ref-01/ref-02 1 ref012fd typical application description precision voltage references l , lt, ltc and ltm are registered trademarks of linear technology corporat ion. all other trademarks are the property of their respective owners. features applications 15v C15v 412* 1/2w 357*1/2w 5v 350 bridge active element r2 20k r4 20k r5 2m r6 2m** r3 2m C + C + gain = 100 a2 lt1001 a1 ? lt307 in out gnd ref-02 reduces reference and amplifier loading.if r6 = r3, bridge is not loaded by r2 and r4. a1 v os and drift are not critical. * ** ? ta01a C5v n a/d and d/a converters n precision regulators n constant current sources n v/f converters n bridge excitation n trimmed output 0.3% n low drift5ppm/c typ n low noise3ppm (p-p) n high line rejection n temperature outputref-02 n low supply current 1.4ma max the ref-01/ref-02 are precision 10v and 5v bandgap references which provide stable output voltages over a wide range of operating conditions. output voltage is ac- curate to 0.3% with a low 5ppm/c typical temperature coef? cient. the ref-01 and ref-02 are excellent choices for applications where low drift, moderate accuracy, low power consumption and low cost are considerations. the ref-02 includes a temperature output pin which provides a linear voltage proportional to absolute tem- perature. for lower drift and higher accuracy references, please see the lt1019 and lt1021 data sheets. ultra linear strain gauge ampli? er output voltage temperature drift temperature (c) C50 output voltage (normalized) 1.0031.002 1.001 1.000 0.999 0.998 0.997 25 75 ta01b C25 0 50 100 125 0c to 70c box guaranteed for ref-01e and ref-02e (8.5ppm/c) full temp range box guaranteed for ref-01a and ref-02a (8.5ppm/c) downloaded from: http:///
ref-01/ref-02 2 ref012fd absolute maximum ratings ref-01/ref-02 a, e, h .............................................40v ref-01c/ref-02c .....................................................30v power dissipation .............................................. 500mw output short-circuit duration to ground .................................................... inde? nite to v in 16v ................................................ inde? nite to v in > 16v ............................................not allowed storage temperature range ..................C 65c to 150c operating temperature ref-01/ref-02, ref-01a/ref-02a ... C55c to 125c ref-01e/ref-02e, ref-01h/ref-02h, ref-01c/ref-02c, ref-01d/ref-02d .... 0c to 70c lead temperature (soldering, 10 sec)................... 300c pin configuration order information t jmax = 150c, ja = 150c/w, jc = 45c/w top view nc * nc * nc * input output trim temp ** gnd (case) 8 7 6 5 3 2 1 4 h package 8-lead to-5 metal can *internally connected. do not connect externally. a + C + C b **do not connect on ref-01 12 3 4 87 6 5 top view nc* input temp** gnd nc*nc* output trim n8 package 8-lead plastic dip t jmax = 100c, ja = 130c/w t jmax = 150c, ja = 100c/w *internally connected. do not connect externally. j8 package 8-lead cerdip **do not connect on ref-01 lead free finish part marking package description temperatu re range ref01en8#pbf ref01en8 8-lead plastic dip 0c to 70c ref01hn8#pbf ref01hn8 8-lead plastic dip 0c to 70c ref01cn8#pbf ref01cn8 8-lead plastic dip 0c to 70c ref02en8#pbf ref02en8 8-lead plastic dip 0c to 70c ref02hn8#pbf ref02hn8 8-lead plastic dip 0c to 70c ref02cn8#pbf ref02cn8 8-lead plastic dip 0c to 70c ref02dn8#pbf ref02dn8 8-lead plastic dip 0c to 70c ref01ah#pbf 8-lead to-5 metal can C55c to 125c ref01h#pbf 8-lead to-5 metal can C55c to 125c ref01eh#pbf 8-lead to-5 metal can 0c to 70c ref01hh#pbf 8-lead to-5 metal can 0c to 70c ref01ch#pbf 8-lead to-5 metal can 0c to 70c ref02h#pbf 8-lead to-5 metal can C55c to 125c ref02eh#pbf 8-lead to-5 metal can 0c to 70c ref02hh#pbf 8-lead to-5 metal can 0c to 70c ref02ch#pbf 8-lead to-5 metal can 0c to 70c downloaded from: http:///
