s t a t e k c o r p o r a t i o n 5 1 2 n . m a i n s t . , o r a n g e , c a 9 2 8 6 8 7 1 4 - 6 3 9 - 7 8 1 0 f a x : 7 1 4 - 9 9 7 - 1 2 5 6 w w w . s t a t e k . c o m 1 0 1 1 2 - r e v e description the LXO1 oscillator has the highest accuracy , stability and lowest current of all st a t ek oscillators. the design consists of a cmos-compatible hybrid circuit, packaged in a hermetically-sealed metal dip . permanent, precision tuning of the oscillator is accomplished by laser trimming the crystal after it has been hermetically sealed in a ceramic package and connected to the oscillator circuit. this method of fine tuning allows for very tight calibration tolerance and eliminates the need for a trimming capacitor , a m a j o r s o u r c e o f l o n g - t e r m f r e q u e n c y d r i f t . t h e specifications and characteristics of the LXO1 vary with frequency . the characteristics of the 32.768 khz model are presented in this data sheet. fea t ures l o w p o w e r c o n s u m p t i o n l o w a g i n g c m o s c o m p a t i b l e d o u b l e h e r m e t i c a l l y s e a l e d p a c k a g e f u l l m i l i t a r y t e s t i n g a v a i l a b l e 5 v o p e r a t i o n s t a n d a r d 3 . 3 v a n d 5 v o p e r a t i o n a v a i l a b l e o p t i o n a l t r i - s t a t e applica tions i n d u s t r i a l , c o m p u t e r & c o m m u n i c a t i o n s g e n e r a l p u r p o s e c l o c k o s c i l l a t o r d a t a l o g g e r r e m o t e s e n s o r l i q u i d l e v e l s e n s i n g m e d i c a l t e s t a n d d i a g n o s t i c s m i l i t a r y p o r t a b l e f i e l d c o m m u n i c a t i o n m i l i t a r y h i g h s p e e d m o d e m f l i g h t r e c o r d e r l x o 1 o s c i l l a t o r 1 0 k h z t o 2 . 1 m h z l o w p o w e r c r y s t a l o s c i l l a t o r l x 0 1 - 1 . 0 m h z p a ckage dimensions b c p i n n o . 1 p i n n o . 1 4 p i n n o . 8 p i n n o . 7 g f e h d a j i d i m i n c h e s m m a 0 . 8 1 0 m a x . 2 0 . 5 7 m a x . b 0 . 5 1 0 m a x . 1 2 . 9 5 m a x . c 0 . 3 0 0 0 . 0 0 5 7 . 6 2 0 . 1 3 d 0 . 6 0 0 0 . 0 0 5 1 5 . 2 4 0 . 1 3 e 0 . 4 3 0 t y p . 1 0 . 9 2 t y p . f 0 . 2 4 0 m a x . 6 . 1 0 m a x . g 0 . 0 4 0 t y p . 1 . 0 2 t y p . h 0 . 1 5 0 m i n . 3 . 8 1 m i n . i 0 . 0 1 8 0 . 0 0 2 0 . 4 6 0 . 0 5 j 0 . 0 7 0 t y p . 1 . 7 8 t y p . * p o s i t i o n o f b u m p s f o r r e f e r e n c e o n l y + _ + _ + _ + _ + _ + _
l x o 1 s t 3 2 . 7 6 8 k , 1 0 / i how to order LXO1 cr yst a l oscilla tors s t a t e k c o r p o r a t i o n 5 1 2 n . m a i n s t . , o r a n g e , c a 9 2 8 6 8 7 1 4 - 6 3 9 - 7 8 1 0 f a x : 7 1 4 - 9 9 7 - 1 2 5 6 w w w . s t a t e k . c o m 1 0 1 1 2 - r e v e specifica tions: LXO1 32.768 khz s p e c i f i c a t i o n s a r e t y p i c a l a t 2 5 o c u n l e s s o t h e r w i s e n o t e d . s p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e w i t h o u t n o t i c e . s u p p l y v o l t a g e ( v d d ) 5 v 1 0 % ( s t a n d a r d ) ( 3 . 