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Quad channel digital isolator SKYWORKS SI8641BA-B-IU with Schmitt trigger inputs and fail safe modes

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Quad channel digital isolator SKYWORKS SI8641BA-B-IU with Schmitt trigger inputs and fail safe modes

CMTI(kV/us) : 50kV/us

Propagation Delay(tpd) : 8ns

Voltage - Supply : 2.375V~5.5V;2.375V~5.5V

Default Output : Low Level

Number of Forward Channels : 3

Number of Reverse Channels : 1

Operating Temperature : -40℃~+125℃

Description : QSOP-16 Digital Isolators RoHS

Mfr. Part # : SI8641BA-B-IU

Model Number : SI8641BA-B-IU

Package : QSOP-16

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Product Overview

Skyworks' Si864x family of ultra-low-power, quad-channel digital isolators offer superior data rate, propagation delay, power consumption, size, and reliability compared to traditional isolation technologies. These CMOS devices maintain stable operating parameters across wide temperature ranges and throughout their service life, simplifying design and ensuring uniform performance. Featuring Schmitt trigger inputs for high noise immunity and requiring only VDD bypass capacitors, they support data rates up to 150 Mbps with propagation delays under 10 ns. Enable inputs allow for single-point control of output drive, and selectable fail-safe modes control the default output state during power loss. Available with isolation ratings of 1.0, 2.5, 3.75, and 5 kV, and certified by UL, CSA, VDE, and CQC for ratings above 1 kV. Reinforced insulation up to 5 kVRMS is supported in wide-body packages. Automotive Grade is available for select part numbers, manufactured using automotive-specific processes for enhanced robustness and low defectivity.

Product Attributes

Brand: Skyworks
Certifications: UL, CSA, VDE, CQC, IEC 60950-1, 62368-1, 60601-1, GB4943.1, VDE 0884-10, AEC-Q100
Material: CMOS
Compliance: RoHS-compliant
Availability: Automotive Grade (AEC-Q100 qualified), Industrial Grade

Technical Specifications

Ordering Part Number	Automotive OPN	Number of Inputs VDD1 Side	Number of Inputs VDD2 Side	Max Data Rate (Mbps)	Default Output State	Isolation Rating (kV)	Package
Si8640BA-B-IU	Si8640BA-AU	4	0	150	Low	1.0	QSOP-16
Si8640BB-B-IU	Si8640BB-AU	4	0	150	Low	2.5	QSOP-16
Si8640EB-B-IU	Si8640EB-AU	4	0	150	High	2.5	QSOP-16
Si8641BA-B-IU	Si8641BA-AU	3	1	150	Low	1.0	QSOP-16
Si8641BB-B-IU	Si8641BB-AU	3	1	150	Low	2.5	QSOP-16
Si8641EB-B-IU	Si8641EB-AU	3	1	150	High	2.5	QSOP-16
Si8642BA-B-IU	Si8642BA-AU	2	2	150	Low	1.0	QSOP-16
Si8642BB-B-IU	Si8642BB-AU	2	2	150	Low	2.5	QSOP-16
Si8642EA-B-IU	Si8642EA-AU	2	2	150	High	1.0	QSOP-16
Si8642EB-B-IU	Si8642EB-AU	2	2	150	High	2.5	QSOP-16
Si8645BA-B-IU	Si8645BA-AU	4	0	150	Low	1.0	QSOP-16
Si8645BB-B-IU	Si8645BB-AU	4	0	150	Low	2.5	QSOP-16
Si8640BB-B-IS1	Si8640BB-AS1	4	0	150	Low	2.5	NB SOIC-16
Si8640BB-B-IS	Si8640BB-AS	4	0	150	Low	2.5	WB SOIC-16
Si8640BC-B-IS1	Si8640BC-AS1	4	0	150	Low	3.75	NB SOIC-16
Si8640BD-B-IS2	Si8640BD-AS2	4	0	150	Low	5.0	WB SOIC-16 (8 mm creepage)
Si8640BD-B-IS	Si8640BD-AS	4	0	150	Low	5.0	WB SOIC-16
Si8640EC-B-IS1	Si8640EC-AS1	4	0	150	High	3.75	NB SOIC-16
Si8640ED-B-IS2	Si8640ED-AS2	4	0	150	High	5.0	WB SOIC-16 (8 mm creepage)
Si8640ED-B-IS	Si8640ED-AS	4	0	150	High	5.0	WB SOIC-16
Si8641BB-B-IS1	Si8641BB-AS1	3	1	150	Low	2.5	NB SOIC-16
Si8641BB-B-IS	Si8641BB-AS	3	1	150	Low	2.5	WB SOIC-16
Si8641BC-B-IS1	Si8641BC-AS1	3	1	150	Low	3.75	NB SOIC-16
Si8641BD-B-IS2	Si8641BD-AS2	3	1	150	Low	5.0	WB SOIC-16 (8 mm creepage)
Si8641BD-B-IS	Si8641BD-AS	3	1	150	Low	5.0	WB SOIC-16
Si8641EC-B-IS1	Si8641EC-AS1	3	1	150	High	3.75	NB SOIC-16
Si8641ED-B-IS2	Si8641ED-AS2	3	1	150	High	5.0	WB SOIC-16 (8 mm creepage)
Si8641ED-B-IS	Si8641ED-AS	3	1	150	High	5.0	WB SOIC-16
Si8642BB-B-IS1	Si8642BB-AS1	2	2	150	Low	2.5	NB SOIC-16
Si8642BB-B-IS	Si8642BB-AS	2	2	150	Low	2.5	WB SOIC-16
Si8642BC-B-IS1	Si8642BC-AS1	2	2	150	Low	3.75	NB SOIC-16
Si8642BD-B-IS2	Si8642BD-AS2	2	2	150	Low	5.0	WB SOIC-16 (8 mm creepage)
Si8642BD-B-IS	Si8642BD-AS	2	2	150	Low	5.0	WB SOIC-16
Si8642EC-B-IS1	Si8642EC-AS1	2	2	150	High	3.75	NB SOIC-16
Si8642ED-B-IS2	Si8642ED-AS2	2	2	150	High	5.0	WB SOIC-16 (8 mm creepage)
Si8642ED-B-IS	Si8642ED-AS	2	2	150	High	5.0	WB SOIC-16
Si8645BB-B-IS1	Si8645BB-AS1	4	0	150	Low	2.5	NB SOIC-16
Si8645BB-B-IS	Si8645BB-AS	4	0	150	Low	2.5	WB SOIC-16
Si8645BC-B-IS1	Si8645BC-AS1	4	0	150	Low	3.75	NB SOIC-16
Si8645BD-B-IS	Si8645BD-AS	4	0	150	Low	5.0	WB SOIC-16
Si8640BT-IS	Si8640BT-AS	4	0	150	Low	5.0	WB SOIC-16
Si8640ET-IS	Si8640ET-AS	4	0	150	High	5.0	WB SOIC-16
Si8641BT-IS	Si8641BT-AS	3	1	150	Low	5.0	WB SOIC-16
Si8641ET-IS	Si8641ET-AS	3	1	150	High	5.0	WB SOIC-16
Si8642BT-IS	Si8642BT-AS	2	2	150	Low	5.0	WB SOIC-16
Si8642ET-IS	Si8642ET-AS	2	2	150	High	5.0	WB SOIC-16
Si8645BT-IS	Si8645BT-AS	4	0	150	Low	5.0	WB SOIC-16
Si8645ET-IS	Si8645ET-AS	4	0	150	High	5.0	WB SOIC-16

2410121839_SKYWORKS-SI8641BA-B-IU_C7363500.pdf

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