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Shunt voltage references

LM285-2.5-N

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2.5-V, –40°C to +85°C, micropower voltage reference diode

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Data sheet

LM285-2.5-N

ACTIVE
Data sheet Order now

Product details

VO (V) 2.5 Initial accuracy (max) (%) 0.8 VO adj (min) (V) 2.5 VO adj (max) (V) 2.5 Iz for regulation (min) (µA) 20 Reference voltage (V) Fixed Rating Catalog Temp coeff (max) (ppm/°C) 150 Operating temperature range (°C) -40 to 85 Iout/Iz (max) (mA) 20
VO (V) 2.5 Initial accuracy (max) (%) 0.8 VO adj (min) (V) 2.5 VO adj (max) (V) 2.5 Iz for regulation (min) (µA) 20 Reference voltage (V) Fixed Rating Catalog Temp coeff (max) (ppm/°C) 150 Operating temperature range (°C) -40 to 85 Iout/Iz (max) (mA) 20
SOIC (D) 8 29.4 mm² 4.9 x 6 TO-92 (LP) 3 19.136 mm² 5.2 x 3.68
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LM4030 ACTIVE Ultra-high-precision shunt voltage reference Enhanced accuracy (0.05%) with lower temperature drift (10 ppm/°C)
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Type Title Date
* Data sheet LM185-2.5/LM285-2.5/LM385-2.5 Micropower Voltage Reference datasheet (Rev. E) 12 Aug 2024
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 28 Jun 2019
Application note TO-92 Packing Options / Ordering Instructions (Rev. A) 23 Jun 2010

Design & development

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Calculation tool

SHUNT_VOLTAGE_REFERENCE_RESISTOR_CALCULATOR — Shunt Voltage Reference External Resistor Quick Start Calculator

This external resistor quick-start calculator tool lets you easily calculate valid external resistor values relative to voltage reference, supply and load-current bounds. With these inputs, you can instantly view the resulting calculations and use the color-coded indications to understand (...)

Supported products & hardware

Supported products & hardware

Products
Die & wafer services
LM336-2.5-MIL — Shunt Voltage Reference
Shunt voltage references
ATL431 — 2.5-V low-IQ adjustable precision shunt regulator LM136-2.5-N — Voltage Reference Diode LM136-5.0 — 5.0V Reference Diode LM136-5.0QML — 5.0V Reference Diode LM136A-2.5QML — 2.5V Reference Diode LM136A-2.5QML-SP — Radiation-hardened QMLV, 2.5-V shunt voltage reference LM136A-5.0QML — 5.0V Reference Diode LM185-1.2-N — Micropower Voltage Reference Diode LM185-1.2QML — Micropower Voltage Reference Diode LM185-1.2QML-SP — Radiation-hardened QMLV, 1.2-V shunt voltage reference LM185-2.5-N — Micropower Voltage Reference Diode LM185-2.5QML — Micropower Voltage Reference Diode LM185-2.5QML-SP — Space-grade QMLV 2.5-V  shunt voltage reference LM185-ADJ — Adjustable Micropower Voltage Reference LM185QML — Adjustable Micropower Voltage Reference LM285-1.2 — 1.235-V, –40°C to +85°C, micropower voltage reference LM285-1.2-N — 1.235-V, –40°C to +85°C, micropower voltage reference diode LM285-2.5 — 2.5-V, –40°C to +85°C, micropower voltage reference LM285-2.5-N — 2.5-V, –40°C to +85°C, micropower voltage reference diode LM285-ADJ — Adjustable, 85°C, micropower voltage reference LM336-2.5 — 0°C to 70°C, 2.5-V integrated reference circuit LM336-2.5-N — Voltage reference diode LM336-5.0 — 5-V reference diode LM385-1.2 — 1.235-V, 2%, 0°C to 70°C, micropower voltage reference LM385-1.2-MIL — Micropower Voltage Reference LM385-1.2-N — 1.235-V, 0°C to 70°C, micropower voltage reference diode LM385-2.5 — 2.5-V, 2%, 70°C, micropower voltage reference LM385-2.5-N — 2.5-V, 0°C to 70°C, micropower voltage reference diode LM385-ADJ — Adjustable, 70°C, micropower voltage reference LM4030 — Ultra-high-precision shunt voltage reference LM4040 — Fixed voltage, 45-µA, precision micropower shunt voltage reference LM4040-N — 100-ppm/°C precision micropower shunt voltage reference LM4040-N-Q1 — Automotive, 100-ppm/°C precision micropower shunt voltage reference LM4041-N — Fixed & adjustable, 45-µA, precision micropower shunt voltage reference LM4041-N-Q1 — Automotive, precision micropower shunt voltage reference LM4050-N — 50-ppm/°C precision micropower shunt voltage reference LM4050-N-Q1 — Automotive, 50-ppm/°C precision micropower shunt voltage reference LM4050QML-SP — Radiation-hardened QMLV, 2.5-V or 5-V shunt voltage reference LM4051-N — Fixed & adjustable, precision micropower shunt voltage reference LM431 — 2%, 1%, or 0.5% accuracy, adjustable precision Zener shunt regulator LM4431 — Micropower shunt voltage reference LMV431 — 1.5%, low-voltage (1.24-V) adjustable precision shunt regulator LMV431A — 1%, low-voltage (1.24-V) adjustable precision shunt regulator LMV431B — 0.5%, low-voltage (1.24-V) adjustable precision shunt regulator
Current references
LM134 — 3-Terminal Adjustable Current Source LM234 — 100°C 3-pin adjustable current source LM334 — 0°C to 70°C 3-pin adjustable current source
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