ref-01/ref-02 3 ref012fd electrical characteristics symbol parameter conditions ref-01a/e, ref-02a/e ref-01h, ref-02h units min typ max min typ max v o output voltage i l = 0ma ref-01 ref-02 9.97 4.985 10 5 10.03 5.015 9.95 4.975 10 5 10.05 5.025 vv output adjustment range r p = 10k ref-01 ref-02 33 5, C27 5, C13 33 5, C27 5, C13 %% e np-p output voltage noise 0.1hz to 10hz (note 7) ref-01 ref-02 20 10 20 10 v p-p v p-p v in input voltage range ref-01 ref-02 12 7 4040 12 7 4040 vv v out v in line regulation (note 2) (v out + 3v) v in 33v 0.0001 0.01 0.0001 0.01 %/v v out i out load regulation (note 2) i l = 0ma to 10ma ref-01 ref-02 0.0005 0.001 0.008 0.01 0.0005 0.001 0.010.01 %/ma %/ma i q quiescent supply current no load 0.65 1.4 0.65 1.4 ma i out load current sink current 10 C0.3 20 C20 10 C0.3 20 C20 mama i sc short-circuit current v o = 0v 25 25 ma v t temperature voltage output (note 3) ref-02 only 620 620 mv v in = 15v, t a = 25c unless otherwise noted. order information lead free finish part marking package description temperatu re range ref02dh#pbf 8-lead to-5 metal can 0c to 70c ref01ej8#pbf 8-lead cerdip 0c to 70c ref01hj8#pbf 8-lead cerdip 0c to 70c ref01cj8#pbf 8-lead cerdip 0c to 70c ref02ej8#pbf 8-lead cerdip 0c to 70c ref02hj8#pbf 8-lead cerdip 0c to 70c ref02cj8#pbf 8-lead cerdip 0c to 70c ref02dj8#pbf 8-lead cerdip 0c to 70c obsolete consider the n package for alternate source lead based finish part marking package description temperature range ref02ah ref02ah 8-lead to-5 metal can C55c to 125c ref02aj8 ref02aj8 8-lead cerdip C55c to 125c consult ltc marketing for parts speci? ed with wider operating temp erature ranges. for more information on lead free part marking, go to: http://www.linear.com/leadfree/ for more information on tape and reel speci? cations, go to: http://www.linear.com/tapeandreel/ symbol parameter conditions ref-01c, ref-02c ref-02d units min typ max min typ max v o output voltage i l = 0ma ref-01 ref-02 9.9 4.95 10 5 10.1 5.05 4.9 5 5.1 vv output adjustment range r p = 10k ref-01 ref-02 2.7 5, C27 5, C13 2 5, C13 %% e np-p output voltage noise 0.1hz to 10hz (note 7) ref-01 ref-02 30 12 12 v p-p v p-p v in = 15v, t a = 25c unless otherwise noted. downloaded from: http:///
ref-01/ref-02 4 ref012fd the l denotes the speci? cations which apply over the full operating temperature range, otherwise speci? cations are at t a = 25c. v in = 15v, C55c t a 125c for ref-01a/ref-02a and ref-01/ref-02, 0c t a 70c for ref-01e/ref-02e and ref-01h/ref-02h, i l = 0ma unless otherwise noted. symbol parameter conditions ref-01a/e, ref-02a/e ref-01h/ ref-02h units min typ max min typ max v t output voltage change with temperature (notes 4, 5) 0c t a 70c C55c t a 125c ll 0.02 0.09 0.06 0.15 0.035 0.144 0.17 0.45 %% tc output voltage temperature coef? cient (note 6) l 58 . 5 8 2 5p p m / c change in v o temperature coef? cient with output adjustment r p = 10k l 0.5 0.5 ppm/% v out v in line regulation (v out + 3v) v in 33v (note 2) 0c t a 70c C55c t a 125c ll 0.0001 0.0001 0.012 0.015 0.0001 0.0001 0.012 0.015 %/v %/v v out i out load regulation (i l = 0ma to 8ma) (note 2) 0c t a 70c C55c t a 125c ll 0.002 0.002 0.01 0.012 0.002 0.002 0.012 0.015 %/ma %/ma temperature voltage output temperature coef? cient (note 3) ref-02 l 2.1 2.1 mv/c electrical characteristics symbol parameter conditions ref-01c, ref-02c ref-02d units min typ max min typ max vt output voltage change with temperature (notes 4, 5) l 0.45 1.7 % tc output voltage temperature coef? cient (note 6) l 86 5 82 5 0p p m / c change in v o temperature coef? cient with output adjustment r p = 10k l 0.5 0.5 ppm/% v out v in line regulation (note 2) v in = 8v to 30v l 0.0001 0.018 0.0001 0.05 %/v v out i out load regulation (note 2) i l = 0ma to 5ma l 0.002 0.018 0.002 0.05 %/ma temperature voltage output temperature coef? cient (note 3) ref-02 l 2.1 2.1 mv/c symbol parameter conditions ref-01c, ref-02c ref-02d units min typ max min typ max v out v in line regulation (note 2) (v out + 3v) v in 33v 0.0001 0.015 0.0001 0.04 %/v v out i out load regulation (note 2) i l = 0ma to 8ma i l = 0ma to 4ma 0.0005 0.015 0.001 0.04 %/ma %/ma i q quiescent supply current no load 0.65 1.6 0.65 2 ma i out load current sink current 8 C0.2 2020 8 C0.2 2020 mama i sc short-circuit current v o = 0v 25 25 ma v t temperature voltage output (note 3) ref-02 only 620 620 mv the l denotes the speci? cations which apply over the full operating temperature range, otherwise speci? cations are at t a = 25c. v in = 15v, 0c t a 70c and i l = 0ma unless otherwise noted. v in = 15v, t a = 25c unless otherwise noted. downloaded from: http:///
