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隔離式比較器

AMC23C12-Q1

現行

具有可調整閥值的車用快速回應強化型隔離窗型比較器

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產品規格表

AMC23C12-Q1

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 1 Output type Open-drain Propagation delay time (µs) 0.29 CMTI (min) (kV/µs) 55 Rating Automotive Operating temperature range (°C) -40 to 125 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Transient isolation voltage (VIOTM) (VPK) 7070 Working isolation voltage (VIOWM) (Vrms) 750 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5
Number of channels 1 Output type Open-drain Propagation delay time (µs) 0.29 CMTI (min) (kV/µs) 55 Rating Automotive Operating temperature range (°C) -40 to 125 Isolation rating Reinforced Withstand isolation voltage (VISO) (Vrms) 5000 Transient isolation voltage (VIOTM) (VPK) 7070 Working isolation voltage (VIOWM) (Vrms) 750 Creepage (min) (mm) 8.5 Clearance (min) (mm) 8.5
SOIC (DWV) 8 67.275 mm² 5.85 x 11.5
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Wide high-side supply range: 3V to 25V
  • Low-side supply range: 2.7V to 5.5V
  • Adjustable threshold:
    • Window-comparator mode: ±20mV to ±300mV
    • Positive-comparator mode: 600mV to 2.7V
  • Reference current for threshold adjustment: 100µA, ±1%
  • Trip threshold error: ±1% (max) at 250mV
  • Open-drain output with optional latch mode
  • Propagation delay: 280ns (typ)
  • High CMTI: 55V/ns (min)
  • Safety-related certifications:
    • 7000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000VRMS isolation for 1 minute per UL1577
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Wide high-side supply range: 3V to 25V
  • Low-side supply range: 2.7V to 5.5V
  • Adjustable threshold:
    • Window-comparator mode: ±20mV to ±300mV
    • Positive-comparator mode: 600mV to 2.7V
  • Reference current for threshold adjustment: 100µA, ±1%
  • Trip threshold error: ±1% (max) at 250mV
  • Open-drain output with optional latch mode
  • Propagation delay: 280ns (typ)
  • High CMTI: 55V/ns (min)
  • Safety-related certifications:
    • 7000VPK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5000VRMS isolation for 1 minute per UL1577

The AMC23C12-Q1 is an isolated window comparator with a short response time. The open-drain output is separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 5kVRMS according to VDE 0884-17 and UL1577, and supports a working voltage of up to 1kVRMS.

The comparison window is centered around 0V, meaning that the comparator trips if the absolute value of the input voltage exceeds the trip threshold value. The trip threshold is adjustable from 20mV to 300mV through a single external resistor. Therefore, the comparison window ranges from ±20mV to ±300mV. When the voltage on the REF pin is greater than 550mV, the negative comparator is disabled and only the positive comparator is functional. The reference voltage in this mode can be as high as 2.7V for monitoring voltage supplies.

In transparent mode (LATCH input tied to GND2) the output follows the input state. In latch mode, the output is cleared on the falling edge of the latch input signal.

The AMC23C12-Q1 is available in an 8-pin, wide-body SOIC package and is specified over the full automotive temperature range of –40°C to +125°C.

The AMC23C12-Q1 is an isolated window comparator with a short response time. The open-drain output is separated from the input circuitry by an isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 5kVRMS according to VDE 0884-17 and UL1577, and supports a working voltage of up to 1kVRMS.

The comparison window is centered around 0V, meaning that the comparator trips if the absolute value of the input voltage exceeds the trip threshold value. The trip threshold is adjustable from 20mV to 300mV through a single external resistor. Therefore, the comparison window ranges from ±20mV to ±300mV. When the voltage on the REF pin is greater than 550mV, the negative comparator is disabled and only the positive comparator is functional. The reference voltage in this mode can be as high as 2.7V for monitoring voltage supplies.

In transparent mode (LATCH input tied to GND2) the output follows the input state. In latch mode, the output is cleared on the falling edge of the latch input signal.

The AMC23C12-Q1 is available in an 8-pin, wide-body SOIC package and is specified over the full automotive temperature range of –40°C to +125°C.
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類型 標題 日期
* Data sheet AMC23C12-Q1 Automotive, Fast Response, Reinforced Isolated Window Comparator With Adjustable Threshold and Latch Function datasheet (Rev. B) PDF | HTML 2024年 12月 12日
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. W) 2025年 3月 4日
EVM User's guide EVM User's Guide: AMC-AMP-50A-EVM (Rev. A) PDF | HTML 2025年 1月 17日
Application brief Utilizing AMC3311 to Power AMC23C11 for Isolated Sensing and Fault Detection PDF | HTML 2023年 11月 9日
Technical article Addressing the growing needs of fault detection in high-power systems PDF | HTML 2022年 4月 1日
Circuit design Isolated Overcurrent Protection Circuit PDF | HTML 2022年 3月 24日
Analog Design Journal Using isolated comparators for fault detection in electric motor drives PDF | HTML 2022年 3月 14日

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開發板

AMC23C12EVM — 適用於快速回應強化型隔離窗型比較器的 AMC23C12 評估模組

AMC23C12 評估模組 (EVM) 是用於評估 AMC23C12 的平台，AMC23C12 則是具有短回應時間和閂鎖功能的隔離窗型比較器。比較器輸出由經認證的隔離層與輸入電路分離，提供高達 5 kVRMS 的強化電氣隔離，並支援高達 1.5 kVRMS 的工作電壓。

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