3 v o p e r a t i o n a l s o a v a i l a b l e ) c a l i b r a t i o n t o l e r a n c e 1 1 0 p p m ( 0 . 0 0 1 % ) 2 5 p p m ( 0 . 0 0 2 5 % ) 1 0 0 p p m ( 0 . 0 1 % ) f r e q u e n c y s t a b i l i t y 2 0 o c t o + 5 0 o c 2 5 p p m t y p . ( 0 . 0 0 2 5 % ) 4 0 p p m m a x . ( 0 . 0 0 4 % ) - 2 0 o c t o + 7 0 o c 7 0 p p m t y p . ( 0 . 0 0 7 % ) 1 0 0 p p m m a x . ( 0 . 0 1 % ) v o l t a g e c o e f f i c i e n t 1 p p m / v t y p . 3 p p m / v m a x . a g i n g 1 p p m / y e a r t y p . 3 p p m / y e a r m a x . s h o c k 1 0 0 0 g , 1 m s , 1 / 2 s i n e 3 p p m m a x . v i b r a t i o n 1 0 g r m s , 1 0 - 2 0 0 0 h z 3 p p m m a x . f r e q u e n c y c h a n g e v s . 1 0 % o u t p u t l o a d c h a n g e 1 p p m m a x . o p e r a t i n g t e m p . r a n g e - 1 0 o c t o + 7 0 o c ( c o m m e r c i a l ) - 4 0 o c t o + 8 5 o c ( i n d u s t r i a l ) - 5 5 o c t o + 1 2 5 o c ( m i l i t a r y ) 1 . t i g h t e r t o l e r a n c e s a v a i l a b l e 2 . d o e s n o t i n c l u d e c a l i b r a t i o n t o l e r a n c e . p o s i t i v e v a r i a t i o n s s m a l l c o m p a r e d t o n e g a t i v e v a r i a t i o n s . typical current consumption LXO1 32.768 khz + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ absolute maximum ra tings s u p p l y v o l t a g e - 0 . 3 v t o 7 v s t o r a g e t e m p e r a t u r e - 5 5 o c t o + 1 2 5 o c electrical characteristics lxo-1 32.768 khz a l l p a r a m e t e r s a r e m e a s u r e d a t a m b i e n t t e m p e r a t u r e w i t h a 1 0 m a n d 1 0 p f l o a d a t 5 v . s y m b o l p a r a m e t e r m i n . t y p . m a x . u n i t v o u t p u t v o l t a g e h i 4 . 8 4 . 9 5 v v o u t p u t v o l t a g e l o 0 . 0 5 0 . 2 v t r i s e t i m e ( 1 0 % - 9 0 % ) 1 2 2 5 n s t f a l l t i m e ( 1 0 % - 9 0 % ) 1 2 2 5 n s s y m d u t y c y c l e 4 0 5 0 6 0 % s u p p l y c u r r e n t v = 5 v 6 . 5 1 2 a v = 3 v 5 1 0 a pin connections p i n c o n n e c t i o n 1 i n h ( t r i - s t a t e ) o r n c 7 v s s ( g n d ) 8 o u t p u t 1 4 v d d p a ckaging l x o 1 - t u b e p a c k output w a ve form d d d d o h o l r f i d d 2 3 4 5 6 5 6 v dd (v olts) current (ua) 7 8 7 3 v dd v oh t r t f 0 v ol 9 0 % * 1 0 % * * o f v d d s i f s p e c i a l o r c u s t o m d e s i g n . b l a n k i f s t d . t = t r i - s t a t e b l a n k = p i n 1 n o c o n n e c t i o n f r e q u e n c y k = k h z m = m h z + c a l i b r a t i o n t o l e r a n c e @ 2 5 o c ( i n p p m ) t e m p . r a n g e : c = - 1 0 o c t o + 7 0 o c i = - 4 0 o c t o + 8 5 o c m = - 5 5 o c t o + 1 2 5 o c s = c u s t o m e r s p e c i f i e d + o t h e r c a l i b r a t i o n f i l l i n p p m . s t a n d a r d c a l i b r a t i o n t o l e r a n c e s f o r f r e q u e n c i e s o t h e r t h a n 3 2 . 7 6 8 k h z : 1 ) 1 0 0 p p m ( 0 . 0 1 % ) 2 ) 3 0 0 p p m ( 0 . 0 3 % ) 3 ) 1 0 0 0 p p m ( 0 . 1 % )
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