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Product Overview
The AMC1311DWVR from Texas Instruments is a precision, isolated amplifier with a differential input voltage range of ±2V and a fixed gain of 1. It utilizes a capacitive isolation barrier to provide galvanic isolation up to 3kVRMS. The device operates from a single 3.3V or 5V supply on the high-side and low-side, making it ideal for current sensing and voltage sensing in motor drives, solar inverters, and other industrial applications. The AMC1311DWVR is offered in a compact 8-SOIC package.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
±2V (differential) |
| Gain |
1 V/V (fixed) |
| Offset Voltage |
±3.7 µV (max) |
| Gain Error |
±0.3% (max) |
| Nonlinearity |
±0.01% (max) |
| Isolation Voltage |
3000 VRMS (1 min) |
| Bandwidth |
275 kHz |
| Supply Voltage (High-side) |
3.0V to 5.5V |
| Supply Voltage (Low-side) |
3.0V to 5.5V |
| Operating Temperature |
-40°C to +125°C |
| Package |
8-SOIC |
Key Features
- High precision: ±3.7 µV offset, ±0.3% gain error
- Low nonlinearity: ±0.01%
- Galvanic isolation: 3kVRMS
- Wide input range: ±2V differential
- Fixed gain of 1
- Single supply operation: 3.3V or 5V
- Small 8-SOIC package
- Safety certifications: UL1577, IEC60747-5-2
Target Applications
- Motor drives (e.g., servo drives for industrial robots)
- Solar inverters (e.g., string inverters for residential solar)
- Uninterruptible power supplies (UPS)
- Battery management systems (BMS) for electric vehicles
- 5G base station power supplies
- Automotive on-board chargers
- Industrial instrumentation
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
AMC1311DWVR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
AMC1311DWVR 是德州儀器 (TI) 推出的一款精密隔離放大器,差分輸入電壓範圍為 ±2V,固定增益為 1。它採用電容隔離屏障,提供高達 3kVRMS 的電流隔離。該器件可在高壓側和低壓側使用單一 3.3V 或 5V 電源供電,非常適合用於電機驅動、太陽能逆變器和其他工業應用中的電流檢測和電壓檢測。AMC1311DWVR 採用緊湊的 8-SOIC 封裝。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
±2V (差分) |
| 增益 |
1 V/V (固定) |
| 失調電壓 |
±3.7 µV (最大值) |
| 增益誤差 |
±0.3% (最大值) |
| 非線性度 |
±0.01% (最大值) |
| 隔離電壓 |
3000 VRMS (1分鐘) |
| 帶寬 |
275 kHz |
| 高壓側電源電壓 |
3.0V 至 5.5V |
| 低壓側電源電壓 |
3.0V 至 5.5V |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
8-SOIC |
核心特性
- 高精度:±3.7 µV 失調電壓,±0.3% 增益誤差
- 低非線性度:±0.01%
- 電流隔離:3kVRMS
- 寬輸入範圍:±2V 差分
- 固定增益為 1
- 單電源供電:3.3V 或 5V
- 小型 8-SOIC 封裝
- 安全認證:UL1577、IEC60747-5-2
典型應用場景
- 電機驅動(例如工業機器人的伺服驅動)
- 太陽能逆變器(例如家用太陽能組串逆變器)
- 不間斷電源 (UPS)
- 電動汽車電池管理系統 (BMS)
- 5G 基站電源
- 車載充電器
- 工業儀器儀表
環球供應鏈與批發合作夥伴方案
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我們的核心優勢包括:
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