Product details

Device type Voltage sensing Input range (Vp-p) 2 Isolation working voltage VIOWM (rms) (V) 2000 Isolation transient overvoltage VIOTM (peak) (V) 10600 CMTI (Min) (kV/µs) 100 Input offset (+/-) (Max) (mV) 1.5 Input offset drift (+/-) (Typ) (uV/C) 3 Gain error (+/-) (Max) (%) 0.2 Gain error drift (+/-) (Typ) (ppm/°C) 5 Gain non-linearity (+/-) (Max) (%) 0.04 Small signal bandwidth (Typ) (kHz) 275 Rating Catalog Operating temperature range (C) -40 to 125
Device type Voltage sensing Input range (Vp-p) 2 Isolation working voltage VIOWM (rms) (V) 2000 Isolation transient overvoltage VIOTM (peak) (V) 10600 CMTI (Min) (kV/µs) 100 Input offset (+/-) (Max) (mV) 1.5 Input offset drift (+/-) (Typ) (uV/C) 3 Gain error (+/-) (Max) (%) 0.2 Gain error drift (+/-) (Typ) (ppm/°C) 5 Gain non-linearity (+/-) (Max) (%) 0.04 Small signal bandwidth (Typ) (kHz) 275 Rating Catalog Operating temperature range (C) -40 to 125
SOIC (DWL) 8 90 mm² 14 x 6.4
  • 2-V, high-impedance input voltage range optimized for isolated voltage measurements
  • Fixed gain: 1.0 V/V
  • Low DC errors:
    • Offset error ±1.5 mV (max)
    • Offset drift: ±10 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±30 ppm/°C (max)
    • Nonlinearity 0.04% (max)
  • 3.3-V or 5-V operation on high-side and low-side
  • Missing high-side supply detection feature
  • High CMTI: 100 kV/µs (min)
  • ≥15.7-mm creepage, stretched SOIC package
  • Reinforced isolation:
    • 10600-VPK reinforced isolation per DIN VDE V 0884-11: 2017-01
    • 7500-VRMS isolation for 1 minute per UL1577
  • Fully specified over the extended industrial temperature range: –40°C to +125°C
  • 2-V, high-impedance input voltage range optimized for isolated voltage measurements
  • Fixed gain: 1.0 V/V
  • Low DC errors:
    • Offset error ±1.5 mV (max)
    • Offset drift: ±10 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±30 ppm/°C (max)
    • Nonlinearity 0.04% (max)
  • 3.3-V or 5-V operation on high-side and low-side
  • Missing high-side supply detection feature
  • High CMTI: 100 kV/µs (min)
  • ≥15.7-mm creepage, stretched SOIC package
  • Reinforced isolation:
    • 10600-VPK reinforced isolation per DIN VDE V 0884-11: 2017-01
    • 7500-VRMS isolation for 1 minute per UL1577
  • Fully specified over the extended industrial temperature range: –40°C to +125°C

The AMC1411 is a precision, isolated amplifier with an output separated from the input circuitry by a capacitive isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 7.5 kVRMS according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1600 VRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from voltages that can cause electrical damage or be harmful to an operator.

The high-impedance input of the AMC1411 is optimized for connection to high-impedance resistive dividers or other high-impedance voltage signal source. The excellent DC accuracy and low temperature drift support accurate voltage sensing in DC/DC converters, solar or wind turbine inverters, AC motor drives, or other applications that must operate at high voltages, high altitudes, or in environments with high pollution degrees.

The AMC1411 is specified over the extended industrial temperature range from –40°C to +125°C and supports operation down to –55°C.

The AMC1411 is a precision, isolated amplifier with an output separated from the input circuitry by a capacitive isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 7.5 kVRMS according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1600 VRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from voltages that can cause electrical damage or be harmful to an operator.

The high-impedance input of the AMC1411 is optimized for connection to high-impedance resistive dividers or other high-impedance voltage signal source. The excellent DC accuracy and low temperature drift support accurate voltage sensing in DC/DC converters, solar or wind turbine inverters, AC motor drives, or other applications that must operate at high voltages, high altitudes, or in environments with high pollution degrees.

The AMC1411 is specified over the extended industrial temperature range from –40°C to +125°C and supports operation down to –55°C.

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Technical documentation

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Type Title Date
* Data sheet AMC1411 High-Impedance, 2-V Input, Reinforced Isolated Amplifier in a 15-mm Stretched SOIC Package datasheet (Rev. A) PDF | HTML 30 Sep 2021
White paper High-Voltage Semiconductor Solutions for Meeting Isolation Requirements (Rev. A) PDF | HTML 06 Jun 2022
White paper 以可靠且經濟實惠的隔離技術解決高電壓設計難題 (Rev. A) PDF | HTML 06 Jun 2022
White paper 높 은 신뢰도와 합리적인 가격대의 절연 기술 개발과 관련한 고전압 설계 문 제의 해결.. (Rev. A) PDF | HTML 06 Jun 2022
Certificate UL Certificate of Compliance Vol4 Sec13 - E181974 20 May 2022
Application note Interfacing a Differential-Output (Isolated) Amp to a Single-Ended Input ADC (Rev. A) PDF | HTML 10 Mar 2022
Certificate AMC1411EVM EU RoHS Declaration of Conformity (DoC) (Rev. A) 05 Oct 2021
Application note Isolated Voltage-Measurement Circuit With ±250-mV Input and Differential Output (Rev. A) 09 Sep 2021
Application note TI's First Isolated Amplifiers With Ultra-Wide Creepage and Clearance PDF | HTML 13 Aug 2021
Analog Design Journal Design considerations for isolated current sensing 18 Mar 2021
Circuit design Isolated current-measurement circuit with ±250-mV input and differential output 23 Jul 2020
White paper Comparing isolated amplifiers and isolated modulators (Rev. A) 28 Feb 2019
Circuit design ±480-V isolated voltage-sensing circuit with differential output 24 Jan 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

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Evaluation board

AMC1411EVM — AMC1411 evaluation module for 2-V-input reinforced isolated amplifier for voltage sensing

The AMC1411 evaluation module (EVM) is a platform for evaluating the AMC1411 precision isolated amplifier. AMC1411 is a 10.5-kV amplifier designed for use in unipolar voltage-measuring applications. A complete circuit description, including the schematic diagram and bill of materials (BOM), is (...)

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AMC1411 TINA-TI Reference Design

SBAM472.ZIP (325 KB) - TINA-TI Reference Design
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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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