimon , minatoku, t o kyo, jap an http:// www .niigat a - s.co.jp tel : 81-3-3437-3570 f a x : 81-3-3437-5622 note: for fu rther info rmatio n, please co n t act ou r sal e s dep a r tment . 2006/04/07 www.datasheet.co.kr datasheet pdf - http://www..net/
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