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AMC0311D 現行 具有固定增益,差動輸出的精密 2V 輸入強化型隔離放大器 Drop in replacement.

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) 5000 Working isolation voltage (VIOWM) (Vrms) 1500 Transient isolation voltage (VIOTM) (VPK) 7000 CMTI (min) (kV/µs) 15, 75 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0015, 0.0099 Input offset drift (±) (typ) (µV/°C) 3, 20 Rating Catalog Operating temperature range (°C) -55 to 125
Device type Voltage sensing Output type Differential Peak-to-peak input voltage range (V) 2 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) 15, 75 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5 Input offset (±) (max) (V) 0.0015, 0.0099 Input offset drift (±) (typ) (µV/°C) 3, 20 Rating Catalog Operating temperature range (°C) -55 to 125
SOIC (DWV) 8 67.275 mm² 5.85 x 11.5
  • 2-V, high-impedance input voltage range optimized for isolated voltage measurement
  • Fixed gain: 1
  • Low DC errors:
    • AMC1311:
      • Offset error: ±9.9 mV (maximum)
      • Offset drift: ±20 µV/°C (typical)
      • Gain error: ±1% (maximum)
      • Gain drift: ±30 ppm/°C (typical)
    • AMC1311B:
      • Offset error: ±1.5 mV (maximum)
      • Offset drift: ±10 µV/°C (maximum)
      • Gain error: ±0.2% (maximum)
      • Gain drift: ±40 ppm/°C (maximum)
    • Nonlinearity: 0.04% (maximum)
  • 3.3-V operation on high-side ( AMC1311B)
  • High CMTI: 100 kV/µs (minimum) ( AMC1311B)
  • Missing high-side supply indication
  • Safety-related certifications:
    • 7000-VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000-VRMS isolation for 1 minute per UL1577
    • Fully specified over the extended industrial temperature range: –40°C to +125°C
  • 2-V, high-impedance input voltage range optimized for isolated voltage measurement
  • Fixed gain: 1
  • Low DC errors:
    • AMC1311:
      • Offset error: ±9.9 mV (maximum)
      • Offset drift: ±20 µV/°C (typical)
      • Gain error: ±1% (maximum)
      • Gain drift: ±30 ppm/°C (typical)
    • AMC1311B:
      • Offset error: ±1.5 mV (maximum)
      • Offset drift: ±10 µV/°C (maximum)
      • Gain error: ±0.2% (maximum)
      • Gain drift: ±40 ppm/°C (maximum)
    • Nonlinearity: 0.04% (maximum)
  • 3.3-V operation on high-side ( AMC1311B)
  • High CMTI: 100 kV/µs (minimum) ( AMC1311B)
  • Missing high-side supply indication
  • Safety-related certifications:
    • 7000-VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000-VRMS isolation for 1 minute per UL1577
    • Fully specified over the extended industrial temperature range: –40°C to +125°C

The AMC1311 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 5 kVRMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 and supports a working voltage of up to 1500 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 AMC1311 is optimized for connection to high-impedance resistive dividers or any other high-impedance voltage signal source. The excellent DC accuracy and low temperature drift support accurate, isolated voltage sensing and control in closed-loop systems. The integrated missing high-side supply voltage detection feature simplifies system-level design and diagnostics.

The AMC1311 is offered with two performance grade options: the AMC1311B is specified over the extended industrial temperature range of –55°C to +125°C, and the AMC1311 is specified for operation at –40°C to +125°C.

The AMC1311 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 5 kVRMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 and supports a working voltage of up to 1500 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 AMC1311 is optimized for connection to high-impedance resistive dividers or any other high-impedance voltage signal source. The excellent DC accuracy and low temperature drift support accurate, isolated voltage sensing and control in closed-loop systems. The integrated missing high-side supply voltage detection feature simplifies system-level design and diagnostics.

The AMC1311 is offered with two performance grade options: the AMC1311B is specified over the extended industrial temperature range of –55°C to +125°C, and the AMC1311 is specified for operation at –40°C to +125°C.

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重要文件 類型 標題 格式選項 日期
* Data sheet AMC1311x High-Impedance, 2-V Input, Reinforced Isolated Amplifiers datasheet (Rev. C) PDF | HTML 2022年 6月 6日
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. Z) 2026年 1月 8日
Application note Pairing Isolated Amplifiers With SAR AD Converters PDF | HTML 2025年 9月 24日
Certificate CQC Certificate for AMC13xx: Malaysia 2025年 2月 26日
Certificate CQC Certificate for AMC13xx: Taiwan 2025年 2月 26日
Circuit design ±480V Isolated Voltage-Sensing Circuit with Differential Output (Rev. A) PDF | HTML 2024年 6月 21日
White paper Comparing Isolated Amplifiers and Isolated Modulators (Rev. B) PDF | HTML 2024年 6月 4日
E-book An Engineer's Guide to Isolated Signal Chain Solutions PDF | HTML 2024年 5月 23日
White paper 以可靠且經濟實惠的隔離技術解決高電壓設計挑戰 (Rev. C) PDF | HTML 2024年 3月 7日
White paper Understanding failure modes in isolators (Rev. B) PDF | HTML 2024年 1月 29日
Application note Designing a Bootstrap Charge-Pump Power Supply for an Isolated Amplifier PDF | HTML 2023年 9月 25日
Application brief Interfacing a Differential-Output (Isolated) Amp to a Single-Ended Input ADC (Rev. B) PDF | HTML 2023年 6月 2日
Application brief Shunt Resistor Selection for Isolated Data Converters PDF | HTML 2023年 5月 4日
White paper Best in Class Radiated Emissions EMI Performance with Isolated Amplifiers (Rev. A) PDF | HTML 2023年 3月 15日
Certificate UL Certificate of Compliance Vol4 Sec5 E181974 (Rev. A) 2023年 1月 23日
Analog Design Journal Isolated Voltage Sensing in AC Motor Drives PDF | HTML 2022年 6月 8日
Certificate Optical Isolating Devices UL 1577 Certificate of Compliance 2018年 3月 7日
Selection guide Understanding isolation terminology and relevance 2016年 5月 23日

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開發板

AMC1311EVM — AMC1311 評估模組

AMC1311 裝置為高壓隔離放大器,其差動輸出端與輸入介面電路之間透過二氧化矽 (SiO2) 隔離層實現隔離。隔離層提供高達 7000 VPEAK的電隔離。  當與 TLV6001 搭配使用時,此差動輸出可轉換為單端輸出,並能驅動多種類型的類比轉數位轉換器 (ADC)。

使用指南: PDF
TI.com 無法提供
模擬型號

AMC1311 PSpice Model (Rev. A)

SBAM385A.ZIP (5 KB) - PSpice Model
模擬型號

AMC1311 TINA-TI Reference Design (Rev. B)

SBAM366B.ZIP (325 KB) - TINA-TI Reference Design
模擬型號

AMC1311 TINA-TI Spice Model (Rev. A)

SBAM367A.ZIP (14 KB) - TINA-TI Spice Model
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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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI 是有助於評估類比電路功能的設計和模擬環境。這款全功能設計和模擬套件使用 Cadence® 的類比分析引擎。PSpice for TI 包括業界最大的模型庫之一,涵蓋我們的類比和電源產品組合,以及特定類比行為模型,且使用無需支付費用。

PSpice for TI 設計和模擬環境可讓您使用其內建函式庫來模擬複雜的混合訊號設計。在進行佈局和製造之前,建立完整的終端設備設計和解決方案原型,進而縮短上市時間並降低開發成本。 

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