Product details

Input range (Vp-p) ±0.25 Isolation working voltage VIOWM (rms) (V) 800 Isolation transient overvoltage VIOTM (peak) (V) 4250 CMTI (Min) (kV/µs) 2.5 Input offset (+/-) (Max) (mV) 1.5 Input offset drift (+/-) (Typ) (uV/C) 1.5 Gain error (+/-) (Max) (%) 1 Gain error drift (+/-) (Typ) (ppm/°C) 56 Gain non-linearity (+/-) (Max) (%) 0.075 Small signal bandwidth (Typ) (kHz) 100 Rating Catalog Operating temperature range (C) -40 to 105
Input range (Vp-p) ±0.25 Isolation working voltage VIOWM (rms) (V) 800 Isolation transient overvoltage VIOTM (peak) (V) 4250 CMTI (Min) (kV/µs) 2.5 Input offset (+/-) (Max) (mV) 1.5 Input offset drift (+/-) (Typ) (uV/C) 1.5 Gain error (+/-) (Max) (%) 1 Gain error drift (+/-) (Typ) (ppm/°C) 56 Gain non-linearity (+/-) (Max) (%) 0.075 Small signal bandwidth (Typ) (kHz) 100 Rating Catalog Operating temperature range (C) -40 to 105
SOIC (DWV) 8 67 mm² 5.85 x 11.5 SOP (DUB) 8 99 mm² 9.5 x 10.4
  • ±250-mV input voltage range optimized for shunt resistors
  • Very low nonlinearity: 0.075% max at 5 V
  • Low offset error: 1.5 mV max
  • Low noise: 3.1 mVRMS typ
  • Low high-side supply current:
    8 mA max at 5 V
  • Input bandwidth: 60 kHz min
  • Fixed gain: 8 (0.5% Accuracy)
  • High common-mode rejection ratio: 108 dB
  • Low-side operation: 3.3 V
  • Safety-related certifications:
    • 4250-VPK basic isolation per
      DIN VDE V 0884-11: 2017-01
    • 3005-VRMS isolation for 1 minute per UL1577
    • CAN/CSA no. 5A-component acceptance service notice and DIN EN 61010-1 standard
    • Working voltage: 1200 VPEAK
    • Transient immunity: 2.5 kV/µs min
  • Fully specified over the extended industrial temperature range
  • ±250-mV input voltage range optimized for shunt resistors
  • Very low nonlinearity: 0.075% max at 5 V
  • Low offset error: 1.5 mV max
  • Low noise: 3.1 mVRMS typ
  • Low high-side supply current:
    8 mA max at 5 V
  • Input bandwidth: 60 kHz min
  • Fixed gain: 8 (0.5% Accuracy)
  • High common-mode rejection ratio: 108 dB
  • Low-side operation: 3.3 V
  • Safety-related certifications:
    • 4250-VPK basic isolation per
      DIN VDE V 0884-11: 2017-01
    • 3005-VRMS isolation for 1 minute per UL1577
    • CAN/CSA no. 5A-component acceptance service notice and DIN EN 61010-1 standard
    • Working voltage: 1200 VPEAK
    • Transient immunity: 2.5 kV/µs min
  • Fully specified over the extended industrial temperature range

The AMC1100 is a precision isolation amplifier with an output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier is certified to provide galvanic isolation of up to 4250 VPEAK, according to DIN VDE V 0884-11: 2017-01 and UL1577. Used in conjunction with isolated power supplies, this device prevents noise currents on a high common-mode voltage line from entering the local ground and interfering with or damaging sensitive circuitry.

The AMC1100 input is optimized for direct connection to shunt resistors or other low voltage level signal sources. The excellent performance of the device enables accurate current and voltage measurement in energy-metering applications. The output signal common-mode voltage is automatically adjusted to either the 3-V or 5-V low-side supply.

The AMC1100 is fully specified over the extended industrial temperature range of –40°C to +105°C and is available in the SMD-type, wide-body SOIC-8 (DWV) and gullwing-8 (DUB) packages.

