n overview the dn8897/se/te/s is a combination of a hall element, amplifier, schmidt circuit, and stabilized power supply/temper- ature compensator integrated on an identical chip by using the ic technology. it amplifies hall element output at the amplifi- er, converts into a digital signal through the schmidt circuit, and drives the ttl or mos ic directly. n features high sensitivity and low drift stable temperature characterstics due to the additional tem- perture compensator wide operating supply voltage range (v cc =4.5 to 16v) operatig in alternative magnetic field ttl and mos ics directly drivable by output provided with the output pull-up resistors (typ 27k ) ??gauss point in the zero cross type hysteresis width n applications speed sensors position sensors rotation sensors keyboard switches microswitches note) this ic is not suitable for car electrical equipment. dn8897/se/te/s hall ic ( operating temperature range topr = ?0 to + 100?c, operating in alternative magnetic field ) 1 hall element ?dn8897/se/te amp. schmitt trigger output stage 3 2 v cc output gnd stabilized power supply temperature correction circuit 27k n block diagram 1 hall element ?dn8897s amp. schmitt trigger output stage 3 4 v cc output gnd 2 nc or gnd stabilized power supply temperature correction circuit 27k unit : mm dn8897 ssip003-p-0000a (e-3s) 1 : v cc 2 : gnd 3 : output 0.5 0.1 5? 123 2? 5? 5? 2? 1.27 4.0 0.3 0.7 4.5 0.3 0.43 + 0.1 ?0.05 2.0 0.3 0.8 0.1 1.0 10.5 0.5 unit : mm DN8897SE 4.52 0.3 0.55 0.15 0.4 0.1 1.54 0.1 1.27 r0.25 2 to 5? 2? 123 (0.4) 12.5 06.5 (0.72) 4.52 0.3 (1.0) (1.0) 2? 45? ssip003-p-0000c (se-3s) 1 : v cc 2 : gnd 3 : output unit : mm dn8897te 4.0 0.3 0.6 0.15 0.5 0.1 1.2 0.1 (0.2) 1.27 123 3.3 0.3 (0.6) (0.7) (1.0) (1.0) ssip003-p-0000b (te-3s) 1 : v cc 2 : gnd 3 : output 10.0 0.6 1.6 3.0 0.3 0.6 0.2 esop004-p-0200 (soh-4d) 1 2 4 3 unit : mm 5.4 0.4 3.0 0.3 1.5 0.3 0.4 0.2 0 to 0.1 0.15 0.95 0.2 0.3 to 0.5 1 : v cc 2 : nc or gnd 3 : output 4 : gnd dn8897s
v c c i c c i o p d t o p r t s t g s u p p l y v o l t a g e s u p p l y c u r r e n t c i r c u i t c u r r e n t p o w e r d i s s i p a t i o n o p e r a t i n g a m b i e n t t e m p e r a t u r e s t o r a g e t e m p e r a t u r e v m a m a m w ? c ? c n a b s o l u t e m a x i m u m r a t i n g s ( t a = 2 5 ? c ) 1 8 8 2 0 1 5 0 4 0 t o + 1 0 0 5 5 t o + 1 2 5 p a r a m e t e r s y m b o l r a t i n g u n i t n e l e c t r i c a l c h a r a c t e r i s t i c s ( t a = 2 5 ? c ) o p e r a t i n g f l u x d e n s i t y 1 2 b 1 ( l ? h ) m t 6 v c c = 1 2 v b 2 ( h ? l ) 1 2 m t 6 v c c = 1 2 v h y s t e r e s i s w i d t h 7 b w m t 1 0 v c c = 1 2 v o u t p u t v o l t a g e v o l 0 . 4 v v c c = 1 6 v , v o = 0 v , b = 1 2 m t 1 4 . 