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隔離
隔離式放大器

AMC1100

現行

±250mV 輸入、精密電流感測低成本基本型隔離放大器

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產品規格表

AMC1100

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 Basic Withstand isolation voltage (VISO) (Vrms) 3000 Working isolation voltage (VIOWM) (Vrms) 800 Transient isolation voltage (VIOTM) (VPK) 4250 CMTI (min) (kV/µs) 2.5 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0015 Input offset drift (±) (typ) (µV/°C) 1.5 Rating Catalog Operating temperature range (°C) -40 to 105
Device type Current sensing Output type Differential Peak-to-peak input voltage range (V) 0.25 Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 3000 Working isolation voltage (VIOWM) (Vrms) 800 Transient isolation voltage (VIOTM) (VPK) 4250 CMTI (min) (kV/µs) 2.5 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0015 Input offset drift (±) (typ) (µV/°C) 1.5 Rating Catalog Operating temperature range (°C) -40 to 105
SOP (DUB) 8 98.8 mm² (9.5 mm × 10.4 mm) SOIC (DWV) 8 67.275 mm² (5.85 mm × 11.5 mm)
  • ±250-mV input voltage range optimized for shunt resistors
  • Very low nonlinearity: 0.075% max at 5 V
  • Low offset error: 1.5 mV max
  • Low noise: 3.1 mVRMS typ
  • Low high-side supply current:
    8 mA max at 5 V
  • Input bandwidth: 60 kHz min
  • Fixed gain: 8 (0.5% Accuracy)
  • High common-mode rejection ratio: 108 dB
  • Low-side operation: 3.3 V
  • Safety-related certifications:
    • 4250-VPK basic isolation per
      DIN VDE V 0884-11: 2017-01
    • 3005-VRMS isolation for 1 minute per UL1577
    • CAN/CSA no. 5A-component acceptance service notice and DIN EN 61010-1 standard
    • Working voltage: 1200 VPEAK
    • Transient immunity: 2.5 kV/µs min
  • Fully specified over the extended industrial temperature range
  • ±250-mV input voltage range optimized for shunt resistors
  • Very low nonlinearity: 0.075% max at 5 V
  • Low offset error: 1.5 mV max
  • Low noise: 3.1 mVRMS typ
  • Low high-side supply current:
    8 mA max at 5 V
  • Input bandwidth: 60 kHz min
  • Fixed gain: 8 (0.5% Accuracy)
  • High common-mode rejection ratio: 108 dB
  • Low-side operation: 3.3 V
  • Safety-related certifications:
    • 4250-VPK basic isolation per
      DIN VDE V 0884-11: 2017-01
    • 3005-VRMS isolation for 1 minute per UL1577
    • CAN/CSA no. 5A-component acceptance service notice and DIN EN 61010-1 standard
    • Working voltage: 1200 VPEAK
    • Transient immunity: 2.5 kV/µs min
  • Fully specified over the extended industrial temperature range

The AMC1100 is a precision isolation amplifier with an output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier is certified to provide galvanic isolation of up to 4250 VPEAK, according to DIN VDE V 0884-11: 2017-01 and UL1577. Used in conjunction with isolated power supplies, this device prevents noise currents on a high common-mode voltage line from entering the local ground and interfering with or damaging sensitive circuitry.

The AMC1100 input is optimized for direct connection to shunt resistors or other low voltage level signal sources. The excellent performance of the device enables accurate current and voltage measurement in energy-metering applications. The output signal common-mode voltage is automatically adjusted to either the 3-V or 5-V low-side supply.

The AMC1100 is fully specified over the extended industrial temperature range of –40°C to +105°C and is available in the SMD-type, wide-body SOIC-8 (DWV) and gullwing-8 (DUB) packages.

The AMC1100 is a precision isolation amplifier with an output separated from the input circuitry by a silicon dioxide (SiO2) barrier that is highly resistant to magnetic interference. This barrier is certified to provide galvanic isolation of up to 4250 VPEAK, according to DIN VDE V 0884-11: 2017-01 and UL1577. Used in conjunction with isolated power supplies, this device prevents noise currents on a high common-mode voltage line from entering the local ground and interfering with or damaging sensitive circuitry.

