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REF31

ACTIVE

20-ppmC max, 100-uA, 3-pin SOT-23 series voltage reference

Product details

Rating Catalog VO (V) 2.5 Temp coeff (max) (ppm/°C) 20 Initial accuracy (max) (%) 0.2 Iout/Iz (max) (mA) 10 Vin (min) (V) 2.55 Vin (max) (V) 5.5 Iq (typ) (mA) 0.1 LFN 0.1 to 10 Hz (typ) (µVPP) 33 Operating temperature range (°C) -40 to 125
Rating Catalog VO (V) 2.5 Temp coeff (max) (ppm/°C) 20 Initial accuracy (max) (%) 0.2 Iout/Iz (max) (mA) 10 Vin (min) (V) 2.55 Vin (max) (V) 5.5 Iq (typ) (mA) 0.1 LFN 0.1 to 10 Hz (typ) (µVPP) 33 Operating temperature range (°C) -40 to 125
— (—) See data sheet
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Technical documentation

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Top documentation Type Title Format options Date
Application note Voltage Reference Selection and Design Tips For Data Converters (Rev. B) PDF | HTML 09 Jan 2024
E-book Tips and tricks for designing with voltage references (Rev. A) 07 May 2021
Application brief Voltage Reference Solutions in Motor Control Drives 29 Jul 2019
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 28 Jun 2019
White paper Voltage reference selection basics white paper (Rev. A) 23 Oct 2018
Analog Design Journal Getting the most out of your instrumentation amplifier design 10 Oct 2005
Application note High-Voltage Signal Conditioning for Differential ADCs 14 Jun 2004

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

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User guide: PDF
Not available on TI.com
Simulation model

REF3120 PSpice Model

SBVC006.ZIP (1 KB) - PSpice Model
Simulation model

REF3120 TINA-TI Reference Design (Rev. A)

SBVC007A.TSC (60 KB) - TINA-TI Reference Design
Simulation model

REF3120 TINA-TI Spice Model

SBVM005.TSM (5 KB) - TINA-TI Spice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Package Pins CAD symbols, footprints & 3D models
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