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? 2001-2012 microchip technology inc. ds21496c-page 1 tc1046 features ? supply voltage range: 2.7v to 4.4v ? wide temperature measurement range: -40 o c to +125 ? c ? high temperature converter accuracy: 2 o c, max, at 25c ? linear temperature slope: 6.25mv/ o c ? very low supply current: 35 ? a typical ? small 3-pin sot-23b package applications ? cellular phones ? power supply thermal shutdown ? temperature controlled fans ? temperature measurement/instrumentation ? temperature regulators ? consumer electronics ? portable battery powered equipment device selection table package type general description the tc1046 is a linear output temperature sensor whose output voltage is directly proportional to measured temperature. the tc1046 can accurately measure temperature from -40c to +125c. the output voltage range for these devices is typically 174mv at -40c, 424mv at 0c, 580 mv at +25c, and 1205mv at +125c. a 6.25mv/c voltage slope allows for the wide temperature range. the tc1046 is packaged in a 3-pin sot-23b package, making them ideal for space critical applications. functional block diagram part number package temp. range tc1046vnb 3-pin sot-23b -40c to +125c note: *3-pin sot-23b is equivalent to jedec to-236 v out v ss v dd 3-pin sot-23b* tc1046 1 2 3 tc1046 v dd = 2.5v to 5.5v v dd 1 2 3 v out picmicro ? a/d converter v ss microcontroller high precision temperatur e-to-voltage converter
tc1046 ds21496c-page 2 ?? 2001-2012 microchip technology inc. 1.0 electrical characteristics absolute maximum ratings* supply voltage ......................................................+7v voltage on any pin with respect to supplies: .................................................v ss -0.3 to v dd + 0.3v operating temperature ......................-40c to +125c storage temperature range ..............-55c to +150c *stresses above those listed under "absolute maximum rat- ings" may cause permanent damag e to the device. these are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specific ations is not implied. expo- sure to absolute maximum rating conditions for extended periods may affect device reliability. tc1046 electrical specifications electrical characteristics: these specifications apply for the entire supply voltage range and for t a = -40c to +125c, unless otherwise specified. symbol parameter min typ max units test conditions v dd supply voltage 2.7 ? 4.4 v i q supply current, operating ? 35 60 ? a a v average slope of output voltage ? 6.25 ? mv/c tmp acy temperature accuracy at 25c -2 -3 ? 0.5 0.5 1.0 +2 +3 ? c c c t a = 25c t a = +125c t a = -40c v out output voltage ? 568 1187 174 580 1205 193 592 1224 mv mv mv t a = -40c t a = 25c t a = +125c i out output source and sink current 100 ? ? ? a
? 2001-2012 microchip technology inc ds21496c-page 3 tc1046 2.0 pin descriptions the descriptions of the pins are listed in table 2-1 table 2-1: pin function table pin number (3-pin sot-23b) symbol description 1v dd input supply voltage 2v out temperature sensor output 3v ss ground
tc1046 ds21496c-page 4 ?? 2001-2012 microchip technology inc. 3.0 detailed description the tc1046 has an output voltage that varies linearly with temperature in degrees celsius. see figure 3-1, ?output voltage versus temperature? for the tc1046. the temperature slope is fixed at 6.25mv/c and the output voltage at 0c is 424mv. figure 3-1: output vo ltage vs. temperature 1.20525 1.174 1.049 0.924 0.799 0.674 0.549 0.424 0.299 0.174 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 125 v out (volts) temperature (?c) v out = (6.25 mv/ (?c) (temperature (?c) + 424mv
? 2001-2012 microchip technology inc ds21496c-page 5 tc1046 4.0 typical characteristics note: the graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. the performance characteristics listed herein are not tested or guaranteed. in some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. 4.0 3.0 2.0 1.0 0.0 -1.0 -2.0 -3.0 -4.0 -40 -50 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 14 0 temp. accuracy ( ? c) temperature ( ?c ) temperature accuracy vs. temperature v dd = 2.5v v dd = 5.5v 60.0 50.0 40.0 30.0 20.0 10.0 0.0 i dd (?) temperature (?c) supply current i dd vs. temperature ?0 ?5 ?0 5 20 35 50 65 80 95 110 125 v dd =5.5v v dd = 2.5v
tc1046 ds21496c-page 6 ?? 2001-2012 microchip technology inc. 5.0 packaging information 5.1 package marking information 1 & 2 = part number code + temperature range and voltage (two letter code) ex: 1046vnb = ak 3 = year and two-month period code 4 = lot id number 5.2 taping form component taping orientation for 3-pin sot-23b (jedec to-236) devices user direction of feed device marking pin 1 standard reel component orientation for tr suffix device (mark right side up) w p package carrier width (w) pitch (p) part per full reel reel size 3-pin sot-23b 8 mm 4 mm 3000 7 in carrier tape, number of components per reel and reel size
? 2001-2012 microchip technology inc ds21496c-page 7 tc1046 5.3 package dimensions .021 ( 0.54 ) .015 ( 0.37 ) .055 ( 1.40 ) .047 ( 1.20 ) .104 ( 2.64 ) .083 ( 2.10 ) .120 ( 3.05 ) .105 ( 2.67 ) .007 ( 0.18 ) .003 ( 0.08 ) .010 ( 0.25 ) .005 ( 0.13 ) .024 ( 0.60 ) .017 ( 0.44 ) .004 ( 0.10 ) .001 ( 0.02 ) .040 ( 1.02 ) .031 ( 0.79 ) .081 ( 2.05 ) .070 ( 1.78 ) 8 max . 3-pin sot-23b dimensions: inches (mm) note: for the most current package drawings, please see the microchip packaging specification located at http://www.microchip.com/packaging
tc1046 ds21496c-page 8 ?? 2001-2012 microchip technology inc. 6.0 revision history revision c (december 2012) added a note to each package outline drawing.
