1 date: 05/17/07 spx1004 1.2v/2.5v micropower voltage reference ?copyright 200 7 sipex corporation spx1004 applications a/d and d/a reference reference for 5v systems digital voltmeter power supply monitor block diagrams 1.2v / 2.5v micropower voltage reference figure 1a. spx1004-1.2 block diagram figure 1b. spx1004-2.5 block diagram 1.235v + - cathode (k) anode (a) + - cathode (k) anode (a) 1.250v 500k 500k the spx1004 is a 2-terminal bandgap precision voltage reference that provides a stable fixed output voltage of 1.2v and 2.5v with a tolerance of 10 mv for spx1004-1.2 and 20mv for spx1004-2.5. design, process and precision on chip trimming yield a very low tempera - ture coefficient of 25 ppm/ c. the spx1004 can be used as a pin-to-pin replacement for the lt1004, lm1004 or as1004. the spx1004 is available in sot-89, n soic-8 and to-92 packages over the operating temperature range of 0 c to 70 c. description 1 2 3 4 5 6 7 8 spx1004 8 pin n soic cathode n/c anode cathode n/c n/c n/c anode lead free, rohs compliant packages features initial voltage tolerance: spx1004-1.2 = 10 mv spx1004-2.5 = 20mv low dynamic impedance 0.6 ? max. low operating current: spx1004-1.2 = 10 a spx1004-2.5 20 a wide operating current range 0.6 ? max. direct replacement for lt1004, lm1004 and as1004
2 date: 05/17/07 spx1004 1.2v/2.5v micropower voltage reference ?copyright 200 7 sipex corporation electrical characteristics are guaranteed over full junction temperature range (0 c to 70 c). ambient temperature must be derated based on power dissipation and package thermal characteristics. spx1004-1.2v spx1004-2.5v parameter conditions min typ max min typ max units reverse breakdown i z =100 a, t j =25 c 1.2 25 1.235 1.24 5 2.480 2.500 2.520 v 0 c t a 70 c 1.2 19 1.235 1.2 51 2.470 2.500 2.530 ave temp. coeff. i min i z 20ma 20 60 ppm/ c min operating current 4 10 12 20 a reverse breakdown i min i z 1ma 0.5 1 0.5 1 mv voltage change over temperature 0.5 1.5 0.5 1.5 with current 1ma i z 20ma 6.5 10 6.5 10 over temperature 6.5 20 6.5 20 reverse dynamic i z =100 a, f=25hz 0.2 0.6 0.8 0.9 ? impedance over temperature 1 1.5 1.5 wide band noise i z =100 a, 10hz f 10khz 60 120 v long term stability i z =100 a, t a =25 c 0.1 c 20 60 ppm/ khr operating temp range 0 70 0 70 c absolute maximum ratings stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. forward current (i ak ).....................................................10ma reverse current (i ka ).....................................................30ma lead temperature (soldering, 10 seconds).................300 c storage temperature range.......................-65 c to +150 c junction temperature..................................................150 c continuous power dissipation (p d ) to-92.........................................................775mw n soic-8.....................................................750mw sot-89.....................................................1000mw v k 0 15 30 45 60 75 90 105 -10 0.55000 00 0 0.07mv /?c 0.003%/?c 27ppm/? c tci nmv/?c = tci n % /?c = ?v ka (mv) ?t a ?t a ?v ka at 25? c ?v ka x 100 ( ) tci nppm/?c = ?t a ?v ka at25? c ?v ka x 10 6 ( ) ppm % mv junction temperature (?c) iure v temperature or v verion typical thermal resistances package - 0 ja typical derating to-92 160 c/w 80 c/w 6.3 mw/ c nsoic-8 175 c/w 45 c/w 5.7mw/ c sot-89 110 c/w 8 c/w 9.1mw/ c electrical characteristics 0 ja -
