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? 2001-2012 microchip technology inc. ds21498d-page 1 tc1047/tc1047a features supply voltage range: - tc1047: 2.7v to 4.4v - tc1047a: 2.5v to 5.5v wide temperature measurement range: --40 o c to +125 o c high temperature converter accuracy: - 2 o c, max, at 25c linear temperature slope: 10 mv/c (typ.) available in 3-pin sot-23b package very low supply current: -35a typical applications cellular phones power supply thermal shutdown temperature-controlled fans temperature measurement/instrumentation temperature regulators consumer electronics portable battery-powered equipment block diagram general description the tc1047 and tc1047a are linear voltage output temperature sensors whose output voltage is directly proportional to the measured temperature. the tc1047 and tc1047a can accurately measure temperature from -40c to +125c. with the tc1047, the supply voltage can vary between 2.7v and 4.4v. the power supply range of the tc1047a is from 2.5v to 5.5v. the output voltage range for these devices is typically 100 mv at -40c, 500 mv at 0c, 750 mv at +25c and 1.75v at +125c. a 10 mv/c voltage slope output response allows for a predictable temperature measurement over a wide temperature range. the tc1047 and tc1047a are packaged in 3-pin sot-23b packages, making them ideal for space-critical applications. package type tc1047a v dd = 2.5v to 5.5v v dd pic ? a/d v ss microcontroller converter note: 3-pin sot-23b is equivalent to jedec to-236 v out v ss v dd 3-pin sot-23b (note) tc1047/1047a 1 2 3 precision temperature-to-voltage converter downloaded from: http:///
tc1047/tc1047a ds21498d-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. electrical characteristics temperature characteristics electrical specifications: unless otherwise indicated, these specifications apply for the entire supply voltage range and for t a = -40c to +125c. parameters sym min typ max units conditions supply voltage v dd 2.7 4.4 v tc1047 2.5 5.5 v tc1047a supply current, operating i q 3 56 0 a average slope of output voltage a v 10 mv/c temperature accuracy tmp acy -2 0.5 +2 c t a = 25c -3 0.5 +3 c t a = +125c 1 . 0 ct a = -40c output voltage v out 1 0 0 m vt a = -40c 730 750 770 mv t a = 25c 1720 1750 1780 mv t a = +125c output source and sink current i out 100 a electrical specifications: unless otherwise indicated, v dd = +2.3v to +5.5v and v ss = gnd. parameters sym min typ max units conditions temperature ranges specified temperature range t a -40 +85 c operating temperature range t a -40 +125 c note 1 storage temperature range t a -65 +150 c thermal package resistances thermal resistance, 3l-sot-23b ? ja 3 3 6 c / w note 1: the tc1047/tc1047a operate over this extended temper ature range, but with reduced performance. in any case, the junction temperature (t j ) must not exceed the absolute maximum specification of +150c. downloaded from: http:///
? 2001-2012 microchip technology inc. ds21498d-page 3 tc1047/tc1047a 2.0 typical performance curves note: unless otherwise indicated, v dd = 2.7v thru 4.4v and t a = -40c to +125c. figure 2-1: temperature accuracy vs. temperature. figure 2-2: supply current vs. temperature. 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. ?3 ?2 ?1 0 1 2 3 ?40?25 ?10 5 2035 50 65 80 95 110125 v dd = 2.5v v dd = 5.5v temp accy ( c) temperature ( c) 0 10 20 30 40 50 -40 -25 -10 5 20 35 50 65 80 95 110 125 temp. ( c) i dd ( a) v dd = 5.5v v dd = 2.5v downloaded from: http:///
tc1047/tc1047a ds21498d-page 4 ? 2001-2012 microchip technology inc. 3.0 pin descriptions the descriptions of the pins are listed in table 3-1. table 3-1: pin function table 4.0 detailed description the tc1047 and tc1047a have an output voltage that varies linearly with temperature in degrees celsius. figure 4-1 shows a plot of the output voltage versus temperature for the tc1047 and tc1047a. the temperature slope is fixed at 10 mv/c and the output voltage at 0c is 500 mv. figure 4-1: output voltage vs. temperature. pin no. symbol description 1v dd input supply voltage 2v out temperature sensor output terminal 3v ss ground terminal 1.75 1.7 1.5 1.3 1.1 0.9 0.7 0.5 0.3 0.1 ?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 = (10 mv/ c) (temperature c) + 500 mv downloaded from: http:///
