計算工具
AMC1411
- 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
- Fully specified over the extended industrial temperature range: –40°C to +125°C
The AMC1411 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 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 voltage sensing in DC/DC converters, solar or wind turbine inverters, AC motor drives, or other applications that must operate at high voltages, high altitudes, or in environments with high pollution degrees.
The AMC1411 is specified over the extended industrial temperature range from –40°C to +125°C and supports operation down to –55°C.
技術文件
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檢視所有 9 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | AMC1411 High-Impedance, 2-V Input, Reinforced Isolated Amplifier in a 15-mm Stretched SOIC Package datasheet (Rev. A) | PDF | HTML | 2021年 9月 30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 2月 15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 | |
| Certificate | UL Certificate of Compliance Vol4 Sec13 - E181974 | 2022年 5月 20日 | ||
| Certificate | AMC1411EVM EU RoHS Declaration of Conformity (DoC) (Rev. A) | 2021年 10月 5日 | ||
| Application brief | TI's First Isolated Amplifiers With Ultra-Wide Creepage and Clearance | PDF | HTML | 2021年 8月 13日 | |
| White paper | Comparing isolated amplifiers and isolated modulators (Rev. A) | 2019年 2月 28日 | ||
| Circuit design | ±480-V isolated voltage-sensing circuit with differential output | 2019年 1月 24日 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
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)。
計算工具
SBAR020 — Isolated Amplifier Current Sensing Excel Calculator
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| 封裝 | 引腳 | 下載 |
|---|---|---|
| SOIC (DWL) | 8 | 檢視選項 |
訂購與品質
內含資訊：
- RoHS
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- MTBF/FIT 估算值
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