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LM95172 Datasheet(PDF) 11 Page - Texas Instruments |
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LM95172 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 22 page Temperature Reg Read (16 bits) Command Byte Write (8 bits) Data Register Read or Write (16 bits) CS SI/O D16 D0 D0 D16 P7 P0 Command Byte Write (8 bits) Data Register Read or Write (16 bits) D0 D16 P0 P7 SC 1 8 1 16 1 8 1 16 16 1 Temperature Reg Read (16 bits) Command Byte Write (8 bits) Data Register Read or Write (16 bits) CS SI/O D16 D0 D0 D16 P7 P0 SC 1 16 1 16 1 8 LM95172 www.ti.com SNOSB33B – DECEMBER 2009 – REVISED MARCH 2013 Figure 12. Reading the Temperature Register followed by a read or write from another register (Control/Status, THIGH, TLOW, or Identification register) Figure 13. Reading the Temperature Register followed by repeated commands and Data Register accesses (Control/Status, THIGH, TLOW, or Identification register) TEMPERATURE DATA FORMAT Temperature data is represented by a 13- to 16-bit, two's complement word with a Least Significant Bit (LSB) equal to 0.0625 °C (13-bits), 0.03125 °C (14-bits), 0.015625 °C (15-bits) or 0.0078125 °C (16-bits). See Temperature Register for definition of the bits in the Temperature Register. Table 1. 13-Bit Resolution. First Bit (D15) is Sign, the last bit (D0) is Toggle and bits D1 and D2 are always 0. 13-bit Resolution Digital Output Temperature All 16 Bits Bits D15 - D3 16-bit Binary Hex Hex 0101011110000 000 5780 +175°C 0AF0 0101011110000 001 5781 0100101100000 000 4B00 +150°C 0960 0100101100000 001 4B01 0010100000000 000 2800 +80°C 0500 0010100000000 001 2801 0000110010000 000 0C80 +25°C 0190 0000110010000 001 0C81 0000000000001 000 0008 +0.0625°C 0001 0000000000001 001 0009 0000000000000 000 0000 0°C 0000 0000000000000 001 0001 1111111111111 000 FFF8 −0.0625°C 1FFF 1111111111111 001 FFF9 Copyright © 2009–2013, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LM95172 |
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