The AMC1100 is a precision isolation amplifier with an output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier is certified to provide galvanic isolation of up to 4250 VPEAK, according to DIN VDE V 0884-11: 2017-01 and UL1577. Used in conjunction with isolated power supplies, this device prevents noise currents on a high common-mode voltage line from entering the local ground and interfering with or damaging sensitive circuitry.

The AMC1100 input is optimized for direct connection to shunt resistors or other low voltage level signal sources. The excellent performance of the device enables accurate current and voltage measurement in energy-metering applications. The output signal common-mode voltage is automatically adjusted to either the 3-V or 5-V low-side supply.

The AMC1100 is fully specified over the extended industrial temperature range of –40°C to +105°C and is available in the SMD-type, wide-body SOIC-8 (DWV) and gullwing-8 (DUB) packages.

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Technical documentation

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Type Title Date
* Data sheet AMC1100 Fully-Differential Isolation Amplifier datasheet (Rev. B) 03 Dec 2019
Application note Voltage Fed Full Bridge DC-DC & DC-AC Converter High-Freq Inverter Using C2000 (Rev. D) 07 Apr 2021
White paper Best in Class Radiated Emissions EMI Perf. with AMC1300B-Q1 Isolated Amplifier 29 Jun 2020
E-book Simplifying Current Sensing (Rev. A) 09 Jan 2020
White paper Comparing isolated amplifiers and isolated modulators (Rev. A) 28 Feb 2019
Certificate UL Certification (File: E181974 Project: 478705069) (Rev. C) 11 Jun 2018
Application note 800VA Pure Sine Wave Inverter's Reference Design (Rev. A) 01 Aug 2017
Application note Interfacing a Differential-Output (Isolated) Amp to a Single-Ended Input ADC 19 Apr 2017
Technical article Exploring high-voltage transmission – part 2, voltage-source converters 14 Mar 2017
User guide AMC1100EVM User's Guide (Rev. A) 11 Dec 2015
Certificate CSA Certification (Certificate: 220991) (Rev. A) 23 Oct 2015
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
Application note Designing Low Cost Flyback Power Supply Using Boost Converter (TPS61165) for HF 17 Apr 2014
Application note Replacement of Input Main Sensing Transformer in Inverters with Isolate Amplifie 21 Aug 2012

Design & development

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

Evaluation board

AMC1100EVM — AMC1100 Evaluation Module

The AMC1100 is an isolated single-channel analog amplifier an output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. The AMC1100 is used in high-resolution measurement applications including current monitoring, industrial (...)

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Support software

ELETR-3P-DIGITAL-POWER — Electronic Minds digital power design support

Electronic Minds is a world class team of engineers and technologists who are driven by one common desire – to rapidly innovate leading edge technology for their clients. Their expertise, proven experience, and attention to detail allows partners to deliver industry-leading Industrial, Grid (...)
From: Electronic Minds Ltd.
Simulation model

AMC1100 TINA-TI Reference Design

SBAM153.TSC (123 KB) - TINA-TI Reference Design
Simulation model

AMC1100 TINA-TI Spice Model

SBAM154.ZIP (28 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 (...)
参考设计

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 for (...)
参考设计

TIDA-00555 — Isolated Current & Voltage Measurement Using Fully Differential Isolation Amplifier Reference Design

TIDA-00555 demonstrates the use of AMC1100, a fully differential isolation amplifier, as an analog front end to measure voltage and current. It demonstrates measurement of voltage inputs in an input-to-output isolation configuration and current inputs in a channel-to-channel isolation (...)
参考设计

PMP9480 — Isolated Bias Supplies + Isolated Amplifier Combo for Line Voltage or Current Measurement

PMP9480 is a dual  output Flybuck Converter plus an Isolated amplifier combo solution that can not only be used for sensing Line voltage or Line current but also  provide Aux Bias power for  complete Industrial system .  The design accepts very Wide input voltage of 10 Vin to (...)
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