LM385M3-1.2 National Semiconductor, LM385M3-1.2 Datasheet - Page 7

• Manufacturer Part Number: LM385M3-1.2
• Description: IC, SHUNT V-REF, 1.235V, 2%, 3-SOT-23
• Manufacturer: National Semiconductor

Specifications of LM385M3-1.2

• Topology: Shunt
• Reference Voltage: 1.23V
• Reference Voltage Tolerance: 25mV
• Voltage Reference Case Style: SOT-23
• No. Of Pins: 3
• Temperature Coefficient: 150ppm/°C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Centigrade Thermometer
551801
Calibration
1. Adjust R1 so that V1 = temp at 1mV/°K
2. Adjust V2 to 273.2mV
†I
for 1.3V to 1.6V battery volt-
Q
age = 50μA to 150μA
Schematic Diagram
551807
7
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