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rev.2.1 _00 cmos temperature sensor ic s-5813a/14a/15a/16a series seiko instruments inc. 1 the s-5813a/14a/15a/16a se ries is a family of hi gh-precision temperature sensor ics on a single chip with a linear output voltage for temperature changes. each chip is composed of a temperatur e sensor, a constant current circuit, and an operational amplifier. the operating ambient te mperature is from ?40 c to + 100 c. these devices have much better linearity than other temperature sensors such as thermistors, and can be used for a wide range of temperature control applications. ? features ? temperature accuracy s-5813a/15a series : 5.0 c (?30 c to + 100 c) s-5814a/16a series : 2.5 c (?30 c to + 100 c) ? linear output voltage ?11.04 mv/ c typ. ta = ? 30 c : 2.582 v typ. ta = + 30 c : 1.940 v typ. ta = + 100 c : 1.145 v typ. ? nonlinearity 0.5% typ. (?20 c to + 80 c) ? wide power supply voltage operation v dd = 2.4 v to 10.0 v ( + 25 c) ? low current consumption 4.0 a typ. ( + 25 c) ? built-in operational amplifier ? output voltage referred to v ss ? small package snt-4a (s-5813a/14a series), wlp-4b (s-5815a/16a series) ? lead-free products ? applications ? compensation of high-frequency circuits such as cellular phones and radio equipment ? compensation of oscillation frequency in crystal oscillator ? lcd contrast compensation ? compensation of amplifier gain ? compensation of auto focus circuits ? temperature detection in battery management ? overheating prevention for c harged batteries or halogen lights ? packages package name drawing code package tape reel land snt-4a pf004-a pf004-a pf004-a pf004-a wlp-4b hb004-b hb004-b hb004-b ?
cmos temperature sensor ic s-5813a/14a/15a/16a series rev.2.1 _00 seiko instruments inc. 2 ? block diagram temperature sensor vout vdd vss figure 1
cmos temperature sensor ic rev.2.1 _00 s-5813a/14a/15a/16a series seiko instruments inc. 3 ? product name structure ? the product types for the s-5813a/14a/15a /16a series can be selected at the user?s request. please refer to the followings regarding the construction of the product name and t he full product name. s-5813a/14a series : ? 1. product name ?, ? 2. product name list ? s-5815a/16a series : ? 3. product name ?, ? 4. product name list ? 1. s-5813a/14a series 1. 1 product name s-581 x a - i4t1 g package name (abbreviation) and packing specifications *1 i4t1 : snt-4a, tape product type 3 : temperature accuracy 5.0 c 4 : temperature accuracy 2.5 c *1. refer to the tape specificat ions at the end of this book. 1. 2 product name list table 1 product name temperature accuracy package s-5813a-i4t1g 5.0 c snt-4a s-5814a-i4t1g 2.5 c snt-4a 2. s-5815a/16a series 2. 1 product name s-581 x a - h4t1 package name (abbreviation) and packing specifications *1 h4t1 : wlp-4b, tape product type 5 : temperature accuracy 5.0 c 6 : temperature accuracy 2.5 c *1. refer to the tape specificat ions at the end of this book. 2. 2 product name list table 2 product name temperature accuracy package S-5815A-H4T1 5.0 c wlp-4b s-5816a-h4t1 2.5 c wlp-4b
cmos temperature sensor ic s-5813a/14a/15a/16a series rev.2.1 _00 seiko instruments inc. 4 ? pin configurations table 3 (s-5813a/14a series) pin no. pin name pin description 1 vss gnd pin 2 vdd power supply pin 3 vout output voltage pin 4 nc *1 no connection snt-4a top view 1 4 2 3 s-5813a/14a *1. the nc pin is electrically open. the nc pin can be connected to vdd or vss. figure 2 table 4 (s-5815a/16a series) pin no. pin name pin description 1 vdd power supply pin 2 vss *1 gnd pin 3 vss *1 gnd pin 4 vout output voltage pin wlp-4b top view s-5815a 4 3 1 2 *1. connect both vss pins to gnd. figure 3 wlp-4b top view 4 3 1 2 s-5816a figure 4 wlp-4b bottom view s-5815a/16a 1 2 4 3 figure 5
cmos temperature sensor ic rev.2.1 _00 s-5813a/14a/15a/16a series seiko instruments inc. 5 ? absolute maximum ratings table 5 (ta = + 25 c unless otherwise specified) item symbol absolute maximum rating unit power supply pin voltage v dd v ss ? 0.3 to v ss + 12.0 v output voltage v out v ss ? 0.3 to v dd + 0.3 v 140 (when not mounted on board) mw snt-4a 300 *1 mw power dissipation wlp-4b p d 290 *1 mw operating ambient temperature t opr ?40 to + 100 c storage temperature t stg ?40 to + 125 c *1. when mounted on board [mounted board] (1) board size : 114.3 mm 76.2 mm t1.6 mm (2) board name : jedec standard51-7 caution the absolute maximum ra tings are rated values exceeding whic h the product could suffer physical damage. these values must therefor e not be exceeded under any conditions.
