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Amplificadores aislados

AMC1200

ACTIVO

Amplificador básico aislado con detección de corriente de precisión y entrada de 250 mV

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AMC1200

ACTIVO
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Detalles del producto

Device type Current sensing Peak-to-peak input voltage range (V) 0.25 Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 800 Transient isolation voltage (VIOTM) (VPK) 4250 CMTI (min) (kV/µs) 10 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0015 Input offset drift (±) (typ) (V/°C) 0.0000015 Rating Catalog Operating temperature range (°C) -40 to 105
Device type Current sensing Peak-to-peak input voltage range (V) 0.25 Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 800 Transient isolation voltage (VIOTM) (VPK) 4250 CMTI (min) (kV/µs) 10 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0015 Input offset drift (±) (typ) (V/°C) 0.0000015 Rating Catalog Operating temperature range (°C) -40 to 105
SOIC (DWV) 8 67.275 mm² 5.85 x 11.5 SOP (DUB) 8 98.8 mm² 9.5 x 10.4
  • ±250-mV Input Voltage Range Optimized for
    Shunt Resistors
  • Very Low Nonlinearity: 0.075% Maximum at 5 V
  • Low Offset Error: 1.5 mV Maximum
  • Low Noise: 3.1 mVRMS Typical
  • Low High-Side Supply Current:
    8 mA Maximum at 5 V
  • Input Bandwidth: 60 kHz Minimum
  • Fixed Gain: 8 (0.5% accuracy)
  • High Common Mode Rejection Ratio: 108 dB
  • 3.3-V Operation on Low-Side
  • Certified Galvanic Isolation:
    • UL1577 and VDE V 0884-10 Approved
    • Isolation Voltage: 4250 VPEAK (AMC1200B)
    • Working Voltage: 1200 VPEAK
    • Transient Immunity: 10 kV/µs Minimum
  • Typical 10-Year Lifespan at Rated Working
    Voltage (see Application Report SLLA197)
  • Fully Specified Over the Extended Industrial
    Temperature Range
  • ±250-mV Input Voltage Range Optimized for
    Shunt Resistors
  • Very Low Nonlinearity: 0.075% Maximum at 5 V
  • Low Offset Error: 1.5 mV Maximum
  • Low Noise: 3.1 mVRMS Typical
  • Low High-Side Supply Current:
    8 mA Maximum at 5 V
  • Input Bandwidth: 60 kHz Minimum
  • Fixed Gain: 8 (0.5% accuracy)
  • High Common Mode Rejection Ratio: 108 dB
  • 3.3-V Operation on Low-Side
  • Certified Galvanic Isolation:
    • UL1577 and VDE V 0884-10 Approved
    • Isolation Voltage: 4250 VPEAK (AMC1200B)
    • Working Voltage: 1200 VPEAK
    • Transient Immunity: 10 kV/µs Minimum
  • Typical 10-Year Lifespan at Rated Working
    Voltage (see Application Report SLLA197)
  • Fully Specified Over the Extended Industrial
    Temperature Range

The AMC1200 and AMC1200B are precision isolation amplifiers with an output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier has been certified to provide galvanic isolation of up to 4250 VPEAK (AMC1200B) or 4000 VPEAK (AMC1200) according to UL1577 and VDE V 0884-10. Used in conjunction with isolated power supplies, these devices prevent noise currents on a high common mode voltage line from entering the local ground and interfering with or damaging sensitive circuitry.

The input of the AMC1200 or AMC1200B is optimized for direct connection to shunt resistors or other low voltage level signal sources. The excellent performance of the device supports accurate current control resulting in system-level power saving and, especially in motor-control applications, lower torque ripple. The common mode voltage of the output signal is automatically adjusted to either the 3-V or 5-V low-side supply.

The AMC1200 and AMC1200B are fully specified over the extended industrial temperature range of –40°C to 105°C and are available in a wide-body SOIC-8 package (DWV) and a gullwing-8 package (DUB).

The AMC1200 and AMC1200B are precision isolation amplifiers with an output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier has been certified to provide galvanic isolation of up to 4250 VPEAK (AMC1200B) or 4000 VPEAK (AMC1200) according to UL1577 and VDE V 0884-10. Used in conjunction with isolated power supplies, these devices prevent noise currents on a high common mode voltage line from entering the local ground and interfering with or damaging sensitive circuitry.

The input of the AMC1200 or AMC1200B is optimized for direct connection to shunt resistors or other low voltage level signal sources. The excellent performance of the device supports accurate current control resulting in system-level power saving and, especially in motor-control applications, lower torque ripple. The common mode voltage of the output signal is automatically adjusted to either the 3-V or 5-V low-side supply.

The AMC1200 and AMC1200B are fully specified over the extended industrial temperature range of –40°C to 105°C and are available in a wide-body SOIC-8 package (DWV) and a gullwing-8 package (DUB).
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Documentación técnica

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* Data sheet AMC1200/B Fully-Differential Isolation Amplifier datasheet (Rev. D) PDF | HTML 10 jun 2015
Certificate VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. W) 31 ene 2024
Application brief Interfacing a Differential-Output (Isolated) Amp to a Single-Ended Input ADC (Rev. B) PDF | HTML 02 jun 2023
Application brief Shunt Resistor Selection for Isolated Data Converters PDF | HTML 04 may 2023
White paper Best in Class Radiated Emissions EMI Performance with Isolated Amplifiers (Rev. A) PDF | HTML 15 mar 2023
Certificate UL Certificate of Compliance File E181974 Vol 4 Sec 1 (Rev. A) 05 ago 2022
White paper Comparing isolated amplifiers and isolated modulators (Rev. A) 28 feb 2019
Technical article Voltage and current sensing in HEV/EV applications PDF | HTML 22 nov 2017
Design guide Shunt Based 200A Peak Current Measurement Using Isolation Amplifier Design Guide (Rev. A) 05 mar 2016
Certificate CSA Certification (Certificate: 220991) (Rev. A) 23 oct 2015
EVM User's guide AMC1200EVM User Guide (Rev. A) 30 jul 2013
User guide 0-5 A, Single-Supply, 2 kV Isolated Current Sensing Solution 18 jun 2013

Diseño y desarrollo

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Placa de evaluación

AMC1200EVM — Módulo de evaluación de AMC1200 para amplificador aislado básico de entrada de ±250 mV para detecció

The AMC1200 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 AMC1200 is used in high-resolution measurement applications including current monitoring, industrial (...)

Guía del usuario: PDF
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Modelo de simulación

AMC1200 PSpice Model

SBAM289.ZIP (4 KB) - PSpice Model
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SBAM098.ZIP (24 KB) - TINA-TI Reference Design
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AMC1200 TINA-TI Spice Model

SBAM097.ZIP (11 KB) - TINA-TI Spice Model
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Herramienta de simulación

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Paquete Pasadores Descargar
SOIC (DWV) 8 Ver opciones
SOP (DUB) 8 Ver opciones
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Pedidos y calidad

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  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
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  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
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