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LM57-Q1 Datasheet(PDF) 21 Page - Texas Instruments

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Part # LM57-Q1
Description  Resistor-Programmable Temperature Switch and Analog Temperature Sensor
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM57-Q1 Datasheet(HTML) 21 Page - Texas Instruments

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LM57-Q1
www.ti.com
SNIS191A – JULY 2015 – REVISED JULY 2015
Table 5. VTEMP (mV) at the Trip Point vs Sense Resistor (RSENSE) Value (Ω)
(1)
RSENSE2
J2 (2)
J3 (2)
J4 (2)
J5 (2)
976 k
Ω
825 k
Ω
698 k
Ω
590 k
Ω
499 k
Ω
412 k
Ω
340 k
Ω
280 k
Ω
226 k
Ω
178 k
Ω
140 k
Ω
105 k
Ω
75 k
Ω
46.4 k
Ω
976 k
Ω
1306.23
1183.77
1064.00
945.63
1243.67
1125.34
1006.75
1185.27
1066.00
1184.05
1064.59
944.83
824.96
705.99
825 k
Ω
1298.50
1176.23
1056.56
938.23
1236.27
1117.93
999.34
1177.83
1058.52
1176.57
1057.10
937.33
817.53
698.60
698 k
Ω
1290.72
1168.70
1049.13
930.83
1228.88
1110.52
991.92
1170.40
1051.03
1169.10
1049.62
929.83
810.09
691.20
590 k
Ω
1283.03
1161.16
1041.69
923.43
1221.48
1103.10
984.51
1162.96
1043.55
1161.63
1042.13
922.33
802.66
683.81
499 k
Ω
1275.33
1153.62
1034.26
916.02
1214.09
1095.69
977.09
1155.52
1036.07
1154.16
1034.65
914.83
795.22
676.41
412 k
Ω
1267.64
1146.09
1026.82
908.62
1206.69
1088.28
969.66
1148.09
1028.59
1146.68
1027.16
907.33
787.78
669.02
340 k
Ω
1259.94
1138.55
1019.38
901.22
1199.30
1080.87
962.22
1140.65
1021.10
1139.21
1019.67
899.83
780.35
661.62
280 k
Ω
1252.25
1131.02
1011.99
893.82
1191.90
1073.45
954.78
1133.22
1013.62
1131.74
1012.19
892.33
772.91
654.22
RSENSE1
226 k
Ω
1244.55
1123.48
1004.62
886.42
1184.50
1066.04
947.35
1125.78
1006.14
1124.27
1004.70
884.83
765.48
646.83
178 k
Ω
1236.99
1116.05
997.26
879.02
1177.11
1058.63
939.91
1118.35
998.66
1116.79
997.22
877.33
758.04
639.43
140 k
Ω
1229.38
1108.61
989.89
871.61
1169.71
1051.22
932.48
1110.91
991.17
1109.32
989.73
869.82
750.61
632.04
105 k
Ω
1221.76
1101.18
982.53
864.21
1162.32
1043.80
925.04
1103.48
983.69
1101.85
982.25
862.32
743.17
75 k
Ω
1214.15
1093.74
975.16
856.81
1154.92
1036.39
917.61
1096.04
976.21
1094.38
974.76
854.82
735.74
46.4 k
Ω
1206.53
1086.30
967.80
849.41
1147.53
1028.98
910.17
1088.60
968.73
1086.90
967.28
847.32
728.30
22.6 k
Ω
1198.92
1078.87
960.43
842.01
1140.13
1021.57
902.74
1081.17
961.24
1079.43
959.79
839.82
720.86
0.01 k
Ω
1191.30
1071.43
953.07
834.62
1132.74
1014.15
895.30
1073.73
953.76
1072.04
952.31
832.32
713.43
(1)
Items italicized and highlighted in red apply to the LM57FSPWQ1 and LM57TSPWQ1 only.
(2)
There are four gains corresponding to each of the four Temperature Trip Point Ranges:
J2 (-5.166 mV/°C) is the temperature sensor output gain used for Temperature Trip Points
−40.68°C to 51.8°C.
J3 (-7.752 mV/°C) is for Trip Points 52°C to 97°C.
J4 (-10.339 mV/°C) for 97°C to 119°C.
J5 (-12.924 mV/°C) for 119°C to 160°C.
Copyright © 2015, Texas Instruments Incorporated
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