Si88x4x Quad Digital Isolators

Skyworks Solutions Inc. Si88x4x Quad Digital Isolators combine proven digital isolator technology with an on-chip isolated DC-DC converter. This feature provides regulated output voltages of 3.3 or 5.0V (or >5V with external components) at peak output power levels of up to 2W. These devices offer up to four digital channels. The DC-DC converter has a user-adjustable frequency for minimizing emissions, a soft-start function for safety, a shutdown option, and loop compensation. The ultra-low-power digital isolation channels offer substantial data rates, propagation delay, size, and reliability advantages over legacy isolation technologies. Data rates up to 100Mbps are supported, and all of these Skyworks devices achieve propagation delays of only 23ns.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Mounting Style
Package/Case
Number of Channels
Polarity
Data Rate
Isolation Voltage
Isolation Type
Supply Voltage - Max
Supply Voltage - Min
Operating Supply Current
Propagation Delay Time
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
15In Stock
Min.: 1
Mult.: 1

Si88240 SMD/SMT SOIC-Wide-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
102Expected 7/28/2026
Min.: 1
Mult.: 1

Si88241 SMD/SMT SOIC-Wide-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88240 SMD/SMT SOIC-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 10.5 mA 18 ns - 40 C + 125 C Reel
Skyworks Solutions, Inc. Digital Isolators Non-Stocked Lead-Time 10 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88241 SMD/SMT SOIC-20 4 Channel Unidirectional 100 Mb/s 5000 Vrms Capacitive Coupling 5.5 V 3 V 12 mA 18 ns - 40 C + 125 C AEC-Q100 Reel
Skyworks Solutions, Inc. Digital Isolators
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88242 SMD/SMT SOIC-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 10.8 mA 18 ns - 40 C + 125 C Reel
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

Si88243 SMD/SMT SOIC-Wide-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88243 SMD/SMT 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling Reel
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

Si88440 SMD/SMT SOIC-Wide-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88440 SMD/SMT SOIC-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 13.3 mA 18 ns - 40 C + 125 C Reel
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

Si88441 SMD/SMT SOIC-Wide-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88441 SMD/SMT SOIC-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 12 mA 18 ns - 40 C + 125 C Reel
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

Si88442 SMD/SMT SOIC-Wide-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88442 SMD/SMT SOIC-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 10.8 mA 18 ns - 40 C + 125 C Reel
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Lead-Time 24 Weeks
Min.: 1
Mult.: 1

Si88240 SMD/SMT SOIC-Wide-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88240 SMD/SMT SOIC-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 10.5 mA 18 ns - 40 C + 125 C Reel
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 1
Mult.: 1

Si88241 SMD/SMT SOIC-Wide-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88241 SMD/SMT SOIC-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 12 mA 18 ns - 40 C + 125 C Reel
Skyworks Solutions, Inc. Digital Isolators
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88241 SMD/SMT SOIC-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 12 mA 18 ns - 40 C + 125 C Reel
Skyworks Solutions, Inc. Digital Isolators Automotive 5 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Non-Stocked Lead-Time 26 Weeks
Min.: 1
Mult.: 1

Si88241 SMD/SMT SOIC-20 4 Channel Unidirectional 100 Mb/s 5000 Vrms Capacitive Coupling 5.5 V 3 V 12 mA 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Lead-Time 24 Weeks
Min.: 1
Mult.: 1

Si88242 SMD/SMT SOIC-Wide-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Lead-Time 24 Weeks
Min.: 1
Mult.: 1

Si88242 SMD/SMT SOIC-Wide-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88242 SMD/SMT SOIC-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 10.8 mA 18 ns - 40 C + 125 C Reel
Skyworks Solutions, Inc. Digital Isolators 3.75 kV 4-channel digital isolator with integrated dc-dc
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 1
Mult.: 1

Si88243 SMD/SMT SOIC-Wide-20 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C AEC-Q100 Tube
Skyworks Solutions, Inc. Digital Isolators
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 1.250
Mult.: 1.250
: 1.250

Si88243 SMD/SMT 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling Reel
Skyworks Solutions, Inc. SI88440BC-IS
Skyworks Solutions, Inc. Digital Isolators
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

Si88440 SMD/SMT 4 Channel Unidirectional 100 Mb/s 3750 Vrms Capacitive Coupling 5.5 V 3 V 18 ns - 40 C + 125 C Tube