The AMC1100 input is optimized for direct connection to shunt resistors or other low voltage level signal sources. The excellent performance of the device enables accurate current and voltage measurement in energy-metering applications. The output signal common-mode voltage is automatically adjusted to either the 3-V or 5-V low-side supply.

The AMC1100 is fully specified over the extended industrial temperature range of –40°C to +105°C and is available in the SMD-type, wide-body SOIC-8 (DWV) and gullwing-8 (DUB) packages.
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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 AMC1100 Fully-Differential Isolation Amplifier datasheet (Rev. B) PDF | HTML 2019/12/3
證書 VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. AA) 2026/6/11
白皮書 Comparing Isolated Amplifiers and Isolated Modulators (Rev. B) PDF | HTML 2024/6/4
電子書 An Engineer's Guide to Isolated Signal Chain Solutions PDF | HTML 2024/5/23
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
白皮書 Best in Class Radiated Emissions EMI Performance with Isolated Amplifiers (Rev. A) PDF | HTML 2023/3/15
證書 UL Certificate of Compliance File E181974 Vol 4 Sec 1 (Rev. A) 2022/8/5
電子書 An Engineer's Guide to Current Sensing (Rev. B) 2022/4/12
應用說明 Voltage Fed Full Bridge DC-DC & DC-AC Converter High-Freq Inverter Using C2000 (Rev. D) 2021/4/7
應用說明 800VA Pure Sine Wave Inverter's Reference Design (Rev. A) PDF | HTML 2017/8/1
技術文章 Exploring high-voltage transmission – part 2, voltage-source converters PDF | HTML 2017/3/14
證書 CSA Certification (Certificate: 220991) (Rev. A) 2015/10/23
應用說明 Designing Low Cost Flyback Power Supply Using Boost Converter (TPS61165) for HF 2014/4/17
應用說明 Replacement of Input Main Sensing Transformer in Inverters with Isolate Amplifie 2012/8/21

設計與開發

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開發板

AMC1100EVM — AMC1100 評估模組

The AMC1100 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 AMC1100 is used in high-resolution measurement applications including current monitoring, industrial (...)

使用指南: PDF
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ELETR-3P-DIGITAL-POWER — Electronic Minds 數位電源設計支援

Electronic Minds is a world class team of engineers and technologists who are driven by one common desire – to rapidly innovate leading edge technology for their clients. Their expertise, proven experience, and attention to detail allows partners to deliver industry-leading Industrial, Grid, (...)

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模擬型號

AMC1100 TINA-TI Reference Design

SBAM153.TSC (123 KB) - TINA-TI 參考設計
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模擬型號

AMC1100 TINA-TI Spice Model

SBAM154.ZIP (28 KB) - TINA-TI Spice 模型
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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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參考設計

TIDA-00555 — 採用全差動隔離式放大器的隔離式電流和電壓量測參考設計

TIDA-00555 展示了如何運用 AMC1100（一款全差動隔離放大器）作為類比前端，用於測量電壓與電流。它展示了在輸入至輸出隔離配置中對電壓輸入的測量，以及在通道對通道隔離配置中對電流輸入的測量。其具備功率隔離功能，可測量隔離電壓與電流。此設計可用於需要以分流器取代電流變壓器 (CT) 的應用。電路板上配置了分流器與電位分壓器，可直接連接電流與電壓輸入端。

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參考設計

TIDA-010065 — 基於高效、低排放、隔離式 DC/DC 轉換器的類比輸入模組參考設計

此參考設計為一簡化架構，可產生隔離式電源供應，適用於測量隔離電壓與電流的隔離式放大器。具 5-V 輸入之強化隔離操作的完全整合式 DC/DC 轉換器，並具備可設定 5-V 或 5.4-V 輸出 (適用於低壓降穩壓器 (LDO) 的空餘空間) 可產生隔離電源。介接至 ±50-mV 輸入範圍隔離放大器，且配置爲通道隔離輸入的分流，可測量電流。連接至 ±250-mV 或 ±12-V 輸入範圍隔離放大器，且配置爲群組隔離輸入的潛在分頻器，可測量電壓。隔離放大器介面直接輸出至 24 位元 ΔΣ 類比轉數位轉換器 (ADC)，或使用增益放大器擴展至 ±10 V，並連接至 16 位元 SAR ADC (...)
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOP (DUB) 8 Ultra Librarian
SOIC (DWV) 8 Ultra Librarian
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