LTC2991 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2991' PDF : 32 Pages View PDF
LTC2991
APPLICATIONS INFORMATION
Table 16. Conversion Formats
TEMPERATURE FORMATS
Temperature Internal, TR1 Through TR4
LSB = 0.0625 Degrees
FORMAT
Celsius
Celsius
Celsius
Celsius
Kelvin
Kelvin
Kelvin
Kelvin
DIODE VOLTAGE FORMATS
Sign
Diode Voltage TR1 Through TR4
0
LSB = 38.15µV
0
0
0
0
0
BINARY VALUE D[12:0]
0011111010000
0000110010001
0000110010000
1110110000000
1100011100010
1000100010010
0111010010010
0010011010000
Binary Value D[12:0]
0000000000000
1111111111111
0000000000000
1111111111111
0000000000000
1001100110010
TEMPERATURE
125.0000
25.0625
25.0000
–40.0000
398.1250
273.1250
233.1250
77.0000
Voltage
0.0000
0.31249
0.31252
0.62501
0.62505
0.99999
Table 17. Recommended Transistors to Be Used as Temperature Sensors
MANUFACTURER
PART NUMBER
PACKAGE
Fairchild Semiconductor
MMBT3904
SOT-23
Fairchild Semiconductor
FMMT3904
SOT-23
Fairchild Semiconductor
2N3904
TO-92
Central Semiconductor
CMPT3904
SOT-23
Central Semiconductor
CET3904E
SOT-883L
Diodes, Inc.
MMBT3904
SOT-23
On Semiconductor
MMBT3904LT1
SOT-23
NXP
MMBT3904
SOT-23
Infineon
MMBT3904
SC-70
Rohm
UMT3904
SOT-23
2991ff
22
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