cmos temperature sensor ic s-5813a/14a/15a/16a series rev.2.1 _00 seiko instruments inc. 6 ? electrical characteristics 1. s-5813a/15a series table 6 (ta = + 25 c, v dd = 5.0 v, i out = 0 a unless otherwise specified) item symbol conditions min. typ. max. unit test circuit ? 2.40 ? 10.00 v 1 ta = ? 20 c to + 100 c 2.65 ? 10.00 v 1 power supply voltage v dd ta = ? 30 c to + 100 c 2.90 ? 10.00 v 1 ta = ? 30 c 2.528 2.582 2.636 v 1 ta = + 30 c 1.886 1.940 1.994 v 1 output voltage v out ta = + 100 c 1.091 1.145 1.199 v 1 temperature sensitivity v se ta = ? 30 c to + 100 c ? 11.31 ? 11.04 ? 10.77 mv/ c ? nonlinearity ? n l ta = ? 20 c to + 80 c ? 0.5 ? % ? operating tem perature range t opr ? ? 40 ? 100 c ? current consumption i dd ? ? 4.0 8.0 a 1 line regulation ? v out1 v dd = 2.4 v to 10.0 v ? ? 0.05 %/v 2 load regulation *1 ? v out2 i out = 0 a to 200 a ? ? 1.0 mv 2 *1. do not flow current in to the output voltage pin. 2. s-5814a/16a series table 7 (ta = + 25 c, v dd = 5.0 v, i out = 0 a unless otherwise specified) item symbol conditions min. typ. max. unit test circuit ? 2.40 ? 10.00 v 1 ta = ? 20 c to + 100 c 2.65 ? 10.00 v 1 power supply voltage v dd ta = ? 30 c to + 100 c 2.90 ? 10.00 v 1 ta = ? 30 c 2.555 2.582 2.609 v 1 ta = + 30 c 1.913 1.940 1.967 v 1 output voltage v out ta = + 100 c 1.118 1.145 1.172 v 1 temperature sensitivity v se ta = ? 30 c to + 100 c ? 11.31 ? 11.04 ? 10.77 mv/ c ? nonlinearity ? n l ta = ? 20 c to + 80 c ? 0.5 ? % ? operating tem perature range t opr ? ? 40 ? 100 c ? current consumption i dd ? ? 4.0 8.0 a 1 line regulation ? v out1 v dd = 2.4 v to 10.0 v ? ? 0.05 %/v 2 load regulation *1 ? v out2 i out = 0 a to 200 a ? ? 1.0 mv 2 *1. do not flow current in to the output voltage pin.
cmos temperature sensor ic rev.2.1 _00 s-5813a/14a/15a/16a series seiko instruments inc. 7 ? test circuits 1. vss vdd v a vout s-5813a/14a/ 15a/16a series v c in figure 6 2. vss vdd vout v v a i out s-5813a/14a/ 15a/16a series c in figure 7
cmos temperature sensor ic s-5813a/14a/15a/16a series rev.2.1 _00 seiko instruments inc. 8 ? explanation of terms 1. output voltage (v out ) v out indicates the output voltage at ta = ?30 c, ta = + 30 c, and ta = + 100 c. output voltage (v out ) max. min. 0 c + 30 c + 100 c temperature (ta) ? 30 c figure 8
cmos temperature sensor ic rev.2.1 _00 s-5813a/14a/15a/16a series seiko instruments inc. 9 2. temperature sensitivity (v se ) v se indicates the temperature coeffici ent of the output volta ge calculated using the output voltage at ta = ? 30 c and ta = + 100 c. v se is calculated using the following formula. [ ] 3 * *2 *1 130 v v v out out se ? = output voltage (v out ) v out (at ta = ? 30 c) 0 c + 30 c + 100 c temperature (ta) v out (at ta = + 100 c) v se ? 30 c figure 9 *1. v out value [v] at ta = + 100 c. *2. v out value [v] at ta = ? 30 c. *3. the difference of the temperature [ c] from ta = + 100 c to ta = ? 30 c.
