LM92CIMX/NOPB National Semiconductor, LM92CIMX/NOPB Datasheet - Page 9

• Manufacturer Part Number: LM92CIMX/NOPB
• Description: IC SENSOR TEMP/THERM COMP 8-SOIC
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM92CIMX/NOPB

• Function: Temp Monitoring System (Sensor)
• Topology: ADC, Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 150°C
• Output Type: I²C™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM92CIMX; *LM92CIMX/NOPB; LM92CIMX

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.
1.4 TEMPERATURE DATA FORMAT
Temperature data can be read from the Temperature and Set
Point registers; and written to the Set Point registers. Tem-
perature 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 °C:
FIGURE 3. Temperature Response Diagram
9
Temperature
+0.0625 °C
−0.0625 °C
+125 °C
+130°C
+80 °C
+64 °C
+25 °C
+10 °C
−25 °C
−55 °C
+2 °C
0 °C
0 1000 0 010 0000
0 0111 1101 0000
0 0101 0000 0000
0 0100 0000 0000
0 0001 1001 0000
0 0000 1010 0000
0 0000 0010 0000
0 0000 0000 0001
1 1111 1111 1111
1 1110 0111 0000
1 1100 1001 0000
00 0000 0000
Binary
Digital Output
07 D0h
00 A0h
1F FFh
1E 70h
1C 90h
10105106
08 20h
05 00h
04 00h
01 90h
00 20h
00 01h
00 00h
www.national.com
Hex