3 date: 05/17/07 spx1004 1.2v/2.5v micropower voltage reference ?copyright 200 7 sipex corporation figure 3. spx1004-1.2v reverse operating characteristic figure 4. spx1004-2.5 reverse operating characteristic figure 5. spx1004-1.2v reverse dynamic impedance figure 6. spx1004-2.5v reverse dynamic impedance figure 7. forward characteristics for spx1004-1.2 figure 8. low frequency reverse dynamic impedance and spx1004-2.5 for spx1004-1.2 typical performance characteristics 100 10 1 0.1 t a = 0?c to 70?c 0.4 0.6 0.8 1.0 1.41.20 v r - reverse voltage (v) i ka - reverse current ( a) 0.2 10k 1k 100 10 1 0.1 0.01 0.1 1 10 100 f = frequency (khz) z ka - reference impedance ( ? ) 1k i ka = 100 a t a = 25 c 10k 1k 100 10 1 0.1 0.01 0.1 1 10 100 f = frequency (khz) z ka - reference im pedance ( ? ) 1k i ka = 100 a t a = 25 c 1.2 0.8 0.4 0.0 0.01 0.1 1 10 100 t a = 25 c i f = forward current (ma) v f = forward voltage (v) 100 10 1 0.1 0.5 1.0 1.5 2.0 3.02.50 t a = 0?c to 70?c v r - reverse voltage (v) i ka - reverse current ( a) 100 10 1 0.1 0.01 0.1 1 10 100 i ka = reverse current (ma) z ka = reference impedance ( ? ) t a = 25 c f = 25hz
4 date: 05/17/07 spx1004 1.2v/2.5v micropower voltage reference ?copyright 200 7 sipex corporation application circuits figure 11. variable output regulator figure 12. high stability 5v regulator figure 13. low battery detector figure 14. micropower 10v reference figure 9a. 1.2v reference, figure 9b. 2.5v reference figure 10. low noise reference v in 3k ? spx1004-1.2v out v in 100k ? spx1004-2.5v out v in 100k spx1004-2.5v out 22 ? 50 f spx1004-2.5v out 200 ? 10 f 0.1 f adj lm317 5k + r v - ?1v 0.015ma v in v in v out v in > 8v spx1004-2.5v 5v out 976 ? , 1% v in v out adj lm338 22 f + 324 ? , 1% lo = battery low spx1004-1.2 150pf 500k86.7k 12v + 500k spx1004-1.2 150pf 1m 3.5m + 500k lm4250 3 2 7 6 8 22m v in = 12v to 20v 4
5 date: 05/17/07 spx1004 1.2v/2.5v micropower voltage reference ?copyright 200 7 sipex corporation package: 3 pin sot-89 package: pinouts top view sot-89 (m1) 1 2 3 bottom view to-92 (n) 1 32 cathode n/c top view 2 1 3 4 8 7 6 5 n soic (s2) alternate pin out cathode anode n/c n/c n/c cathode n/c n/c anode cathode anode n/c top view 2 1 3 4 8 7 6 5 n soic (s1) cathode anode n/c n/c n/c cathode n/c anode
6 date: 05/17/07 spx1004 1.2v/2.5v micropower voltage reference ?copyright 200 7 sipex corporation package: 8 pin nsoic
7 date: 05/17/07 spx1004 1.2v/2.5v micropower voltage reference ?copyright 200 7 sipex corporation package: 3 pin to-92
ordering information part number accuracy output voltage msl level rohs package pack type quantity spx1004as1-l-1-2 0.8% 1.235v l1 @ 260oc yes nsoic8 tube 98 spx1004as1-l-1-2/tr 0.8% 1.235v l1 @ 260oc yes nsoic8 tape & reel 2500 spx1004as2-l-1-2 0.8% 1.235v l1 @ 260oc yes nsoic8 alt. pinout tube 98 spx1004as2-l-1-2/tr 0.8% 1.235v l1 @ 260oc yes nsoic8 tape & reel 2500 spx1004s1-l-1-2 0.8% 1.235v l1 @ 260oc yes nsoic8 tube 98 spx1004s1-l-1-2/tr 0.8% 1.235v l1 @ 260oc yes nsoic8 tape & reel 2500 spx1004s2-l-1-2 0.8% 1.235v l1 @ 260oc yes nsoic8 alt. pinout tube 98 spx1004s2-l-1-2/tr 0.8% 1.235v l1 @ 260oc yes nsoic8 alt. pinout tape & reel 2500 spx1004am1-l-1-2 0.8% 1.235v l2 @ 260oc yes sot-89-3 canister any spx1004am1-l-1-2/tr 0.8% 1.235v l2 @ 260oc yes sot-89-3 tape & reel 2500 spx1004m-l-1-2 0.8% 1.235v l2 @ 260oc yes sot-89-3 canister any spx1004m-l-1-2/tr 0.8% 1.235v l2 @ 260oc yes sot-89-3 tape & reel 2500 spx1004an-l-1-2 0.8% 1.235v no msl for thru hole package. yes to-92-3 box any spx1004an-l-1-2/tr 0.8% 1.235v no msl for thru hole package. yes to-92-3 tape & reel 2000 spx1004n-l-1-2 0.8% 1.235v no msl for thru hole package. yes to-92-3 box any spx1004n-l-1-2/tr 0.8% 1.235v no msl for thru hole package. yes to-92-3 tape & reel 2000 spx1004as1-1-2 0.8% 1.235v l1 @ 240oc no nsoic8 