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LMT86-Q1 Datasheet(PDF) 10 Page - Texas Instruments |
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LMT86-Q1 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 30 page Thermal Diodes OUT VDD GND LMT86, LMT86-Q1 SNIS169C – MARCH 2013 – REVISED OCTOBER 2015 www.ti.com 8 Detailed Description 8.1 Overview The LMT86/LMT86-Q1 is an analog output temperature sensor. The temperature sensing element is comprised of a simple base emitter junction that is forward biased by a current source. The temperature sensing element is then buffered by an amplifier and provided to the OUT pin. The amplifier has a simple push-pull output stage thus providing a low impedance output source. 8.2 Functional Block Diagram Full-Range Celsius Temperature Sensor ( −50°C to 150°C). 8.3 Feature Description 8.3.1 LMT86 and LMT86-Q1 Transfer Function The output voltage of the LMT86 and LMT86-Q1, across the complete operating temperature range is shown in Table 1. This table is the reference from which the LMT86 and LMT86-Q1 accuracy specifications (listed in the Accuracy Characteristics section) are determined. This table can be used, for example, in a host processor look- up table. A file containing this data is available for download at LMT86 product folder under Tools and Software Models. Table 1. LMT86 and LMT86-Q1 Transfer Table TEMP VOUT TEMP VOUT TEMP VOUT TEMP VOUT TEMP VOUT (°C) (mV) (°C) (mV) (°C) (mV) (°C) (mV) (°C) (mV) -50 2616 -10 2207 30 1777 70 1335 110 883 -49 2607 -9 2197 31 1766 71 1324 111 872 -48 2598 -8 2186 32 1756 72 1313 112 860 -47 2589 -7 2175 33 1745 73 1301 113 849 -46 2580 -6 2164 34 1734 74 1290 114 837 -45 2571 -5 2154 35 1723 75 1279 115 826 -44 2562 -4 2143 36 1712 76 1268 116 814 -43 2553 -3 2132 37 1701 77 1257 117 803 -42 2543 -2 2122 38 1690 78 1245 118 791 -41 2533 -1 2111 39 1679 79 1234 119 780 -40 2522 0 2100 40 1668 80 1223 120 769 -39 2512 1 2089 41 1657 81 1212 121 757 -38 2501 2 2079 42 1646 82 1201 122 745 -37 2491 3 2068 43 1635 83 1189 123 734 -36 2481 4 2057 44 1624 84 1178 124 722 -35 2470 5 2047 45 1613 85 1167 125 711 -34 2460 6 2036 46 1602 86 1155 126 699 -33 2449 7 2025 47 1591 87 1144 127 688 10 Submit Documentation Feedback Copyright © 2013–2015, Texas Instruments Incorporated Product Folder Links: LMT86 LMT86-Q1 |
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