Product details

Input range (Vp-p) 0-5 Isolation working voltage VIOWM (rms) (V) 1500 Isolation transient overvoltage VIOTM (peak) (V) 7000 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) 10 Gain non-linearity (+/-) (Max) (%) 0.01 Small signal bandwidth (Typ) (kHz) 275 Rating Catalog Operating temperature range (C) -40 to 125
Input range (Vp-p) 0-5 Isolation working voltage VIOWM (rms) (V) 1500 Isolation transient overvoltage VIOTM (peak) (V) 7000 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) 10 Gain non-linearity (+/-) (Max) (%) 0.01 Small signal bandwidth (Typ) (kHz) 275 Rating Catalog Operating temperature range (C) -40 to 125
SOIC (DWV) 8 67 mm² 5.85 x 11.5
  • Linear input voltage range: –0.25 V to 5 V
  • High input impedance: 1.25 MΩ (typ)
  • Fixed gain: 0.4 V/V
  • Low DC errors:
    • Offset error ±1.5 mV (max)
    • Offset drift: ±15 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±35 ppm/°C (max)
    • Nonlinearity ±0.02% (max)
  • Operation on high-side and low-side: 3.3 V or 5 V
  • High CMTI: 100 kV/µs (min)
  • Fail-safe output
  • Safety-related certifications:
    • 7070-VPK reinforced isolation per DIN VDE V 0884-11: 2017-01
    • 5000-VRMS isolation for 1 minute per UL1577
  • Fully specified over the extended industrial temperature range: –40°C to +125°C
  • Linear input voltage range: –0.25 V to 5 V
  • High input impedance: 1.25 MΩ (typ)
  • Fixed gain: 0.4 V/V
  • Low DC errors:
    • Offset error ±1.5 mV (max)
    • Offset drift: ±15 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±35 ppm/°C (max)
    • Nonlinearity ±0.02% (max)
  • Operation on high-side and low-side: 3.3 V or 5 V
  • High CMTI: 100 kV/µs (min)
  • Fail-safe output
  • Safety-related certifications:
    • 7070-VPK reinforced isolation per DIN VDE V 0884-11: 2017-01
    • 5000-VRMS isolation for 1 minute per UL1577
  • Fully specified over the extended industrial temperature range: –40°C to +125°C

The AMC1351 is a precision, isolated amplifier with an output separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 5 kVRMS according to VDE V 0884-11 and UL1577, and supports a working voltage of up to 1.5 kVRMS.

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

The high-impedance input of the AMC1351 is optimized for connection to high-impedance resistive dividers or other voltage signal sources with high output resistance. The excellent accuracy and low temperature drift supports accurate DC voltage sensing in DC/DC converters, frequency inverters, motor-drive, or other applications over the extended industrial temperature range from –40°C to +125°C.

The AMC1351 is a precision, isolated amplifier with an output separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 5 kVRMS according to VDE V 0884-11 and UL1577, and supports a working voltage of up to 1.5 kVRMS.

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

The high-impedance input of the AMC1351 is optimized for connection to high-impedance resistive dividers or other voltage signal sources with high output resistance. The excellent accuracy and low temperature drift supports accurate DC voltage sensing in DC/DC converters, frequency inverters, motor-drive, or other applications over the extended industrial temperature range from –40°C to +125°C.

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Technical documentation

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Type Title Date
* Data sheet AMC1351 Precision, 5-V Input, Reinforced Isolated Amplifier datasheet 09 Dec 2021
Certificate AMC1351EVM EU RoHS Declaration of Conformity (DoC) (Rev. A) 12 Nov 2021
User guide AMC1350EVM and AMC1351EVM User's Guide 06 Aug 2021
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

AMC1351EVM — AMC1351 evaluation module for 0-V to 5-V input, precision reinforced isolated amplifier

The AMC1351 evaluation module (EVM) is a platform for evaluating the AMC1351, which is a precision isolated amplifier with a 0-V to 5-V input range. AMC1351 has 7071-VPK reinforced isolation and is designed for use in unipolar voltage-measuring applications.

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Simulation model

AMC1351 PSpice Model

SBAM466.ZIP (8 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 (...)
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