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.
AMC0230R-Q1
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, TA
- Linear input voltage range: ±1V
- High input impedance: 2.4GΩ (typical)
- Supply voltage range:
- High-side (VDD1): 3.0V to 5.5V
- Low-side (VDD2): 3.0V to 5.5V
- Single-ended output, ratiometric to VREFIN
- Reference Input: 2.7V to 5.5V
- Low DC errors:
- Offset error: ±1.5mV (maximum)
- Offset drift: ±20µV/°C (maximum)
- Gain error: ±0.25% (maximum)
- Gain drift: ±40ppm/°C (maximum)
- Nonlinearity: ±0.025% (maximum)
- High CMTI: 150V/ns (minimum)
- Low EMI: Meets CISPR-11 and CISPR-25 standards
- Isolation ratings:
- AMC0230R-Q1: Basic isolation
- AMC0330R-Q1: Reinforced isolation
- Safety-related certifications:
- DIN EN IEC 60747-17 (VDE 0884-17)
- UL1577
The AMC0x30R-Q1 is a precision, galvanically isolated amplifier with a ±1V, high-impedance input and single-ended ratiometric output. The high-impedance input is optimized for connection to a high-impedance resistive divider or other voltage signal source with high output resistance.
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. This barrier is certified to provide reinforced isolation up to 5kVRMS (DWV package) and basic isolation up to 3kVRMS (D package) (60s).
The AMC0x30R-Q1 outputs a single-ended signal proportional to the input voltage. The full-scale output is set by the voltage applied to the REFIN pin. The output of the AMC0x30R-Q1 is designed to connect directly to the input of an ADC. Connect REFIN to the same reference voltage as the ADC to match the dynamic input voltage range of the ADC.
The AMC0x30R-Q1 comes in 8-pin, wide- and narrow-body SOIC packages, 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 3 | 重要文件 | 類型 | 標題 | 格式選項 | 日期 |
|---|---|---|---|---|
| * | Data sheet | AMC0x30R-Q1 Automotive, Precision, ±1V Input, Basic and Reinforced Isolated Amplifiers with Single-Ended, Ratiometric Output datasheet (Rev. A) | PDF | HTML | 2025年 7月 28日 |
| Application note | Pairing Isolated Amplifiers With SAR AD Converters | PDF | HTML | 2025年 9月 24日 | |
| Application note | System Benefits of Ratiometric Output Isolated Amplifiers | PDF | HTML | 2025年 9月 4日 |
設計與開發
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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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| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
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- 材料內容
- 認證摘要
- 進行中的可靠性監測
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