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隔離式放大器

AMC1411-Q1

現行

具高 CMTI 的車用 2-V 輸入、精密電壓感測強化型隔離放大器

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產品規格表

AMC1411-Q1

現行
產品規格表 立即訂購

產品詳細資料

Device type Voltage sensing Output type Differential Peak-to-peak input voltage range (V) 2 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 7500 Working isolation voltage (VIOWM) (Vrms) 1600 Transient isolation voltage (VIOTM) (VPK) 10600 CMTI (min) (kV/µs) 100 Creepage (min) (mm) 15.7 Clearance (min) (mm) 15.7 Input offset (±) (max) (V) 0.0015 Input offset drift (±) (typ) (µV/°C) 3 Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable
Device type Voltage sensing Output type Differential Peak-to-peak input voltage range (V) 2 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 7500 Working isolation voltage (VIOWM) (Vrms) 1600 Transient isolation voltage (VIOTM) (VPK) 10600 CMTI (min) (kV/µs) 100 Creepage (min) (mm) 15.7 Clearance (min) (mm) 15.7 Input offset (±) (max) (V) 0.0015 Input offset drift (±) (typ) (µV/°C) 3 Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable
SOIC (DWL) 8 106.24 mm² (6.4 mm × 16.6 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • 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
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • 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

The AMC1411-Q1 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-Q1 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, isolated voltage sensing in onboard chargers (OBC), DC/DC converters, traction inverters, or other applications that must operate at high common-mode voltages, high altitudes, or in environments with high pollution degrees.

The AMC1411-Q1 is offered in a stretched 8-pin SOIC package and is AEC-Q100 qualified for automotive applications and supports the temperature range from –40°C to +125°C.

The AMC1411-Q1 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-Q1 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, isolated voltage sensing in onboard chargers (OBC), DC/DC converters, traction inverters, or other applications that must operate at high common-mode voltages, high altitudes, or in environments with high pollution degrees.

The AMC1411-Q1 is offered in a stretched 8-pin SOIC package and is AEC-Q100 qualified for automotive applications and supports the temperature range from –40°C to +125°C.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 AMC1411-Q1 Automotive, High-Impedance, 2-V Input, Reinforced Isolated Amplifier in a 15-mm Stretched SOIC Package datasheet PDF | HTML 2021/10/11
證書 VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. AB) 2026/7/15
應用說明 Pairing Isolated Amplifiers With SAR AD Converters (Rev. A) PDF | HTML 2026/7/10
應用說明 Isolated Converters CISPR25 Radiated Emissions PDF | HTML 2025/10/13
Application brief Interfacing a Differential-Output (Isolated) Amp to a Single-Ended Input ADC (Rev. B) PDF | HTML 2023/6/2
Application brief Shunt Resistor Selection for Isolated Data Converters PDF | HTML 2023/5/4
證書 UL Certificate of Compliance Vol4 Sec13 - E181974 2022/5/20
功能安全資訊 AMC1411-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 2021/9/27
Application brief TI's First Isolated Amplifiers With Ultra-Wide Creepage and Clearance PDF | HTML 2021/8/13

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開發板

AMC1411EVM — 適用 2 V 輸入強化型隔離放大器且適用電壓感測的 AMC1411 評估模組

AMC1411 評估模組 (EVM) 是一個用於評估 AMC1411 精密隔離放大器的平台。AMC1411 是一款 10.5-kV 放大器，專為單極電壓測量之應用而打造。使用者指南中隨附完整的電路說明，包括電路圖和物料清單 (BOM)。

使用指南: PDF | HTML
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計算工具

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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計算工具

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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