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I2C isolators HopeRF Micro-electronics CMT8100N with wide supply voltage and seamless level translation

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I2C isolators HopeRF Micro-electronics CMT8100N with wide supply voltage and seamless level translation

CMTI(kV/us) : 150kV/us

Voltage - Supply : 2.5V~5.5V;2.5V~5.5V

Propagation Delay(tpd) : 72.34ns

Operating Temperature : -40℃~125℃

Description : SOIC-8-NB Digital Isolators RoHS

Mfr. Part # : CMT8100N

Model Number : CMT8100N

Package : SOIC-8-NB

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Product Overview

The CMT8100/CMT8101 series are highly reliable, bidirectional I2C isolators compatible with AEC-Q100 and UL1577 safety standards. They offer high dielectric withstand voltages (3.75 kVrms, 5 kVrms), low power consumption, high electromagnetic interference (EMI) immunity, and low radiation. With an I2C clock speed of up to 2 MHz and a common-mode transient immunity (CMTI) of up to 150 kV/us, these devices provide robust performance. Their wide supply voltage range allows for direct connection to most digital interfaces, enabling seamless level translation and enhanced system reliability and stability through high system-level EMC performance.

Product Attributes

Brand: HopeRF
Certifications: UL, CQC, CSA, DIN VDE V 0884-11, AEC-Q100, RoHS
Application Scenarios: Ethernet Power, Isolated I2C/SMBus/PMBus Interfaces, I2C Level Translation, Battery Management

Technical Specifications

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
General Features
Isolation Voltage			3750 / 5000			Vrms
I2C Clock Rate					2	MHz
Supply Voltage	VDD1, VDD2		2.5		5.5	V
CMTI				150		kV/us
Chip-level ESD (HBM)				8		kV
Isolation Barrier Lifetime				> 40		Years
Low Power Consumption		1 Mbps		1.5		mA/ch
Low Propagation Delay					< 15	ns
Operating Temperature	Topr		-40		125
Electrical Characteristics (Typical at VDD1=5V, VDD2=5V, Ta=25 unless otherwise noted)
Power-On Reset (POR) Threshold	VDDPOR			2.2		V
POR Hysteresis	VDD HYS			0.1		V
POR Start-up Time	trbs			10		sec
Logic Level Input Threshold (Side 1)	VILT1	Rising edge		400		mV
Logic Level Input Threshold (Side 1)	VIHT1			600		mV
Logic Level Hysteresis (Side 1)	VIT_HYS1			100		mV
Output Low Voltage (Side 1)	VOL1	IOL 4mA, RPULL UP=1K		650	800	mV
Logic Level Input Threshold (Side 2)	VILT2	Rising edge		1.6		V
Logic Level Hysteresis (Side 2)	VIT_HYS2			0.4		V
Input High Voltage (Side 2)	VIH2			2.0		V
Input Low Voltage (Side 2)	VIL2			0.8		V
Output Low Voltage (Side 2)	VOL	IOL 30mA			0.5	V
Power Supply Current (5V Supply, Typical at VDD1=5V, VDD2=5V, Ta=25 unless otherwise noted)
CMT8100 Supply Current (Input=0V)	IDD1(Q0)			4.89		mA
CMT8100 Supply Current (Input=0V)	IDD2(Q0)			3.99		mA
CMT8100 Supply Current (Input=VDDI)	IDD1(Q1)			2.56		mA
CMT8100 Supply Current (Input=VDDI)	IDD2(Q1)			1.97		mA
CMT8100 Supply Current (2MHz, CL=15pF)	IDD1(2M)			3.72		mA
CMT8100 Supply Current (2MHz, CL=15pF)	IDD2(2M)			2.64		mA
CMT8101 Supply Current (Input=0V)	IDD1			4.19		mA
CMT8101 Supply Current (Input=0V)	IDD2			2.94		mA
CMT8101 Supply Current (Input=VDDI)	IDD1			1.97		mA
CMT8101 Supply Current (Input=VDDI)	IDD2			1.92		mA
CMT8101 Supply Current (2MHz, CL=15pF)	IDD1			2.63		mA
CMT8101 Supply Current (2MHz, CL=15pF)	IDD2			2.37		mA
Propagation Delay (tPLH12)		R1=1500, R2=500, no load		46.66		ns
Propagation Delay (tPHL12)		R1=1500, R2=500, no load		66.66		ns
Propagation Delay (tPLH21)		R1=1500, R2=500, no load		38.34		ns
Propagation Delay (tPHL21)		R1=1500, R2=500, no load		72.34		ns
Pulse Width Distortion (PWD12)		\|t PHL12 t PLH12 \|		34		ns
Pulse Width Distortion (PWD21)		\|t PHL21 t PLH21 \|		20		ns
Fall Time (tf1)		CL = 30pF		17.1		ns
Fall Time (tf2)		CL = 300pF		26.2		ns

2508011705_HopeRF-Micro-electronics-CMT8100N_C32713216.pdf

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