cmos temperature sensor ic s-5813a/14a/15a/16a series rev.2.1 _00 seiko instruments inc. 10 3. nonlinearity ( ? n l ) ? n l indicates the nonlinearity of t he output voltage and is defi ned as the difference of the characteristic curve of the output voltage and the approximation line shown below. ? n l is calculated using the following formula. 100 b a ? n l = 2 * *1 output voltage (v out ) v out (at ta = ? 20 c) 0 c + 80 c temperature (ta) v out (at ta = + 80 c) (b) actual measurement of output voltage a a (a) approximation line a b ? 20 c *1. the maximum deviation of the act ual measurement of output voltage (b) and an approximation line (a) in temperature within ? 20 c to + 80 c. the approximation line is the line drawn so that ?a? should be the minimum value. *2. the difference of the output voltage within ? 20 c to + 80 c. figure 10 4. line regulation ( ? v out1 ) ? v out1 indicates the output voltage dependency of the input vo ltage. that is, the values express how the output voltage changes, when input voltage is changed under the c ondition that output cu rrent is fixed. 5. load regulation ( ? v out2 ) ? v out2 indicates the output voltage dependency of the output current. that is, t he values express how the output voltage changes, when output current is changed under the condition t hat input voltage is fixed.
cmos temperature sensor ic rev.2.1 _00 s-5813a/14a/15a/16a series seiko instruments inc. 11 ? precautions ? wiring patterns for the vdd pin, vout pin, and vss pin should be designed to hold low impedance. ? in this ic, if load capacitance of the vout pin is large, vout pin voltage may oscillate. it is recommended not to use the external capacitor between the vout and vss pin. when using an external capac itor, mount it near the vout pin. when connecting an a/d converter etc. to t he vout pin, the input pi n capacitance of the a/d c onverter and the parasitic capacitance component between wires are included as load capacitance. to prevent oscillation, it is recommended to use the following output load condition. load capacitance of vout pin (c l ) : 2.2 f or less vout vdd vss c l v out s-5813a/14a/ 15a/16a series c in figure 11 caution the above connection diag ram and constant will not guarantee successful operation. perform through evaluation using the actual application to set the constant. ? please do not connect a pull-up resi stor to the output voltage pin. ? the application condition for input voltage, output voltage and load voltage must not ex ceed the package power dissipation. ? do not apply an electrostatic discharge to this ic that ex ceeds the performance ratings of the built-in electrostatic protection circuit. ? sii claims no responsibility for any disput es arising out of or in connection with any infringement by products including this ic of patents owned by a third party. ? precautions for wlp package ? the side of device silicon substrate is exposed to the marking side of device package. since this portion has lower strength against the mechanical stress t han the standard plastic package, chip, cr ack, etc should be careful of the handing of a package enough. moreover, the exposed side of silicon has electrical potential of devic e substrate, and needs to be kept out of contact with the external potential. ? in this package, the overcoat of the resin of translucence is carried out on the side of device area. keep it mi nd that it may affect the characteristic of a device when exposed a device in t he bottom of a high light source.
