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LM285LPRE3-1-2

Texas Instruments

V-Ref Precision 1.235V 20mA 3-Pin TO-92 T/R

Manufacturer Part #: LM285LPRE3-1-2

Alternate Part #: LM285LPRE3-1-2


legend RoHS Compliant

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These micropower, two-terminal, band-gap voltage references operate over a 10-μA to 20-mA current range and feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming provides tight voltage tolerance. The band-gap reference for these devices has low noise and long-term stability. The design makes these devices exceptionally tolerant of capacitive loading and, thus, easier to use in most reference applications. The wide dynamic operating temperature range accommodates varying current supplies, with excellent regulation. The extremely low power drain of this series makes them useful for micropower circuitry. These voltage references can be used to make portable meters, regulators, or general-purpose analog circuitry, with battery life approaching shelf life. The wide operating current range allows them to replace older references with tighter-tolerance parts.

Key Features

  • Operating Current Range
    • LM285-1.2: 10 μA to 20 mA
    • LM385-1.2: 15 μA to 20 mA
    • LM385B-1.2: 15 μA to 20 mA
  • 1% and 2% Initial Voltage Tolerance
  • Reference Impedance
    • LM385-1.2: 1 Ω MAX at 25°C
    • All devices: 1.5 Ω MAX over Full
      Temperature Range
  • Very Low Power Consumption
  • Interchangeable with Industry Standard
    LM285-1.2 and LM385-1.2
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Lead Finish
    Matte Tin
    Load Regulation
    12 mV
    Maximum Temperature Coefficient
    20 ppm/°C
    Mounting
    Through Hole
    Maximum Output Current
    20 mA
    Max Processing Temp
    260
    Output Voltage
    1.235 V
    Topology
    Shunt
    Initial Accuracy
    1 %
    Operating Temperature
    -40 to 85 °C

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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