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SHUNT_VOLTAGE_REFERENCE_RESISTOR_CALCULATOR

Shunt voltage reference external resistor quick-start calculator

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SHUNT_VOLTAGE_REFERENCE_RESISTOR_CALCULATOR

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Overview

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 whether the calculated outputs are valid or invalid.

Features
  • Case-specific tool to calculate external resistor value associated with shunt voltage reference
  • Input fields for: voltage reference, supply voltage, load current and Iq bound values
  • Real-time effects of input values on schematic
  • Quick indicators notifying user of valid and invalid outputs
  • Error messages
  • Embedded details in numerous cells for additional user guidance
  • Useful links included for further voltage reference support
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Calculation tool

SHUNT_VOLTAGE_REFERENCE_RESISTOR_CALCULATOR — Shunt Voltage Reference External Resistor Quick Start Calculator

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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Supported products & hardware

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
Die & wafer services
LM336-2.5-MIL — Shunt Voltage Reference

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