cmos temperature sensor ic s-5813a/14a/15a/16a series rev.2.1 _00 seiko instruments inc. 12 ? characteristics (typical data) 1. output voltage (v out ) vs. temperature (ta) 2. current consumption (i dd ) vs. temperature (ta) ? 40 ? 20 0 + 20 + 40 + 60 + 80 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 + 100 v out [v] ta [ c ] ? 40 ? 20 0 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 v dd = 5.0 v v dd = 10.0 v v dd = 2.4 v i dd [ a] ta [ c ] + 20 + 40 + 60 + 80 + 100 3. error range of each temperature 4. current consumption (i dd ) vs. power supply voltage (v dd ) ? 40 ? 20 0 + 6 + 4 + 2 0 ? 2 ? 4 ? 6 ta [ c ] approximation line: v out [mv] = ? 11.02 [mv/ c ] ta [ c ] + 2245 [mv] + 20 + 40 + 60 + 80 + 100 2.0 3.0 4.0 5.0 6.0 7.0 8.0 10 9 8 7 6 5 9.0 4 10.0 3 2 1 0 ta = + 100 c ta = + 30 c ta = ? 40 c i dd [ a] v dd [v] 5. output voltage (v out ) vs. power supply voltage (v dd ) 2.0 3.0 4.0 5.0 6.0 7.0 8.0 2.684 2.683 2.682 2.681 2.680 2.679 9.0 2.678 10.0 2.677 2.676 2.675 2.674 v out [v] v dd [v] ta = ? 40 c 2.0 3.0 4.0 5.0 6.0 7.0 8.0 1.941 1.940 1.939 1.938 1.937 1.936 9.0 1.935 10.0 1.934 1.933 1.932 1.931 v out [v] v dd [v] ta = + 30 c 2.0 3.0 4.0 5.0 6.0 7.0 8.0 1.150 1.149 1.148 1.147 1.146 1.145 9.0 1.144 10.0 1.143 1.142 1.141 1.140 v out [v] v dd [v] ta = + 100 c difference between the temperature converted into approximation line and actual temperature [ c]
cmos temperature sensor ic rev.2.1 _00 s-5813a/14a/15a/16a series seiko instruments inc. 13 6. output voltage (v out ) vs. load current (i out ) 0 0.2 0.4 0.6 0.8 1.0 3.0 2.5 2.0 1.5 1.0 0.5 0 0.1 0.3 0.5 0.7 0.9 ta = + 100 c ta = + 30 c ta = ? 40 c v out [v] i out [ma] v dd = 2.4 v 0 1.0 2.0 3.0 4.0 3.0 2.5 2.0 1.5 1.0 0.5 0 0.5 1.5 2.5 3.5 ta = + 100 c ta = + 30 c v out [v] i out [ma] v dd = 5.0 v ta = ? 40 c 0 4.0 8.0 12.0 3.0 2.5 2.0 1.5 1.0 0.5 0 2.0 6.0 10.0 ta = + 100 c ta = + 30 c ta = ? 40 c v out [v] i out [ma] v dd = 10.0 v 7. heat response output voltage (v out ) vs. time (t) when packages are put into the air of + 100 c from the air of + 25 c when packages are put into the liquid of + 100 c from the air of + 25 c 0 60 120 180 1.7 1.6 1.5 1.4 1.3 1.2 1.1 30 90 150 2.1 2.0 1.9 1.8 210 240 snt-4a wlp-4b v out [v] t [s] 0204060 1.7 1.6 1.5 1.4 1.3 1.2 1.1 10 30 50 2.1 2.0 1.9 1.8 snt-4a v out [v] t [s] wlp-4b 8. start up response t (50 s / div.) ta = + 25 c, c l = 100 pf, r l = 10 m ? v dd (= 5.0 v) v out 1 v / div. gnd 1 v / div. gnd t (50 s / div.) ta = + 25 c, c l = 100 pf, r l = 10 m ? v dd (= 2.4 v) v out 1 v / div. gnd 1 v / div. gnd
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the information described herein is subject to change without notice. seiko instruments inc. is not responsible for any problems caused by circuits or diagrams described herein whose related industrial properties, patents, or other rights belong to third parties. the application circuit examples explain typical applications of the products, and do not guarantee the success of any specific mass-production design. when the products described herein are regulated products subject to the wassenaar arrangement or other agreements, they may not be exported without authorization from the appropriate governmental authority. use of the information described herein for other purposes and/or reproduction or copying without the express permission of seiko instruments inc. is strictly prohibited. the products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of seiko instruments inc. although seiko instruments inc. exerts the greatest possible effort to ensure high quality and reliability, the failure or malfunction of semiconductor products may occur. the user of these products should therefore give thorough consideration to safety design, including redundancy, fire-prevention measures, and malfunction prevention, to prevent any accidents, fires, or community damage that may ensue.

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