ref-01/ref-02 5 ref012fd note 1: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. exposure to any absolute maximum rating condition for extended periods may affect device reliability and lifetime. note 2: line and load regulation speci? cations include the effect of self heating.note 3: limit current in or out of pin 3 to 50na and capacitance on pin 3 to 30pf. note 4: v is de? ned as the absolute difference between the maximum output voltage and the minimum output voltage over the speci? ed temperature range expressed as a percentage of nominal output. v v max v min v out = ? ?100 note 5: v speci? cation applies trimmed or untrimmed. note 6: tc is de? ned as v divided by the temperature range, i.e., tc v t max t min = ? note 7: 0.1hz to 10hz noise cannot be 100% tested on modern high speed test equipment, so linear technology does not put a guaranteed maximum speci? cation on this parameter for standard units. 100% bench testing of 0.1hz to 10hz noise is available on special request. to ensure low output noise, linear technology does 100% test 10hz to 1khz noise. consult factory for details. electrical characteristicspackage description .050 (1.270) max .016 ? .021** (0.406 ? 0.533) .010 ? .045* (0.254 ? 1.143) seating plane .040 (1.016) max .165 ? .185 (4.191 ? 4.699) gaugeplane referenceplane .500 ? .750 (12.700 ? 19.050) .305 ? .335 (7.747 ? 8.509) .335 ? .370 (8.509 ? 9.398) dia .230 (5.842) typ .027 ? .045 (0.686 ? 1.143) .028 ? .034 (0.711 ? 0.864) .110 ? .160 (2.794 ? 4.064) insulating standoff 45 h8 (to-5) 0.230 pcd 0204 lead diameter is uncontrolled between the reference plane and the seating plane for solder dip lead finish, lead diameter is .016 ? .024 (0.406 ? 0.610) * ** pin 1 h package 8-lead to-5 metal can (.230 inch pcd) (reference ltc dwg # 05-08-1321) downloaded from: http:///
ref-01/ref-02 6 ref012fd package description j8 08 01 .014 ? .026 (0.360 ? 0.660) .200 (5.080) max .015 ? .060 (0.381 ? 1.524) .125 3.175 min .100 (2.54) bsc .300 bsc (7.62 bsc) .008 ? .018 (0.203 ? 0.457) 0 ? 15 .005 (0.127) min .405 (10.287) max .220 ? .310 (5.588 ? 7.874) 12 3 4 8 7 65 .025 (0.635) rad typ .045 ? .068 (1.143 ? 1.650) full lead option .023 ? .045 (0.584 ? 1.143) half lead option corner leads option (4 plcs) .045 ? .065 (1.143 ? 1.651) note: lead dimensions apply to solder dip/plate or tin plate leads j8 package 8-lead cerdip (narrow .300 inch, hermetic) (reference ltc dwg # 05-08-1110) downloaded from: http:///
ref-01/ref-02 7 ref012fd information furnished by linear technology corpor ation is believed to be accurate and reliable. however, no responsibility is assumed for its use. linear technolo gy corporation makes no representa- t i o n t h a t t h e i n t e r c o n n e c t i o n o f i t s c i r c u i t s a s d e s c r i b e d h e r e i n w i l l n o t i n f r i n g e o n e x i s t i n g p a t e n t r i g h t s . package description n8 1002 .065 (1.651) typ .045 ? .065 (1.143 ? 1.651) .130 .005 (3.302 0.127) .020 (0.508) min .018 .003 (0.457 0.076) .120 (3.048) min 12 3 4 8 76 5 .255 .015* (6.477 0.381) .400* (10.160) max .008 ? .015 (0.203 ? 0.381) .300 ? .325 (7.620 ? 8.255) .325 +.035?.015 +0. 889 ?0.381 8.255 () note:1. dimensions are inches millimeters *these dimensions do not include mold flash or protrusions. mold flash or protrusions shall not exceed .010 inch (0.254mm) .100 (2.54) bsc n8 package 8-lead pdip (narrow .300 inch) (reference ltc dwg # 05-08-1510) downloaded from: http:///
ref-01/ref-02 8 ref012fd linear technology corporation 1630 mccarthy blvd., milpitas, ca 95035-7417 (408) 432-1900 fax: (408) 434-0507 www.linear.com ? linear technology corporation 1991 lt 0409 rev d printed in usa related parts part number description comments lt1019 0.05%, 5ppm/c precision reference pin compatible with t he ref-01, ref-02, improved specs downloaded from: http:///
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