LM385M3X-1.2 National Semiconductor, LM385M3X-1.2 Datasheet - Page 7

• Manufacturer Part Number: LM385M3X-1.2
• Description: IC VREF MICROPWR DIODE SOT23-3
• Manufacturer: National Semiconductor

Specifications of LM385M3X-1.2

• Reference Type: Shunt
• Voltage - Output: 1.235V
• Tolerance: ±2%
• Temperature Coefficient: 150ppm/°C
• Number Of Channels: 1
• Current - Cathode: 20µA
• Current - Output: 20mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: TO-236-3, SC-59, SOT-23-3
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Input: -
• Current - Quiescent: -
• Other names: LM385M3X-1.2TR

Typical Applications
(Continued)
Centigrade Thermometer
DS005518-1
Calibration
1. Adjust R1 so that V1 = temp at 1 mV/˚K
2. Adjust V2 to 273.2 mV
†
I
for 1.3V to 1.6V battery volt-
Q
age = 50 µA to 150 µA
Schematic Diagram
DS005518-7
7
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