LM57CISD-5/NOPB National Semiconductor, LM57CISD-5/NOPB Datasheet - Page 12

• Manufacturer Part Number: LM57CISD-5/NOPB
• Description: IC, TEMPERATURE SW/SENSOR, ± 1.3°C, LLP8
• Manufacturer: National Semiconductor

Specifications of LM57CISD-5/NOPB

• Ic Output Type: Voltage
• Sensing Accuracy Range: ± 1.3°C
• Supply Current: 24µA
• Supply Voltage Range: 2.4V To 5.5V
• Sensor Case Style: LLP
• No. Of Pins: 8
• Msl: MSL 3 - 168 Hours
• Accuracy %: 1.3°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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2.1 LM57 V
Temperature
(°C)
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
Trip-Point
TEMP
Region
J2
J3
J4
J5
Voltage -To-Temperature Equations
472
467
461
456
451
445
440
434
429
424
418
413
407
402
396
391
386
J2
708
700
692
683
675
667
659
651
643
635
627
618
610
602
594
586
578
J3
LM57 Trip Point Range
V
TEMP
119°C to 150°C
−41°C to 52°C
97°C to 119°C
52°C to 97°C
(mV)
943
933
922
911
900
889
878
868
857
846
835
824
813
803
792
781
770
J4
1179
1165
1152
1138
1125
1111
1098
1084
1071
1057
1044
1030
1017
1003
989
976
962
J5
12
V
Note: The Rset resistors select a trip point and a corresponding Vtemp gain
(J2, J3, J4, or J5). The trip point range associated with a given gain is shown
in bold on this table. The Vtemp gain is selected by the Rset resistors. Vtemp
is valid over the entire temperature range.
V
V
V
Temperature
TEMP
TEMP
TEMP
TEMP
(°C)
137
138
139
140
141
142
143
144
145
146
147
148
149
150
= 1894.3 − 10.339(T-30) - 0.00253(T-30)
= 2367.7 −12.924(T-30) - 0.00316(T-30)
= 947.6 − 5.166(T-30) - 0.00129(T-30)
= 1420.9 − 7.752(T-30) - 0.00191(T-30)
V
TEMP
(mV) Equations T(°C)
380
375
369
364
358
353
347
342
336
331
326
320
315
309
J2
570
561
553
545
537
529
520
512
504
496
488
480
471
463
J3
V
TEMP
(mV)
759
748
737
726
716
705
694
683
672
661
650
639
628
617
J4
2
2
2
2
949
935
921
908
894
881
867
853
840
826
812
799
785
771
J5