tube 98 spx1004as1-1-2/tr 0.8% 1.235v l1 @ 240oc no nsoic8 tape & reel 2500 spx1004as2-1-2 0.8% 1.235v l1 @ 240oc no nsoic8 alt. pinout tube 98 spx1004as2-1-2/tr 0.8% 1.235v l1 @ 240oc no nsoic8 alt. pinout tape & reel 2500 spx1004s1-1-2 0.8% 1.235v l1 @ 240oc no nsoic8 tube 98 spx1004s1-1-2/tr 0.8% 1.235v l1 @ 240oc no nsoic8 tape & reel 2500 spx1004s2-1-2 0.8% 1.235v l1 @ 240oc no nsoic8 alt. pinout tube 98 spx1004s2-1-2/tr 0.8% 1.235v l1 @ 240oc no nsoic8 alt. pinout tape & reel 2500 spx1004am1-1-2 0.8% 1.235v l1 @ 240oc no sot-89-3 canister any spx1004am1-1-2/tr 0.8% 1.235v l1 @ 240oc no sot-89-3 tape & reel 2500 spx1004m1-1-2 0.8% 1.235v l1 @ 240oc no sot-89-3 canister any spx1004m1-1-2/tr 0.8% 1.235v l1 @ 240oc no sot-89-3 tape & reel 2500 spx1004m-1-2 0.8% 1.235v l1 @ 240oc no sot-89-3 canister any spx1004m-1-2/tr 0.8% 1.235v l1 @ 240oc no sot-89-3 tape & reel 2500 spx1004an-1-2 0.8% 1.235v no msl for thru hole package. no to-92-3 box any spx1004an-1-2/tr 0.8% 1.235v no msl for thru hole package. no to-92-3 tape & reel 2000 spx1004n-1-2 0.8% 1.235v no msl for thru hole package. no to-92-3 box any spx1004n-1-2/tr 0.8% 1.235v no msl for thru hole package. no to-92-3 tape & reel 2000 8 date: 05/17/07 spx1004 1.2v/2.5v micropower voltage reference ? copyright 200 7 sipex corporation
9 date: 05/17/07 spx1004 1.2v/2.5v micropower voltage reference ?copyright 200 7 sipex corporation ordering information (continued) part number accuracy output voltage msl level rohs package pack type q u a n t i t y spx1004s1-l-2-5 0.8% 2.500v l1 @ 260oc yes nsoic8 tube 98 spx1004s1-l-2-5/tr 0.8% 2.500v l1 @ 260oc yes nsoic8 tape & reel 2500 spx1004s2-l-2-5 0.8% 2.500v l1 @ 260oc yes nsoic8 alt. pinout tube 98 spx1004s2-l-2-5/tr 0.8% 2.500v l1 @ 260oc yes nsoic8 alt. pinout tape & reel 2500 spx1004m1-l-2-5 0.8% 2.500v l2 @ 260oc yes sot-89-3 canister any spx1004m1-l-2-5/tr 0.8% 2.500v l2 @ 260oc yes sot-89-3 tape & reel 2500 spx1004m-l-2-5 0.8% 2.500v l2 @ 260oc yes sot-89-3 canister any spx1004m-l-2-5/tr 0.8% 2.500v l2 @ 260oc yes sot-89-3 tape & reel 2500 spx1004n-l-2-5 0.8% 2.500v no msl for thru hole package. yes to-92-3 box any spx1004n-l-2-5/tr 0.8% 2.500v no msl for thru hole package. yes to-92-3 tape & reel 2000 spx1004s1-2-5 0.8% 2.500v l1 @ 240oc no nsoic8 tube 98 spx1004s1-2-5/tr 0.8% 2.500v l1 @ 240oc no nsoic8 tape & reel 2500 spx1004s2-2-5 0.8% 2.500v l1 @ 240oc no nsoic8 alt. pinout tube 98 spx1004s2-2-5/tr 0.8% 2.500v l1 @ 240oc no nsoic8 alt. pinout tape & reel 2500 spx1004m1-2-5 0.8% 2.500v l1 @ 240oc no sot-89-3 canister any spx1004m1-2-5/tr 0.8% 2.500v l1 @ 240oc no sot-89-3 tape & reel 2500 spx1004m-2-5 0.8% 2.500v l1 @ 240oc no sot-89-3 canister any spx1004m-2-5/tr 0.8% 2.500v l1 @ 240oc no sot-89-3 tape & reel 2500 spx1004n-2-5 0.8% 2.500v no msl for thru hole package. no to-92-3 box any spx1004n-2-5/tr 0.8% 2.500v no msl for thru hole package. no to-92-3 tape & reel 2000 for latest information on ordering status, go to the sipex web landing page for this product http://www.sipex.com/searchresults.aspx?keywordsval=spx1004 solved by tm for further assistance: email: sipexsupport@sipex.com www support page: http://www.sipex.com/content.aspx?p=support sipex application notes: http://www.sipex.com/applicationnotes.aspx sipex corporation headquarters and sales office 233 south hillview drive milpitas, ca 95035 tel: (408) 934-7500 fax: (408) 935-7600 sipex corporation reserves the right to make changes to any products described herein. sipex does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others.
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