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隔離式放大器

AMC3301-Q1

現行

具整合功能的車用 ± 250-mV 輸入、精密電流感測強化型隔離放大器DC/DC

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產品規格表

AMC3301-Q1

現行
產品規格表 立即訂購

產品詳細資料

Device type Current sensing Output type Differential Peak-to-peak input voltage range (V) 0.25 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 1200 Transient isolation voltage (VIOTM) (VPK) 6000 CMTI (min) (kV/µs) 85 Creepage (min) (mm) 8 Clearance (min) (mm) 8 Input offset (±) (max) (V) 0.00015 Input offset drift (±) (typ) (µV/°C) 0.15 Rating Automotive Operating temperature range (°C) -40 to 125
Device type Current sensing Output type Differential Peak-to-peak input voltage range (V) 0.25 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 1200 Transient isolation voltage (VIOTM) (VPK) 6000 CMTI (min) (kV/µs) 85 Creepage (min) (mm) 8 Clearance (min) (mm) 8 Input offset (±) (max) (V) 0.00015 Input offset drift (±) (typ) (µV/°C) 0.15 Rating Automotive Operating temperature range (°C) -40 to 125
SO-MOD (DWE) 16 106.09 mm² (10.3 mm × 10.3 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • 3.3-V or 5-V single supply with integrated DC/DC converter
  • ±250-mV input voltage range optimized for current measurement using shunt resistors
  • Fixed gain: 8.2
  • Low DC errors:
    • Offset voltage: ±150 µV (max)
    • Offset drift: ±1 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain error drift: ±40 ppm/°C (max)
    • Nonlinearity: ±0.04% (max)
  • High CMTI: 85 kV/µs (min)
  • System-level diagnostic features
  • Meets CISPR-11 and CISPR-25 EMI standards
  • Safety-related certifications:
    • 6000-VPK reinforced isolation per DIN VDE V 0884-11
    • 4250-VRMS isolation for 1 minute per UL1577
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • 3.3-V or 5-V single supply with integrated DC/DC converter
  • ±250-mV input voltage range optimized for current measurement using shunt resistors
  • Fixed gain: 8.2
  • Low DC errors:
    • Offset voltage: ±150 µV (max)
    • Offset drift: ±1 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain error drift: ±40 ppm/°C (max)
    • Nonlinearity: ±0.04% (max)
  • High CMTI: 85 kV/µs (min)
  • System-level diagnostic features
  • Meets CISPR-11 and CISPR-25 EMI standards
  • Safety-related certifications:
    • 6000-VPK reinforced isolation per DIN VDE V 0884-11
    • 4250-VRMS isolation for 1 minute per UL1577

The AMC3301-Q1 is a precision, isolated amplifier, optimized for shunt-based current measurements. The fully integrated, isolated DC/DC converter allows single-supply operation from the low-side of the device which makes the device a unique solution for space-constrained applications. The reinforced capacitive isolation barrier is certified according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1.2 kVRMS.

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

The input of the AMC3301-Q1 is optimized for direct connection to a low-impedance shunt resistor or other, low-impedance voltage source with low signal levels. The excellent DC accuracy and low temperature drift supports accurate current measurements in the temperature range from –40°C to +125°C.

The integrated DC/DC converter fault-detection and diagnostic output pin of the AMC3301-Q1 simplify system-level design and diagnostics.

The AMC3301-Q1 is a precision, isolated amplifier, optimized for shunt-based current measurements. The fully integrated, isolated DC/DC converter allows single-supply operation from the low-side of the device which makes the device a unique solution for space-constrained applications. The reinforced capacitive isolation barrier is certified according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1.2 kVRMS.

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

The input of the AMC3301-Q1 is optimized for direct connection to a low-impedance shunt resistor or other, low-impedance voltage source with low signal levels. The excellent DC accuracy and low temperature drift supports accurate current measurements in the temperature range from –40°C to +125°C.

The integrated DC/DC converter fault-detection and diagnostic output pin of the AMC3301-Q1 simplify system-level design and diagnostics.
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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 AMC3301-Q1 Precision, ±250-mV Input, Reinforced Isolated Amplifier With Integrated DC/DC Converter datasheet (Rev. A) PDF | HTML 2021/5/4
證書 VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. AB) 2026/7/15
白皮書 以可靠且經濟實惠的隔離技術解決高 電壓設計挑戰 PDF | HTML PDF | HTML 2026/5/28
應用說明 AMC High Side Power Supply Options PDF | HTML 2025/10/15
應用說明 Isolated Converters CISPR25 Radiated Emissions PDF | HTML 2025/10/13
證書 CQC Certificate for AMC33xx 2025/2/26
白皮書 Comparing Isolated Amplifiers and Isolated Modulators (Rev. B) PDF | HTML 2024/6/4
Application brief Utilizing AMC3311 to Power AMC23C11 for Isolated Sensing and Fault Detection PDF | HTML 2023/11/9
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
Application brief Comparing shunt- and hall-based isolated current-sensing solutions in HEV/EV (Rev. C) PDF | HTML 2023/3/28
證書 UL Certificate of Compliance Vol4 Sec5 E181974 (Rev. A) 2023/1/23
應用說明 Best Practices to Attenuate AMC3301 Family Radiated Emissions EMI (Rev. A) PDF | HTML 2022/9/22
Circuit design Isolated Current-Sensing Circuit W/ ±250-mV Input Range & Single-Ended Output PDF | HTML 2022/6/27
應用說明 Isolated Voltage-Measurement Circuit With ±250-mV Input and Differential Output (Rev. A) 2021/9/9
技術文章 Simplify your isolated current and voltage sensing designs with single-supply isol PDF | HTML 2020/10/26
Circuit design Isolated current-measurement circuit with ±250-mV input and differential output 2020/7/23

設計與開發

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開發板

AMC-AMP-50A-EVM — 適用於 ±50A AMCxx 放大器的評估模組

AMC-AMP-50A-EVM 是一款隔離式電流感測評估模組 (EVM)，專為 ±50A 分流架構電流感測設計。此 EVM 可讓使用者透過外部分流電阻器感測高達 ±50A 峰值電流，同時透過 AMC3302 的隔離層測量隔離輸出。AMC3302 是一款針對分流架構電流量測最佳化的精密隔離式放大器，並與 Isabellenhütte BVN-BVN- M R001 分流電阻器配對。此 EVM 透過拼接提供在大電流下促進散熱，並可在 ±1% (典型) 準確度內運作。
使用指南: PDF | HTML
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AMC3301EVM — 具有整合式 DC/DC 轉換器的 AMC3301 精密度強化型隔離式調變器評估模組

AMC3301 評估模組 (EVM) 是用於評估 AMC3301 裝置的平台，此平台是具備整合式 DC/DC 轉換器的精密度隔離式放大器，可由轉換器供電給放大器高壓側。AMC3301 是一款 7-kV 強化型隔離式放大器，主要設計用於電流分流測量應用。

使用指南中包含完整的電路描述、電路圖和物料清單 (BOM)。

使用指南: PDF | HTML
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模擬型號

AMC3301 TINA-TI Reference Design (Rev. B)

SBAM440B (151 KB) - TINA-TI 參考設計
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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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