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LM95241 bảng dữ liệu(PDF) 11 Page - Texas Instruments |
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LM95241 bảng dữ liệu(HTML) 11 Page - Texas Instruments |
11 / 30 page LM95241 www.ti.com SNIS143E – AUGUST 2006 – REVISED MARCH 2013 TEMPERATURE DATA FORMAT Temperature data can only be read from the Local and Remote Temperature registers . Remote temperature data with the digital filter off is represented by an 11-bit, two's complement word or unsigned binary word with an LSb (Least Significant Bit) equal to 0.125°C. The data format is a left justified 16-bit word available in two 8-bit registers. Unused bits will always report "0". Table 2. 11-bit, 2's complement (10-bit plus sign) Temperature Digital Output Binary Hex +125°C 0111 1101 0000 0000 7D00h +25°C 0001 1001 0000 0000 1900h +1°C 0000 0001 0000 0000 0100h +0.125°C 0000 0000 0010 0000 0020h 0°C 0000 0000 0000 0000 0000h −0.125°C 1111 1111 1110 0000 FFE0h −1°C 1111 1111 0000 0000 FF00h −25°C 1110 0111 0000 0000 E700h −55°C 1100 1001 0000 0000 C900h Table 3. 11-bit, unsigned binary Temperature Digital Output Binary Hex +255.875°C 1111 1111 1110 0000 FFE0h +255°C 1111 1111 0000 0000 FF00h +201°C 1100 1001 0000 0000 C900h +125°C 0111 1101 0000 0000 7D00h +25°C 0001 1001 0000 0000 1900h +1°C 0000 0001 0000 0000 0100h +0.125°C 0000 0000 0010 0000 0020h 0°C 0000 0000 0000 0000 0000h Remote temperature data with the digital filter on is represented by a 13-bit, two's complement word or unsigned binary word with an LSb (Least Significant Bit) equal to 0.03125°C (1/32°C). The data format is a left justified 16- bit word available in two 8-bit registers. Unused bits will always report "0". Table 4. 13-bit, 2's complement Temperature Digital Output Binary Hex +125°C 0111 1101 0000 0000 7D00h +25°C 0001 1001 0000 0000 1900h +1°C 0000 0001 0000 0000 0100h +0.03125°C 0000 0000 0000 1000 0008h 0°C 0000 0000 0000 0000 0000h −0.03125°C 1111 1111 1111 0111 FFF7h −1°C 1111 1111 0000 0000 FF00h −25°C 1110 0111 0000 0000 E700h −55°C 1100 1001 0000 0000 C900h Copyright © 2006–2013, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LM95241 |
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