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Si894x Isolated Delta-Sigma Modulators

Skyworks Solutions Inc. Si894x Isolated Delta-Sigma Modulators are galvanically isolated modulators that output a digital signal proportional to the voltage level at the input. These delta-sigma modulators are designed for low-voltage and differential signals. This is ideal for connection to low-resistance current shunt measurement resistors. The Si8941A/46A/47A modulators feature a specified full-scale input range of ±62.5mV, whereas the Si8941B/46B/47B devices feature a specified full-scale input range of ±250mV. This allows the user to choose low-ohmic resistance value sense resistors to minimize system power loss.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Sensing Method	Supply Voltage - Max	Supply Voltage - Min	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Packaging
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8941BD-IS4R Skyworks Solutions, Inc. 1: $6.699 1.238In Stock	Mfr. Part # SI8941BD-IS4R Mouser Part # 634-SI8941BDIS4R	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	1.238In Stock	Cut Tape $6.699 $5.104 $4.705 $4.261 Reel $3.874 View $4.056 $3.931 $3.794	Min.: 1 Mult.: 1 : 1.250	Current Monitors	High or Low Side	5.5 V	3 V	6.9 mA	- 40 C	+ 125 C	SMD/SMT	Reel, Cut Tape
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8941AB-IS Skyworks Solutions, Inc. 1: $6.938 91In Stock	Mfr. Part # SI8941AB-IS Mouser Part # 634-SI8941ABIS	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	91In Stock	$6.938 $5.320 $4.557 $4.375 View $4.238 $4.113 $4.044 $3.965	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.9 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8941AD-IS4 Skyworks Solutions, Inc. 1: $7.291 70In Stock	Mfr. Part # SI8941AD-IS4 Mouser Part # 634-SI8941ADIS4	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	70In Stock	$7.291 $5.594 $4.842 $4.637 View $4.443 $4.329 $4.249 $4.170	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.9 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8941BB-IS Skyworks Solutions, Inc. 1: $6.574 343In Stock 96Expected 9/2/2027	Mfr. Part # SI8941BB-IS Mouser Part # 634-SI8941BBIS	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	343In Stock 96Expected 9/2/2027	$6.574 $5.024 $4.409 $4.090 View $3.965 $3.862 $3.805 $3.748 Quote	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.9 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8941BD-IS4 Skyworks Solutions, Inc. 1: $6.699 121In Stock	Mfr. Part # SI8941BD-IS4 Mouser Part # 634-SI8941BDIS4	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	121In Stock	$6.699 $5.104 $4.705 $4.249 View $4.170 $4.101 $4.033 $4.010	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.9 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8946AB-IS Skyworks Solutions, Inc. 1: $6.938 84In Stock	Mfr. Part # SI8946AB-IS Mouser Part # 634-SI8946ABIS	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	84In Stock	$6.938 $5.320 $4.557 $4.375 View $4.249 $4.136 $4.079 $3.965	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.7 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8947AD-IS4 Skyworks Solutions, Inc. 1: $7.291 66In Stock	Mfr. Part # SI8947AD-IS4 Mouser Part # 634-SI8947ADIS4	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	66In Stock	$7.291 $5.594 $4.842 $4.614 View $4.455 $4.352 $4.284 $4.170	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.6 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8941AB-ISR Skyworks Solutions, Inc. 2.500: $3.976 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8941AB-ISR Mouser Part # 634-SI8941ABISR	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $3.976	Min.: 2.500 Mult.: 2.500 : 2.500									Reel
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8941AD-IS4R Skyworks Solutions, Inc. 1.250: $4.227 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8941AD-IS4R Mouser Part # 634-SI8941ADIS4R	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $4.227 $4.181	Min.: 1.250 Mult.: 1.250 : 1.250									Reel
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8941BB-ISR Skyworks Solutions, Inc. 2.500: $3.634 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8941BB-ISR Mouser Part # 634-SI8941BBISR	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $3.634	Min.: 2.500 Mult.: 2.500 : 2.500									Reel
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8946AB-ISR Skyworks Solutions, Inc. 2.500: $3.976 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8946AB-ISR Mouser Part # 634-SI8946ABISR	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $3.976	Min.: 2.500 Mult.: 2.500 : 2.500									Reel
