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Series voltage references

REF1941

ACTIVE

4.1-V Vref, dual-output Vref & Vref/2 voltage reference

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REF1941

ACTIVE
Order now

Product details

Rating Catalog VO (V) 4.096 Temp coeff (max) (ppm/°C) 25 Initial accuracy (max) (%) 0.1 Features Enable pin, Multiple outputs Iout/Iz (max) (mA) 20 Vin (min) (V) 4.116 Vin (max) (V) 5.5 Iq (typ) (mA) 0.36, 360 LFN 0.1 to 10 Hz (typ) (µVPP) 49.2 Operating temperature range (°C) -40 to 125 Shutdown current (ISD) (typ) (µA) 3.3
Rating Catalog VO (V) 4.096 Temp coeff (max) (ppm/°C) 25 Initial accuracy (max) (%) 0.1 Features Enable pin, Multiple outputs Iout/Iz (max) (mA) 20 Vin (min) (V) 4.116 Vin (max) (V) 5.5 Iq (typ) (mA) 0.36, 360 LFN 0.1 to 10 Hz (typ) (µVPP) 49.2 Operating temperature range (°C) -40 to 125 Shutdown current (ISD) (typ) (µA) 3.3
SOT-23-THN (DDC) 5 8.12 mm² 2.9 x 2.8
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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
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

Design & development

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Simulation model

REF1941 Spice Model

SBOM918.ZIP (26 KB) - PSpice Model
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Simulation model

REF1941 TINA-TI Spice Model

SBOM917.ZIP (14 KB) - TINA-TI Reference Design
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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 (...)
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Reference designs

TIPD156 — Low-Drift Bidirectional Single-Supply Low-Side Current Sensing Reference Design

This Verified TI Precision Design implements a low-drift, bi-directional, low-side, single-supply current sensing solution that measures load currents from -2.5 A to +2.5 A.  The output range is from 250 mV to 2.75 V, with 0 A current centered at 1.5 V.  To achieve low-drift performance, (...)
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SOT-23-THN (DDC) 5 Ultra Librarian
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