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AMC1350

ACTIVE

±5-V input, precision voltage sensing reinforced isolated amplifier

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Data sheet

AMC1350

ACTIVE
Data sheet Order now

Product details

Device type Voltage sensing Output type Differential Peak-to-peak input voltage range (V) 5 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Working isolation voltage (VIOWM) (Vrms) 1500 Transient isolation voltage (VIOTM) (VPK) 7000 CMTI (min) (kV/µs) 100 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0015 Input offset drift (±) (typ) (µV/°C) 3 Rating Catalog Operating temperature range (°C) -40 to 125
Device type Voltage sensing Output type Differential Peak-to-peak input voltage range (V) 5 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Working isolation voltage (VIOWM) (Vrms) 1500 Transient isolation voltage (VIOTM) (VPK) 7000 CMTI (min) (kV/µs) 100 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0015 Input offset drift (±) (typ) (µV/°C) 3 Rating Catalog Operating temperature range (°C) -40 to 125
SOIC (DWV) 8 67.275 mm² (5.85 mm × 11.5 mm)
  • Linear input voltage range: ±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: ±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 AMC1350 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 AMC1350 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 AC and DC voltage sensing in DC/DC converters, frequency inverters, AC motor, and servo-drive applications over the extended industrial temperature range from –40°C to +125°C.

The AMC1350 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 AMC1350 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 AC and DC voltage sensing in DC/DC converters, frequency inverters, AC motor, and servo-drive applications over the extended industrial temperature range from –40°C to +125°C.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet AMC1350 Precision, ±5-V Input, Reinforced Isolated Amplifier datasheet (Rev. A) PDF | HTML Dec 9, 2021
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. AB) Jul 15, 2026
Application note Pairing Isolated Amplifiers With SAR AD Converters (Rev. A) PDF | HTML Jul 10, 2026
White paper Addressing High-Volt Design Challenges w/ Reliable and Affordable Isolation Tech (Rev. D) PDF | HTML May 15, 2026
Application note Temperature Monitor for Power Modules and Power Electronic Parts Jul 30, 2025
Circuit design Three-Phase Isolated Voltage-Sensing Circuit Using AMC1350 PDF | HTML Apr 11, 2025
E-book An Engineer's Guide to Isolated Signal Chain Solutions PDF | HTML May 23, 2024
Application note Designing a Bootstrap Charge-Pump Power Supply for an Isolated Amplifier PDF | HTML Sep 25, 2023
Application brief Shunt Resistor Selection for Isolated Data Converters PDF | HTML May 4, 2023
Certificate UL Certificate of Compliance Vol4 Sec5 E181974 (Rev. A) Jan 23, 2023
Analog design Journal Isolated Voltage Sensing in AC Motor Drives PDF | HTML Jun 8, 2022

Design & development

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

Evaluation board

AMC1350EVM — AMC1350 evaluation module for ±5-V input, precision, reinforced isolated amplifier

The AMC1350 evaluation module (EVM) is a platform for evaluating the AMC1350, which is a precision isolated amplifier with a -5-V to 5-V input range. AMC1350 has 7071-VPK reinforced isolation and is designed for use in bipolar voltage-measuring applications.

User guide: PDF | HTML
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Simulation model

AMC1350 PSpice Model

SBAM465.ZIP (8 KB) - PSpice model
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Simulation model

AMC1350 TINA-TI Reference Design

SBAM470.ZIP (14 KB) - TINA-TI reference design
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Calculation tool

SBAR013 — Isolated Amplifier Voltage Sensing Excel Calculator

This calculator provides estimates of the errors associated with using isolation amplifier devices in a voltage sensing configuration.
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Calculation tool

SBAR020 — Isolated Amplifier Current Sensing Excel Calculator

This calculator provides estimates of the errors associated with using isolation amplifier devices in a current sensing configuration.
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Reference design

TIDA-010257 — 10kW Vienna rectifier-based, three-phase power factor correction reference design

The Vienna rectifier power topology is used in high-power, three-phase power factor correction applications such as appliances, electric vehicle (EV) chargers, and telecom rectifiers. Control design of the rectifier can be complex. This reference design illustrates a method to control the power (...)
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