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.
AMC0386-Q1
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to 125°C, TA
- Integrated, high-voltage resistive divider for direct AC or DC voltage sensing without external resistors
- Supply voltage range:
- High-side (AVDD): 3.0V to 5.5V
- Low-side (DVDD): 2.7V to 5.5V
- Low DC errors:
- Offset error: ±0.9mV (maximum)
- Offset drift: ±7µV/°C (maximum)
- Attenuation error: ±0.25% (maximum)
- Attenuation drift: ±30ppm/°C (maximum)
- High CMTI: 150V/ns (minimum)
- Missing high-side supply detection
- Low EMI: Meets CISPR-11 and CISPR-25 limits
- Available input options:
- AMC0386M06-Q1: ±600V, 10MΩ
- AMC0386M06-Q1: ±1000V, 12.5MΩ
- Safety-related certifications:
- 7000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 5000VRMS isolation for 1 minute per UL1577
The AMC0386-Q1 is a precision, galvanically isolated delta-sigma (ΔΣ) modulator with a high-voltage, high impedance input, and external clock. The input is designed to connect directly to a high-voltage signal source.
The isolation barrier separates parts of the system that operate on different common-mode voltage levels. The isolation barrier is highly resistant to magnetic interference and is certified to provide reinforced isolation of up to 5kVRMS (60s).
The output bitstream of the AMC0386-Q1 is synchronized to the internally generated 10MHz clock. Combined with a sinc3, OSR 256 filter, the device achieves 14.8 effective bits of resolution or 89dB of dynamic range, at a 39kSPS sample rate.
With the integrated resistive divider, excellent DC accuracy, low temperature drift and high stability, the AMC0386-Q1 achieves better than 1% accuracy over lifetime and temperature without system-level calibration.
The AMC0386-Q1 is available in a 15-pin, 0.65mm pitch SSOP package and is fully specified over the temperature range from –40°C to +125°C.
技術文件
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檢視所有 7 | 重要文件 | 類型 | 標題 | 格式選項 | 日期 |
|---|---|---|---|---|
| * | Data sheet | AMC0386-Q1 Automotive, Precision, High-Voltage Input, Reinforced Isolated Delta-Sigma Modulator With External Clock datasheet (Rev. A) | PDF | HTML | 2025年 9月 5日 |
| Application note | AMC0386 Output Histograms in HEV/EV Traction Inverter Voltage Sensing Application | PDF | HTML | 2025年 11月 5日 | |
| White paper | A Comparative Analysis of Insulation Monitoring Device (IMD) Architectures in Bidirectional Onboard Chargers | PDF | HTML | 2025年 10月 21日 | |
| Application note | Isolated Converters CISPR25 Radiated Emissions | PDF | HTML | 2025年 10月 13日 | |
| Application note | Increased Accuracy and Performance with Integrated High Voltage Resistor Isolated Amplifiers and Modulators (Rev. A) | PDF | HTML | 2024年 12月 2日 | |
| E-book | An Engineer's Guide to Isolated Signal Chain Solutions | PDF | HTML | 2024年 5月 23日 | |
| Application note | Clock Edge Delay Compensation With Isolated Modulators Digital Interface to MCUs (Rev. A) | PDF | HTML | 2024年 1月 12日 |
設計與開發
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開發板
AMC038XEVM — AMC038x 評估模組
AMC038x 評估模組 (EVM) 與其中一款 AMC038x 裝置結合，展示了高精密度、高電壓感測設計。此評估模組最高可測量 1600V 的輸入電壓，無需外部電壓分壓電阻器。此設計也包括分離式電源解決方案，可從低壓側電源產生高壓側電源。
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.
支援產品和硬體
參考設計
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Design guide: PDF
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SSOP (DFX) | 15 | Ultra Librarian |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中的可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。