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8946AD-IS4 Skyworks Solutions, Inc. 1: $7.485 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8946AD-IS4 Mouser Part # 634-SI8946ADIS4	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	$7.485 $5.742 $5.115 $4.728 View $4.557 $4.455 $4.386 $4.318	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.7 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8946AD-IS4R Skyworks Solutions, Inc. 1.250: $4.227 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8946AD-IS4R Mouser Part # 634-SI8946ADIS4R	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $4.227 $4.181	Min.: 1.250 Mult.: 1.250 : 1.250									Reel
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8946BB-IS Skyworks Solutions, Inc. 1: $6.574 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8946BB-IS Mouser Part # 634-SI8946BBIS	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	$6.574 $5.024 $4.409 $4.090 View $3.965 $3.862 $3.805 $3.748 Quote	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.7 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8946BB-ISR Skyworks Solutions, Inc. 2.500: $3.634 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8946BB-ISR Mouser Part # 634-SI8946BBISR	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $3.634	Min.: 2.500 Mult.: 2.500 : 2.500									Reel
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8946BD-IS4 Skyworks Solutions, Inc. 1: $6.915 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8946BD-IS4 Mouser Part # 634-SI8946BDIS4	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	$6.915 $5.275 $4.682 $4.318 View $4.158 $4.067 $3.999 $3.942	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.7 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8946BD-IS4R Skyworks Solutions, Inc. 1.250: $3.862 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8946BD-IS4R Mouser Part # 634-SI8946BDIS4R	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $3.862 $3.828	Min.: 1.250 Mult.: 1.250 : 1.250									Reel
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8947AB-IS Skyworks Solutions, Inc. 1: $7.132 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8947AB-IS Mouser Part # 634-SI8947ABIS	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	$7.132 $5.469 $5.241 $4.922 View $4.819 $4.751 $4.717 $4.694 Quote	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.6 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8947AB-ISR Skyworks Solutions, Inc. 2.500: $3.976 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8947AB-ISR Mouser Part # 634-SI8947ABISR	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $3.976	Min.: 2.500 Mult.: 2.500 : 2.500									Reel
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8947AD-IS4R Skyworks Solutions, Inc. 1.250: $4.227 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8947AD-IS4R Mouser Part # 634-SI8947ADIS4R	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $4.227 $4.181	Min.: 1.250 Mult.: 1.250 : 1.250									Reel
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8947BB-IS Skyworks Solutions, Inc. 1: $6.574 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8947BB-IS Mouser Part # 634-SI8947BBIS	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	$6.574 $5.024 $4.409 $4.124 View $3.965 $3.862 $3.805 $3.748 Quote	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.6 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators SI8947BB-ISR Skyworks Solutions, Inc. 2.500: $3.634 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8947BB-ISR Mouser Part # 634-SI8947BBISR	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 2.5 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $3.634	Min.: 2.500 Mult.: 2.500 : 2.500									Reel
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8947BD-IS4 Skyworks Solutions, Inc. 1: $6.915 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8947BD-IS4 Mouser Part # 634-SI8947BDIS4	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	$6.915 $5.275 $4.682 $4.352 View $4.170 $4.056 $3.987 $3.942	Min.: 1 Mult.: 1	Current Monitors	High or Low Side	5.5 V	3 V	6.6 mA	- 40 C	+ 125 C	SMD/SMT	Tube
Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators SI8947BD-IS4R Skyworks Solutions, Inc. 1.250: $3.987 Non-Stocked Lead-Time 24 Weeks	Mfr. Part # SI8947BD-IS4R Mouser Part # 634-SI8947BDIS4R	Skyworks Solutions, Inc.	Current & Power Monitors & Regulators 5.0 kV isolated Delta-Sigma modulators Learn More about Skyworks Solutions, Inc. skyworks si894x delta sigma modulators	Datasheet	Non-Stocked Lead-Time 24 Weeks	Reel $3.987 $3.919	Min.: 1.250 Mult.: 1.250 : 1.250									Reel

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