7 v o h v 2 . 9 v o u t p u t s h o r t - c i r c u i t c u r r e n t 0 . 4 i o s 0 . 9 m a s u p p l y c u r r e n t 1 m a v c c = 1 6 v 1 i c c 5 . 5 m a v c c = 4 . 5 v 6 0 . 1 0 . 1 v c c = 4 . 5 v , i o = 3 0 a , b = 1 2 m t v c c = 1 6 v , i o = 3 0 a , b = 1 2 m t v c c = 4 . 5 t o 1 6 v , i o = 1 2 m a , b = 1 2 m t p a r a m e t e r s y m b o l c o n d i t i o n m i n t y p m a x u n i t 1 . 5 1 . 5 1 . 0 1 . 3 1 . 0 1 . 7 5 1 . 0 1 . 0 u n i t : m m t h e c e n t e r o f t h e h a l l e l e m e n t i s i n t h e h a t c h e d a r e a i n t h e r i g h t f i g u r e . d n 8 8 9 7 1 . 0 1 . 2 5 1 . 0 1 . 6 3 d n 8 8 9 7 s e 1 . 0 1 . 1 5 1 . 0 1 . 5 d n 8 8 9 7 t e d n 8 8 9 7 s d i s t a n c e f r o m p a c k a g e s u r f a c e t o s e n s o r ( m m ) d n 8 8 9 7 0 . 7 d n 8 8 9 7 s e 0 . 4 2 d n 8 8 9 7 t e 0 . 4 d n 8 8 9 7 s 0 . 6 5 n hall element position m a r k i n g s u r f a c e a p p l i e d f l u x d i r e c t i o n f l u x d e n s i t y ( b ) o u t p u t v o l t a g e ( v o ) b 1 b 2 n flux-voltage conversion characteristics
n p r e c a u t i o n o n u s e 1 . c h a n g e o f t h e o p e r a t i o n m a g n e t i c f l u x d e n s i t y d o s e n o t d e p e n d o n t h e s u p p l y v o l t a g e , b e c a u s e t h e s t a b i l i z a t i o n p o w e r s u p p l y i s b u i l t - i n . ( o n l y f o r t h e r a n g e ; v c c = 4 . 5 t o 1 6 v ) 2 . c h a n g e f r o m h t o l l e v e l i n c r e a s e s t h e s u p p l y c u r r e n t b y a p p r o x . 1 m a . a m b i e n t t e m p e r a t u r e ( ? c ) s u p p l y c u r r e n t ( m a ) s u p p l y v o l t a g e a m b i e n t t e m p e r a t u r e 8 7 6 5 4 3 2 1 0 5 0 2 5 0 2 5 5 0 7 5 1 0 0 1 2 5 v c c = 4 . 5 v v c c = 1 6 v a m b i e n t t e m p e r a t u r e ( ? c ) o p e r a t i n g f l u x d e n s i t y ( m t ) o p e r a t i n g f l u x d e n s i t y a m b i e n t t e m p e r a t u r e 2 0 1 0 0 1 0 2 0 5 0 2 5 0 2 5 5 0 v c c = 1 2 v 7 5 1 0 0 1 2 5 s a m p l e 2 , b h t o l s a m p l e 3 , b h t o l s a m p l e 1 , b h t o l s a m p l e 3 , b l t o h s a m p l e 1 , b l t o h a m b i e n t t e m p e r a t u r e ( ? c ) o u t p u t l l e v e l v o l t a g e ( m v ) o u t p u t l o w l e v e l v o l t a g e a m b i e n t t e m p e r a t u r e 1 0 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 0 5 0 2 5 0 2 5 5 0 v c c = 1 2 v i o = 1 2 m a 7 5 1 0 0 1 2 5 s u p p l y v o l t a g e ( v ) o p e r a t i n g f l u x d e n s i t y ( m t ) o p e r a t i n g f l u x d e n s i t y s u p p l y v o l t a g e 2 0 1 0 0 1 0 2 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2 0 t a = 2 5 ? c b h t o l b l t o h s a m p l e 2 , b l t o h n characteristics curve
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