1/9 axelite confidential materials, do not copy or distribute without written consent . rev.1.1 aug. 24 , 20 12 AX8111 micropower, ultra - sensitive hall effect switch ? general description AX8111 is a three-terminal hall effect sensor device with an output driver, mainly designed for battery C operation, hand-held equipment (such as cellular and cordless phone, pda). for AX8111, the total operation power is down to 10uw in the 1.8v supply. the output is switch with either north or south pole of sufficient strength will turn the output on. the output will be turned off under no magnetic field. while the magnetic flux density (b ) is larger than operate point (bop), the output will be turned on (low); the output is latched until b is lower than release point (brp) and then turned off. ? features - micro power operation for battery applications - 1.65v to 3.30v battery operation - chopper stabilized technology - operation with north or south pole - good rf noise immunity - high sensitivity and high stability of the magnetic switching points - 3-pin thin tsot23 , udfn and sot553 package ? b lock d iagram offset cancellation logic vdd + - awake/sleep timing control hall plate n-mos p-mos out gnd v?mw`r?y?b? w w w . g o f o t e c h . c o m
2/9 axelite confidential materials, do not copy or distribute without written consent . rev.1.1 aug. 24 , 20 12 AX8111 ? pin assignme t the package s of AX8111 are tsot23 - 3l, udfn - 3l and sot553 ; the pin assignment is given by : name description vdd power input gnd ground out output pin (active low) ? order/marking information order information top marking ( tsot23 - 3l) top marking (udfn - 3l 2*2 ) top marking (sot553 ) t s o t 2 3 - 3 l g n d v d d 3 o u t 2 1 ( t o p v i e w ) u d f n - 3 l 2 x 2 g n d v d d 2 o u t 3 1 ( t o p v i e w ) n c g n d n c o u t p u t v d d s o t 5 5 3 ( t o p v i e w ) 1 2 3 5 4 p a c k a g e t y p e a x 8 1 1 1 x x x p a c k i n g b l a n k : b a g a : t a p i n g r t : t s o t 2 3 - 3 l x 3 : u d f n - 3 l ( 2 * 2 ) e 1 : s o t 5 5 3 h a x 8 1 1 1 w w : 0 1 ~ 2 6 ( a ~ z ) 2 7 ~ 5 2 ( a ~ z ) y e a r : a = 2 0 1 0 1 = 2 0 1 1 i d c o d e : i n t e r n a l e y w x h e y w x y e a r : a = 2 0 1 0 1 = 2 0 1 1 w e e k : 0 1 ~ 2 6 ( a ~ z ) 2 7 ~ 5 2 ( a ~ z ) i d c o d e : i n t e r n a l a x 8 1 1 1 5 a x 8 1 1 1 w e e k c o d e 1 w w v?mw`r?y?b? w w w . g o f o t e c h . c o m
3/9 axelite confidential materials, do not copy or distribute without written consent . rev.1.1 aug. 24 , 20 12 AX8111 table: for s ot553 package type week code week 1 2 3 4 5 6 7 8 9 10 11 12 13 code oa ob oc od oe of og oh oi oj ok ol om week 14 15 16 17 18 19 20 21 22 23 24 25 26 code on oo op oq or os ot ou ov ow ox oy oz week 27 28 29 30 31 32 33 34 35 36 37 38 39 code pa pb pc pd pe pf pg ph pi pj pk pl pm week 40 41 42 43 44 45 46 47 48 49 50 51 52 code pn po pp pq pr ps pt pu pv pw px py pz ? absolute maximum rat ings (at t a =25 c ) characteristics symbol rating unit vdd pin voltage v dd - 0.3 to 4.5 v v output pin voltage v out - 0.3 to 4.5 v v output current i out 1 ma storage temperature range t st - 65 to +150 c junction temperature t j +125 c operating temperat ure range t op - 40 to +85 c thermal resistance from junction to ambient tsot23 - 3l ja 250 c/w udfn - 3l 120 sot553 496 power dissipation[pd= ( t j - t a ja ] tsot23 - 3l pd 400 mw udfn - 3l 830 mw sot553 135 mw note : ja is measured with the pcb copper area of approximately 1 in 2 (multi - layer). ? e lectrical c haracteristics ( v dd = 1.8 v, t a =25c, unless otherwise specified) characteristics symbol conditions min typ max units supply voltage v dd 1.65 1.8 3.3 v supply current i dd awake state - 1.4 3 ma sleep state - 3.6 7 ua average - 5 10 ua output high voltage v o h i o ut =0. 5 ma (source) v dd - 0.2 - - v output low voltage v o l i o ut =0.5 ma (sink) - - 0.2 v output wake - up time t wake - up - 4 0 80 u s period t period - 4 0 80 ms duty cycle d.c - 0.1 - % v?mw`r?y?b? w w w . g o f o t e c h . c o m
