LM385LP-1-2 Part Information

Details for LM385LP-1-2 by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Part Description

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 bandgap 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.

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Part Features

  • 1% and 2% Initial Voltage Tolerance
  • Interchangeable with Industry Standard
  • Operating Current Range u2013 LM285-1.2: 10 u03bcA to 20 mA u2013 LM385-1.2: 15 u03bcA to 20 mA u2013 LM385B-1.2: 15 u03bcA to 20 mA
  • Reference Impedance u2013 LM385-1.2: 1 u03a9 MAX at 25u00b0C u2013 All devices: 1.5 u03a9 MAX over Full Temperature Range
  • Very Low Power Consumption

Part Specifications

Voltage Reference Type Shunt - Fixed
Product Range LM385 Series
Reference Voltage 1.235V
Initial Accuracy 1%
Temperature Coefficient ± 20ppm/°C
Voltage Reference Case Style TO-92
No. of Pins 3Pins
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL -
SVHC No SVHC (27-Jun-2018)
Base Number 385
Device Marking LM385LP-1-2
Operating Temperature Range 0°C to +70°C
Reference Volt Tolerance ±% 2%
Reference Voltage Tolerance 20mV
Reference Volts 1.235V
Termination Type Through Hole
Topology Shunt
RoHS Compliant

Alternative Part Descriptions

  • VOLTAGE REF, SHUNT, 1.235V, TO-226AA-3; Voltage Reference Type:Shunt - Fixed; Product Range:LM385 Series; Reference Voltage:1.235V; Initial Accuracy:1%; Temperature Coefficient:± 20ppm/°C; Voltage Reference Case Style:TO-226AA; No. RoHS Compliant: Yes | Newark Electronics
  • 1.235-V, 2%, 0°C to 70°C, micropower voltage reference | Texas Instruments

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