? 2001-2012 microchip technology inc. ds21498d-page 5 tc1047/tc1047a 5.0 package information 5.1 package marking information 1 & 2 = part number code + temperature range and voltage 3 = year and quarter code 4 = lot id number part number code tc1047 al tc1047a bl 3-pin sot-23b ???? legend: xx...x customer-specific information* y year code (last digit of calendar year) yy year code (last 2 digits of calendar year) ww week code (week of january 1 is week 01) nnn alphanumeric traceability code pb-free jedec designator for matte tin (sn) * this package is pb-free. the pb-free jedec designator ( ) can be found on the outer packaging for this package. note : in the event the full microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. 3 e 3 e downloaded from: http:///
tc1047/tc1047a ds21498d-page 6 ? 2001-2012 microchip technology inc. 3-lead plastic small outline transistor (tt) (sot-23) 10 5 0 10 5 0 b mold draft angle bottom 10 5 0 10 5 0 a mold draft angle top 0.51 0.44 0.37 .020 .017 .015 b lead width 0.18 0.14 0.09 .007 .006 .004 c lead thickness 10 5 0 10 5 0 f foot angle 0.55 0.45 0.35 .022 .018 .014 l foot length 3.04 2.92 2.80 .120 .115 .110 d overall length 1.40 1.30 1.20 .055 .051 .047 e1 molded package width 2.64 2.37 2.10 .104 .093 .083 e overall width 0.10 0.06 0.01 .004 .002 .000 a1 standoff 1.02 0.95 0.88 .040 .037 .035 a2 molded package thickness 1.12 1.01 0.89 .044 .040 .035 a overall height 1.92 .076 p1 outside lead pitch (basic) 0.96 .038 p pitch 3 3 n number of pins max nom min max nom min dimension limits millimeters inches* units 2 1 p d b n e e1 l c b f a a2 a a1 p1 exceed .005" (0.127mm) per side. dimensions d and e1 do not include mold flash or protrusions. mold flash or protrusions shal l not notes: jedec equivalent: to-236 drawing no. c04-104 revised 03-11-05 *controlling parameter note: for the most current package drawings, please see the microchip packaging specification located at http://www.microchip.com/packaging downloaded from: http:///
? 2001-2012 microchip technology inc. ds21498d-page 7 tc1047/tc1047a appendix a: revision history revision d (december 2012) added a note to each package outline drawing. revision c (may 2005) the following is the list of modifications: 1. added appendix a: revision history. revision b (may 2002) revision a (march 2001) original release of this document. downloaded from: http:///
tc1047/tc1047a ds21498d-page 8 l ? 2001-2012 microchip technology inc. notes: downloaded from: http:///
? 2001-2012 microchip technology inc. ds21498d-page 9 tc1047/tc1047a product identification system to order or obtain information, e. g., on pricing or delivery, refer to the factory or the listed sales office . device: tc1047: precision temp-to-voltage converter tc1047xtr: precision temp-to-voltage converter (tape and reel) temperature range: v = -40c to +125c package: nb = plastic small outline transistor, sot-23b, 3-lead part no. x temperature device examples: a) tc1047vnbtr: precision temp-to-volt- age converter b) tc1047avnbtr: precision temp-to-volt- age converter range xx package downloaded from: http:///
tc1047/tc1047a ds21498d-page 10 ? 2001-2012 microchip technology inc. notes: downloaded from: http:///
? 2001-2012 microchip technology inc. ds21498d-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 buyers 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: 9781620768839 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 products in a manner outside the operating specif ications contained in microchips 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 microchips 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 an d 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 == downloaded from: http:///
ds21498d-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 downloaded from: http:///

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