? 2001-2012 microchip technology inc. ds21496c-page 9 tc1046 sales and support data sheets products supported by a preliminary data sheet may have an e rrata sheet describing minor operational differences and recom- mended workarounds. to determine if an erra ta sheet exists for a particular device, please contact one of the following: 1. your local microchip sales office 2. the microchip worldwide site (www.microchip.com) please specify which device, revision of silicon and data sheet (include literature #) you are using. new customer notification system register on our web site (www.microchip.com/cn) to receive the most current information on our products.
tc1046 ds21496c-page 10 ? 2001-2012 microchip technology inc. notes:
? 2001-2012 microchip technology inc. ds21496c-page 11 information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. it is your responsibility to ensure that your application meets with your specifications. microchip makes no representations or warranties of any kind whether express or implied, written or oral, statutory or otherwise, related to the information, including but not limited to its condition, quality, performance, merchantability or fitness for purpose . microchip disclaims all liability arising from this information and its use. use of microchip devices in life support and/or safety applications is entirely at the buyer?s risk, and the buyer agrees to defend, indemnify and hold harmless microchip from any and all damages, claims, suits, or expenses resulting from such use. no licenses are conveyed, implicitly or otherwise, under any microchip intellectual property rights. trademarks the microchip name and logo, the microchip logo, dspic, flashflex, k ee l oq , k ee l oq logo, mplab, pic, picmicro, picstart, pic 32 logo, rfpic, sst, sst logo, superflash and uni/o are registered trademarks of microchip technology incorporated in the u.s.a. and other countries. filterlab, hampshire, hi-tech c, linear active thermistor, mtp, seeval and the embedded control solutions company are registered trademarks of microchip technology incorporated in the u.s.a. silicon storage technology is a registered trademark of microchip technology inc. in other countries. analog-for-the-digital age, app lication maestro, bodycom, chipkit, chipkit logo, codeguard, dspicdem, dspicdem.net, dspicworks, dsspeak, ecan, economonitor, fansense, hi-tide, in-circuit serial programming, icsp, mindi, miwi, mpasm, mpf, mplab certified logo, mplib, mplink, mtouch, omniscient code generation, picc, picc-18, picdem, picdem.net, pickit, pictail, real ice, rflab, select mode, sqi, serial quad i/o, total endurance, tsharc, uniwindriver, wiperlock, zena and z-scale are trademarks of microchip technology incorporated in the u.s.a. and other countries. sqtp is a service mark of microchip technology incorporated in the u.s.a. gestic and ulpp are registered trademarks of microchip technology germany ii gmbh & co. & kg, a subsidiary of microchip technology inc., in other countries. all other trademarks mentioned herein are property of their respective companies. ? 2001-2012, microchip technology incorporated, printed in the u.s.a., all rights reserved. printed on recycled paper. isbn: 9781620768822 note the following details of the code protection feature on microchip devices: ? microchip products meet the specification cont ained in their particular microchip data sheet. ? microchip believes that its family of products is one of the most secure families of its kind on the market today, when used i n the intended manner and under normal conditions. ? there are dishonest and possibly illegal methods used to breach the code protection feature. all of these methods, to our knowledge, require using the microchip produc ts in a manner outside the operating specif ications contained in microchip?s data sheets. most likely, the person doing so is engaged in theft of intellectual property. ? microchip is willing to work with the customer who is concerned about the integrity of their code. ? neither microchip nor any other semiconduc tor manufacturer can guarantee the security of their code. code protection does not mean that we are guaranteeing the product as ?unbreakable.? code protection is constantly evolving. we at microchip are co mmitted to continuously improvin g the code protection features of our products. attempts to break microchip?s code protection feature may be a violation of the digital millennium copyright act. if such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that act. microchip received iso/ts-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in chandler and tempe, arizona; gresham, oregon and design centers in california and india. the company?s quality system processes and procedures are for its pic ? mcus and dspic ? dscs, k ee l oq ? code hopping devices, serial eeproms, microperipherals, nonvolatile memory and analog products. in addition, microchip?s quality system for the design and manufacture of development systems is iso 9001:2000 certified. quality management s ystem certified by dnv == iso/ts 16949 ==
ds21496c-page 12 ? 2001-2012 microchip technology inc. americas corporate office 2355 west chandler blvd. chandler, az 85224-6199 tel: 480-792-7200 fax: 480-792-7277 technical support: http://www.microchip.com/ support web address: www.microchip.com atlanta duluth, ga tel: 678-957-9614 fax: 678-957-1455 boston westborough, ma tel: 774-760-0087 fax: 774-760-0088 chicago itasca, il tel: 630-285-0071 fax: 630-285-0075 cleveland independence, oh tel: 216-447-0464 fax: 216-447-0643 dallas addison, tx tel: 972-818-7423 fax: 972-818-2924 detroit farmington hills, mi tel: 248-538-2250 fax: 248-538-2260 indianapolis noblesville, in tel: 317-773-8323 fax: 317-773-5453 los angeles mission viejo, ca tel: 949-462-9523 fax: 949-462-9608 santa clara santa clara, ca tel: 408-961-6444 fax: 408-961-6445 toronto mississauga, ontario, canada tel: 905-673-0699 fax: 905-673-6509 asia/pacific asia pacific office suites 3707-14, 37th floor tower 6, the gateway harbour city, kowloon hong kong tel: 852-2401-1200 fax: 852-2401-3431 australia - sydney tel: 61-2-9868-6733 fax: 61-2-9868-6755 china - beijing tel: 86-10-8569-7000 fax: 86-10-8528-2104 china - chengdu tel: 86-28-8665-5511 fax: 86-28-8665-7889 china - chongqing tel: 86-23-8980-9588 fax: 86-23-8980-9500 china - hangzhou tel: 86-571-2819-3187 fax: 86-571-2819-3189 china - hong kong sar tel: 852-2943-5100 fax: 852-2401-3431 china - nanjing tel: 86-25-8473-2460 fax: 86-25-8473-2470 china - qingdao tel: 86-532-8502-7355 fax: 86-532-8502-7205 china - shanghai tel: 86-21-5407-5533 fax: 86-21-5407-5066 china - shenyang tel: 86-24-2334-2829 fax: 86-24-2334-2393 china - shenzhen tel: 86-755-8864-2200 fax: 86-755-8203-1760 china - wuhan tel: 86-27-5980-5300 fax: 86-27-5980-5118 china - xian tel: 86-29-8833-7252 fax: 86-29-8833-7256 china - xiamen tel: 86-592-2388138 fax: 86-592-2388130 china - zhuhai tel: 86-756-3210040 fax: 86-756-3210049 asia/pacific india - bangalore tel: 91-80-3090-4444 fax: 91-80-3090-4123 india - new delhi tel: 91-11-4160-8631 fax: 91-11-4160-8632 india - pune tel: 91-20-2566-1512 fax: 91-20-2566-1513 japan - osaka tel: 81-6-6152-7160 fax: 81-6-6152-9310 japan - tokyo tel: 81-3-6880- 3770 fax: 81-3-6880-3771 korea - daegu tel: 82-53-744-4301 fax: 82-53-744-4302 korea - seoul tel: 82-2-554-7200 fax: 82-2-558-5932 or 82-2-558-5934 malaysia - kuala lumpur tel: 60-3-6201-9857 fax: 60-3-6201-9859 malaysia - penang tel: 60-4-227-8870 fax: 60-4-227-4068 philippines - manila tel: 63-2-634-9065 fax: 63-2-634-9069 singapore tel: 65-6334-8870 fax: 65-6334-8850 taiwan - hsin chu tel: 886-3-5778-366 fax: 886-3-5770-955 taiwan - kaohsiung tel: 886-7-213-7828 fax: 886-7-330-9305 taiwan - taipei tel: 886-2-2508-8600 fax: 886-2-2508-0102 thailand - bangkok tel: 66-2-694-1351 fax: 66-2-694-1350 europe austria - wels tel: 43-7242-2244-39 fax: 43-7242-2244-393 denmark - copenhagen tel: 45-4450-2828 fax: 45-4485-2829 france - paris tel: 33-1-69-53-63-20 fax: 33-1-69-30-90-79 germany - munich tel: 49-89-627-144-0 fax: 49-89-627-144-44 italy - milan tel: 39-0331-742611 fax: 39-0331-466781 netherlands - drunen tel: 31-416-690399 fax: 31-416-690340 spain - madrid tel: 34-91-708-08-90 fax: 34-91-708-08-91 uk - wokingham tel: 44-118-921-5869 fax: 44-118-921-5820 worldwide sales and service 11/29/12

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