Product details

Input range (Vp-p) ±0.25 Isolation working voltage VIOWM (rms) (V) 1200 Isolation transient overvoltage VIOTM (peak) (V) 6000 CMTI (Min) (kV/µs) 85 Input offset (+/-) (Max) (mV) 0.15 Input offset drift (+/-) (Typ) (uV/C) 0.15 Gain error (+/-) (Max) (%) 0.2 Gain error drift (+/-) (Typ) (ppm/°C) 6 Gain non-linearity (+/-) (Max) (%) 0.04 Small signal bandwidth (Typ) (kHz) 334 Rating Catalog Operating temperature range (C) -40 to 125
Input range (Vp-p) ±0.25 Isolation working voltage VIOWM (rms) (V) 1200 Isolation transient overvoltage VIOTM (peak) (V) 6000 CMTI (Min) (kV/µs) 85 Input offset (+/-) (Max) (mV) 0.15 Input offset drift (+/-) (Typ) (uV/C) 0.15 Gain error (+/-) (Max) (%) 0.2 Gain error drift (+/-) (Typ) (ppm/°C) 6 Gain non-linearity (+/-) (Max) (%) 0.04 Small signal bandwidth (Typ) (kHz) 334 Rating Catalog Operating temperature range (C) -40 to 125
SO-MOD (DWE) 16 106 mm² 10.3 x 10.3
  • 3.3-V or 5-V single supply with integrated DC/DC converter
  • ±250-mV input voltage range optimized for current measurement using shunt resistors
  • Fixed gain: 8.2
  • Low DC errors:
    • Offset voltage: ±150 µV (max)
    • Offset drift: ±1 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain error drift: ±40 ppm/°C (max)
    • Nonlinearity: ±0.04% (max)
  • High CMTI: 85 kV/µs (min)
  • System-level diagnostic features
  • Meets CISPR-11 and CISPR-25 EMI standards
  • Safety-related certifications:
    • 6000-VPK reinforced isolation per DIN VDE V 0884-11
    • 4250-VRMS isolation for 1 minute per UL1577
  • Fully specified over the extended industrial temperature range: –40°C to +125°C
  • 3.3-V or 5-V single supply with integrated DC/DC converter
  • ±250-mV input voltage range optimized for current measurement using shunt resistors
  • Fixed gain: 8.2
  • Low DC errors:
    • Offset voltage: ±150 µV (max)
    • Offset drift: ±1 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain error drift: ±40 ppm/°C (max)
    • Nonlinearity: ±0.04% (max)
  • High CMTI: 85 kV/µs (min)
  • System-level diagnostic features
  • Meets CISPR-11 and CISPR-25 EMI standards
  • Safety-related certifications:
    • 6000-VPK reinforced isolation per DIN VDE V 0884-11
    • 4250-VRMS isolation for 1 minute per UL1577
  • Fully specified over the extended industrial temperature range: –40°C to +125°C

The AMC3301 is a precision, isolated amplifier optimized for shunt-based current measurements. The fully integrated, isolated DC/DC converter allows single-supply operation from the low-side of the device, which makes the device a unique solution for space-constrained applications. The reinforced capacitive isolation barrier is certified according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1.2 kVRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from hazardous voltages and damage.

The input of the AMC3301 is optimized for direct connection to a low-impedance shunt resistor or other, low-impedance voltage source with low signal levels. The excellent DC accuracy and low temperature drift supports accurate current measurements over the extended industrial temperature range from –40°C to +125°C.

The integrated DC/DC converter fault-detection and diagnostic output pin of the AMC3301 simplify system-level design and diagnostics.

The AMC3301 is a precision, isolated amplifier optimized for shunt-based current measurements. The fully integrated, isolated DC/DC converter allows single-supply operation from the low-side of the device, which makes the device a unique solution for space-constrained applications. The reinforced capacitive isolation barrier is certified according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1.2 kVRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from hazardous voltages and damage.

The input of the AMC3301 is optimized for direct connection to a low-impedance shunt resistor or other, low-impedance voltage source with low signal levels. The excellent DC accuracy and low temperature drift supports accurate current measurements over the extended industrial temperature range from –40°C to +125°C.

The integrated DC/DC converter fault-detection and diagnostic output pin of the AMC3301 simplify system-level design and diagnostics.

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Technical documentation

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Type Title Date
* Data sheet AMC3301 Precision, ±250-mV Input, Reinforced Isolated Amplifier With Integrated DC/DC Converter datasheet (Rev. B) 04 May 2021
Application note Interfacing a Differential-Output (Isolated) Amp to a Single-Ended Input ADC (Rev. A) 10 Mar 2022
Certificate AMC3301EVM EU Declaration of Conformity (DoC) (Rev. A) 28 Jan 2022
User guide AMC3301, AMC3302, and AMC3330 Evaluation Module (Rev. C) 13 Jan 2022
Certificate VDE Certificate for Reinforced Isolation for DIN VDE V 0884-11:2017-01 (Rev. Q) 12 Nov 2021
Application note Isolated Voltage-Measurement Circuit With ±250-mV Input and Differential Output (Rev. A) 09 Sep 2021
Application note Introduction to HVDC Architecture and Solutions for Control and Protection (Rev. B) 07 Sep 2021
Application note Best Practices to Attenuate AMC3301 Family Radiated Emissions EMI 20 Jun 2021
Certificate UL Certification (Rev. O) 03 Feb 2021
White paper High-Voltage Semiconductor Solutions for Meeting Isolation Requirements 20 Jan 2021
Technical article Simplify your isolated current and voltage sensing designs with single-supply isolated amplifiers and ADCs 26 Oct 2020
Circuit design Isolated current-measurement circuit with ±250-mV input and differential output 23 Jul 2020
White paper Best in Class Radiated Emissions EMI Perf. with AMC1300B-Q1 Isolated Amplifier 29 Jun 2020
White paper Comparing isolated amplifiers and isolated modulators (Rev. A) 28 Feb 2019
Technical article Get cerTIfied, not certi-FRIED! Electromagnetic compatibility testing explained (Part 4) 06 Feb 2015
Technical article Using delta-sigma modulators for isolated high-voltage measurements 09 Jan 2015
Technical article Part III: Get CerTIfied, not certi-FRIED! Electromagnetic compatibility testing explained 02 Dec 2014

Design & development

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

Evaluation board

AMC3301EVM — AMC3301 precision reinforced isolated amplifier with integrated DC/DC converter evaluation module

The AMC3301 evaluation module (EVM) is a platform for evaluating the AMC3301 device, a precision isolated amplifier with an integrated DC/DC converter, which powers the high side of the amplifier. AMC3301 is a 7-kV reinforced isolated amplifier designed for use in current shunt measuring (...)

Simulation model

AMC3301 TINA-TI Reference Design (Rev. B)

SBAM440B.TSC (151 KB) - TINA-TI Reference Design
Simulation model

AMC3301 PSpice Model

SBAM474.ZIP (13 KB) - PSpice 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 (...)
Reference designs

TIDA-010065 — High-efficiency, low-emission, isolated DC/DC converter-based analog input module reference design

This reference design is a simplified architecture for generating an isolated power supply for isolated amplifiers for measuring isolated voltages and currents. A fully integrated DC/DC converter with reinforced isolation operating from a 5-V input with configurable 5-V or 5.4-V output (headroom (...)
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