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隔離式 ADC

AMC3336-Q1

現行

具整合式 DC/DC 的車用 ±1-V 輸入、精密電壓感測強化型隔離調變器

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產品規格表

AMC3336-Q1

現行
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產品詳細資料

Device type Voltage sensing Peak-to-peak input voltage range (V) 1V Interface type Serial CMOS Sample rate (max) (Msps) 21 Rating Automotive CMTI (min) (kV/µs) 90 Number of input channels 1 Architecture Delta-Sigma SNR (dB) 84 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 94.05 SFDR (dB) 96 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 1200 Transient isolation voltage (VIOTM) (VPK) 6 Creepage (min) (mm) 8 Clearance (min) (mm) 8
Device type Voltage sensing Peak-to-peak input voltage range (V) 1V Interface type Serial CMOS Sample rate (max) (Msps) 21 Rating Automotive CMTI (min) (kV/µs) 90 Number of input channels 1 Architecture Delta-Sigma SNR (dB) 84 Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 94.05 SFDR (dB) 96 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 4250 Working isolation voltage (VIOWM) (Vrms) 1200 Transient isolation voltage (VIOTM) (VPK) 6 Creepage (min) (mm) 8 Clearance (min) (mm) 8
SO-MOD (DWE) 16 106.09 mm² (10.3 mm × 10.3 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • 3.3-V or 5-V single supply with integrated DC/DC converter
  • ±1-V input voltage range optimized for voltage measurements
  • Input resistance: 1 GΩ (typ)
  • Low DC errors:
    • Offset error: ±0.3 mV (max)
    • Offset drift: ±4 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±40 ppm/°C (max)
  • High CMTI: 90 kV/µs (min)
  • System-level diagnostic features
  • Low EMI: meets CISPR-11 and CISPR-25 standards
  • Safety-related certifications:
    • 6000-VPEAK reinforced isolation per DIN VDE V 0884-11
    • 4250-VRMS isolation for 1 minute per UL1577
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • 3.3-V or 5-V single supply with integrated DC/DC converter
  • ±1-V input voltage range optimized for voltage measurements
  • Input resistance: 1 GΩ (typ)
  • Low DC errors:
    • Offset error: ±0.3 mV (max)
    • Offset drift: ±4 µV/°C (max)
    • Gain error: ±0.2% (max)
    • Gain drift: ±40 ppm/°C (max)
  • High CMTI: 90 kV/µs (min)
  • System-level diagnostic features
  • Low EMI: meets CISPR-11 and CISPR-25 standards
  • Safety-related certifications:
    • 6000-VPEAK reinforced isolation per DIN VDE V 0884-11
    • 4250-VRMS isolation for 1 minute per UL1577

The AMC3336-Q1 is a precision, isolated delta-sigma (ΔΣ) modulator, optimized for high-impedance AC voltage measurements. The fully integrated, isolated DC/DC converter allows single-supply operation from the low-side of the device, which makes the device a unique solution for space-constrained applications. The reinforced capacitive isolation barrier is certified according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1.2 kVRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from hazardous voltages and damage.

The input of the AMC3336-Q1 is optimized for direct connection to a resistor network or other, high-impedance voltage-signal source. The excellent DC accuracy and low temperature drift support accurate voltage measurments over the extended industial temperature range from –40°C to +125°C.

By using a digital filter (such as a sinc3 filter) to decimate the bitstream, the device can achieve 16 bits of resolution with a dynamic range of 85 dB at a data rate of 78 kSPS.

The AMC3336-Q1 is a precision, isolated delta-sigma (ΔΣ) modulator, optimized for high-impedance AC voltage measurements. The fully integrated, isolated DC/DC converter allows single-supply operation from the low-side of the device, which makes the device a unique solution for space-constrained applications. The reinforced capacitive isolation barrier is certified according to VDE V 0884-11 and UL1577 and supports a working voltage of up to 1.2 kVRMS.

The isolation barrier separates parts of the system that operate on different common-mode voltage levels and protects the low-voltage side from hazardous voltages and damage.

The input of the AMC3336-Q1 is optimized for direct connection to a resistor network or other, high-impedance voltage-signal source. The excellent DC accuracy and low temperature drift support accurate voltage measurments over the extended industial temperature range from –40°C to +125°C.

By using a digital filter (such as a sinc3 filter) to decimate the bitstream, the device can achieve 16 bits of resolution with a dynamic range of 85 dB at a data rate of 78 kSPS.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 AMC3336-Q1 High-Precision, ±1-V Input, Reinforced Isolated Delta-Sigma Modulator With Integrated DC/DC Converter datasheet PDF | HTML 2021/4/26
證書 VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. AB) 2026/7/15
白皮書 以可靠且經濟實惠的隔離技術解決高 電壓設計挑戰 PDF | HTML 2026/5/28
應用說明 Isolated Converters CISPR25 Radiated Emissions PDF | HTML 2025/10/13
證書 CQC Certificate for AMC33xx 2025/2/26
白皮書 Comparing Isolated Amplifiers and Isolated Modulators (Rev. B) PDF | HTML 2024/6/4
應用說明 Clock Edge Delay Compensation With Isolated Modulators Digital Interface to MCUs (Rev. A) PDF | HTML 2024/1/12
Application brief Shunt Resistor Selection for Isolated Data Converters PDF | HTML 2023/5/4
應用說明 Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 2023/3/29
Application brief Comparing shunt- and hall-based isolated current-sensing solutions in HEV/EV (Rev. C) PDF | HTML 2023/3/28
證書 UL Certificate of Compliance Vol4 Sec5 E181974 (Rev. A) 2023/1/23
應用說明 Best Practices to Attenuate AMC3301 Family Radiated Emissions EMI (Rev. A) PDF | HTML 2022/9/22
功能安全資訊 AMC3336-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2022/6/14

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開發板

AMC3336EVM — 具整合式 DC/DC 轉換器和高 CMTI 的 AMC3336 評估模組

AMC3336 評估模組 (EVM) 是用於評估 AMC3336 的平台，此平台是具備整合式 DC/DC 轉換器的精密隔離式調變器，可供電給放大器高壓側。AMC3336 是一款 7-kV 強化型隔離式調變器，主要設計用於電流分流測量應用。

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)。

使用指南: PDF | HTML
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SBAR010 — Delta Sigma Modulator Filter Calculator

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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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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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