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LM 92
SNIS110D MARCH 2000REVISED MARCH 2013
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Note: Event Interrupt mode is drawn as if the user is reading the part. If the user doesn't read, the outputs would go
low and stay that way until the LM92 is read. Comparator Interrupt Mode is drawn as if the user never reads the part.
If the user does read, the outputs will go high once read instruction is executed and, if the fault condition still exists,
go low at the end of the next conversion.
Figure 7. Temperature Response Diagram
TEMPERATURE DATA FORMAT
Temperature data can be read from the Temperature and Set Point registers; and written to the Set Point
registers. Temperature data can be read at any time, although reading faster than the conversion time of the
LM92 will prevent data from being updated. Temperature data is represented by a 13-bit, two's complement word
with an LSB (Least Significant Bit) equal to 0.0625 癈:
Table 2. Temperature Data Output
Temperature
Digital Output
Binary
Hex
+130癈
0 1000 0 010 0000
08 20h
+125 癈
0 0111 1101 0000
07 D0h
+80 癈
0 0101 0000 0000
05 00h
+64 癈
0 0100 0000 0000
04 00h
+25 癈
0 0001 1001 0000
01 90h
+10 癈
0 0000 1010 0000
00 A0h
+2 癈
0 0000 0010 0000
00 20h
10
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