4/9 axelite confidential materials, do not copy or distribute without written consent . rev.1.1 aug. 24 , 20 12 AX8111 ? magnetic characteristics ( v dd = 1.8 v, t a =25c, unless otherwise specified ) characteristics symbol conditions min typ max units operating points b ops - 30 42 gauss b opn - 42 - 30 - release points b rps 10 20 - b rpn - - 20 - 10 hysteresis b hys - 10 - ? application circuit n 0 b o p n b r p n b o u t b r p s b o p s s h i g h s t a t e l o w s t a t e l o w s t a t e a x 8 1 1 1 3 2 2 + - 1 . 6 5 ~ 3 . 3 v o u t p u t 2 1 v?mw`r?y?b? w w w . g o f o t e c h . c o m
5/9 axelite confidential materials, do not copy or distribute without written consent . rev.1.1 aug. 24 , 20 12 AX8111 ? sensor location (1) tsot23 - 3l (2) udfn - 3l 1 . 4 5 m m 0 . 8 m m t o p v i e w 1 m m ( b o t t o m v i e w ) 1 m m v?mw`r?y?b? w w w . g o f o t e c h . c o m
6/9 axelite confidential materials, do not copy or distribute without written consent . rev.1.1 aug. 24 , 20 12 AX8111 (3) sot553 ? typical characteristics 0 . 8 m m 0 . 6 m m t o p v i e w v?mw`r?y?b? w w w . g o f o t e c h . c o m
7/9 axelite confidential materials, do not copy or distribute without written consent . rev.1.1 aug. 24 , 20 12 AX8111 ? package outlines (1) tsot23 - 3l symbol dimensions in millimeters dimensions in inches min. nom. max. min. nom. max. a 0.75 - 0.90 0.030 - 0.035 a1 0.00 - 0.10 0.000 - 0.004 a2 0.70 0.75 0.80 0.028 0.030 0.031 b 0.35 - 0.51 0.014 - 0.020 c 0.10 - 0.25 0.004 - 0.010 d 2.80 2.90 3. 00 0.110 0.114 0.118 e 2.60 2.80 3.00 0.102 0.110 0.118 e1 1.50 1.60 1.70 0.059 0.063 0.067 e 0.95 bsc. 0.037 bsc. e1 1.90 bsc. 0.075 bsc. l 0.37 - - 0.015 - - l1 0.60 ref. 0.024 ref. l2 0.25 bsc. 0.010 bsc. y - - 0.10 - - 0.004 r 0.10 - - 0.004 - - 0 o - 8 o 0 o - 8 o 1 7 o nom. 7 o nom. 2 5 o nom. 5 o nom. e 1 e e e 1 b d a a 1 a 2 y 2 4 x 1 l 1 r l v?mw`r?y?b? w w w . g o f o t e c h . c o m
8/9 axelite confidential materials, do not copy or distribute without written consent . rev.1.1 aug. 24 , 20 12 AX8111 (2) udfn - 3l (2x2x0.5mm) symbol dimensions in millimeters dimensions in inches min. nom. max. min. nom. max. a 0.450 - 0.550 0.018 - 0.022 a1 0 .000 - 0.05 0 .000 - 0.002 a3 0.152ref. 0.006 ref . d 1.924 - 2.076 0.076 - 0.082 e 1.924 - 2.076 0.076 - 0.082 d1 1.1 00 - 1.3 00 0.043 - 0.051 d2 0.325ref. 0.030ref. d3 0.763ref. 0.013ref. e1 0.8 00 - 1 0.031 - 0.039 e2 0.600ref. 0.024ref. e3 0.138ref. 0.005ref. k 0.200min. 0.008min. b 0.2 00 - 0.3 00 0.008 - 0.012 e 0.500typ. 0.020typ. l 0.324 - 0.476 0.013 - 0.019 r - 0.2 - - 0.008 - v?mw`r?y?b? w w w . g o f o t e c h . c o m
9/9 axelite confidential materials, do not copy or distribute without written consent . rev.1.1 aug. 24 , 20 12 AX8111 (3) sot 553 symbol dimensions in millimeters dimensions in inches min. nom. max. min. nom. max. a 0.525 - 0.600 0.021 - 0.024 a1 0.000 - 0.050 0.000 - 0.002 b 0.170 - 0.270 0.007 - 0.011 c 0.090 - 0.160 0.004 - 0.006 d 1.500 - 1.700 0.059 - 0.067 e 1.500 - 1.700 0.059 - 0.067 e1 1.100 - 1.300 0.043 - 0.051 e 0.450 - 0.550 0.018 - 0.022 l 0.10 - 0.30 0.004 - 0.0 12 7 o ref 7 o ref v?mw`r?y?b? w w w . g o f o t e c h . c o m
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