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传感与信号调节技术

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智能传感和信号调节技术对于确保系统良好运行至关重要。准确地监测电压、电流和温度等关键参数，可以让系统妥当应对可能造成损害的事件。

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Featured Products	WPN	Description
Digital and Optical Isolation	NCID9XXX	High Speed Digital Isolator
Digital and Optical Isolation	FODXXXX	Logic Output Optocoupler
Op-Amp and Comparator (Voltage Sense)	NCS2333	Precision Operational Amplifier, Low Power, Zero-Drift, 30 µV Offset
	NCS4333	Operational Amplifier, 30 µV Offset, 0.07 µV/°C, Low Power, Zero-Drift
	NCS333	Low Power, Zero-Drift Operational Amplifier with 10 µV Offset
	NCS21911/2/4	Precision Operational Amplifier, 2 MHz Bandwidth, Low Noise, Zero-Drift, 25 µV Offset
	NCS2250	Comparator, High Speed, 50 ns, Low Voltage, Rail-to-Rail, Push-Pull
ADC	NCD98010	12-Bit Low Power SAR ADC Unsigned Output
Current Sense Amplifier	NCS211R	Current Sense Amplifier, 26V, Low-/High-Side Voltage Out, Bidirectional Current Shunt Monitor
Current Sense Amplifier	NCS214R	Current Sense Amplifier, 26V, Low-/High-Side Voltage Out, Bidirectional Current Shunt Monitor
Temperature Sense	CAT34TS00VP2GT4	1.8 V Digital Temperature Sensor
Temperature Sense	N34TS04MT3ETG	EEPROM Digital Output Temperature Sensor with On-board SPD
Voltage Reference	TL431	Voltage Reference, Programmable Precision, Shunt Regulator

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不同隔离技术的对比

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属性	光耦合器	芯片内磁性	芯片内电容性	Digi-Max™ 芯片外电容性
隔离材料	环氧/硅胶	聚酰亚胺	SiO₂ 或等效物	陶瓷基板/环氧树脂
信号耦合	光学（LED+二极管）	磁场	电场	电场
不同温度和时间的性能	不同	稳定	Consistent	稳定
寿命	10 年以上	20 年以上	20 年以上	20 年以上
速度	小于 25MBit/s	100 MBit/s 以上	100 MBit/s 以上	50MBit/s
隔离层厚度（DTI）	大于400µm	约 20 µm	约 20 µm	大于500 µm
符合EN60950的DTI大于0.4mm要求	是	否	否	是
共模瞬态抗干扰能力（CMTI）	约 25 kV/µs	大于100 kV/µs	大于100 kV/µs	大于100 kV/µs
EMI - 敏感性	无问题-太慢	设计技术	信号电平依赖	信号电平依赖
EMC - 辐射	无问题（光传输）	设计技术	设计技术	设计技术
结温	高达125°C	宽范围 (150°C)	宽范围 (150°C)	宽范围 (150°C)
标准	UL1577	UL1577	UL1577	UL1577
标准	IEC60747-5-5	VDE0884-17	VDE0884-17	VDE0884-17
内部信号传输的调制方法	无需调制	开关键控	开关键控	开关键控

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