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LM95231 Datasheet(PDF) 11 Page - Texas Instruments

Part # LM95231
Description  Precision Dual Remote Diode Temperature Sensor with SMBus Interface and TruTherm??Technology
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM95231 Datasheet(HTML) 11 Page - Texas Instruments

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LM95231
www.ti.com
SNIS139E – FEBRUARY 2005 – REVISED MARCH 2013
Part Number
A6
A5
A4
A3
A2
A1
A0
LM95231BIMM,
1
0
1
0
1
1
1
LM95231CIMM
LM95231BIMM-1,
0
0
1
1
0
0
1
LM95231CIMM-1
LM95231BIMM-2,
0
1
0
1
0
1
0
LM95231CIMM-2
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".
Copyright © 2005–2013, Texas Instruments Incorporated
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