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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 (USD) 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: $5.88 1,238In Stock	Mfr. Part No. SI8941BD-IS4R Mouser Part No 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 $5.88 $4.48 $4.13 $3.74 Reel $3.40 View $3.56 $3.45 $3.33	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: $6.09 91In Stock	Mfr. Part No. SI8941AB-IS Mouser Part No 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	$6.09 $4.68 $4.00 $3.84 View $3.72 $3.61 $3.55 $3.48	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: $6.40 70In Stock	Mfr. Part No. SI8941AD-IS4 Mouser Part No 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	$6.40 $4.91 $4.26 $4.07 View $3.90 $3.80 $3.73 $3.66	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: $5.77 295In Stock 96Expected 2027/07/22	Mfr. Part No. SI8941BB-IS Mouser Part No 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	295In Stock 96Expected 2027/07/22	$5.77 $4.41 $3.87 $3.59 View $3.48 $3.40 $3.34 $3.29 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: $5.88 121In Stock	Mfr. Part No. SI8941BD-IS4 Mouser Part No 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	$5.88 $4.48 $4.13 $3.73 View $3.66 $3.61 $3.54 $3.52	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: $6.09 84In Stock	Mfr. Part No. SI8946AB-IS Mouser Part No 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	$6.09 $4.68 $4.00 $3.84 View $3.73 $3.63 $3.58 $3.48	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: $6.40 66In Stock	Mfr. Part No. SI8947AD-IS4 Mouser Part No 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	$6.40 $4.91 $4.26 $4.05 View $3.91 $3.83 $3.76 $3.66	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: $3.49 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8941AB-ISR Mouser Part No 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 $3.49	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: $3.71 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8941AD-IS4R Mouser Part No 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 $3.71 $3.68	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: $3.19 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8941BB-ISR Mouser Part No 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 $3.19	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: $3.49 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8946AB-ISR Mouser Part No 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 $3.49	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: $6.57 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8946AD-IS4 Mouser Part No 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	$6.57 $5.04 $4.49 $4.15 View $4.00 $3.91 $3.85 $3.79	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: $3.71 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8946AD-IS4R Mouser Part No 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 $3.71 $3.68	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: $5.77 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8946BB-IS Mouser Part No 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	$5.77 $4.41 $3.87 $3.59 View $3.48 $3.40 $3.34 $3.29 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: $3.19 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8946BB-ISR Mouser Part No 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 $3.19	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: $5.87 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8946BD-IS4 Mouser Part No 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	$5.87 $4.47 $4.12 $3.73 View $3.55 $3.44 $3.40 $3.36	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: $3.40 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8946BD-IS4R Mouser Part No 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 $3.40 $3.36	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: $6.00 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8947AB-IS Mouser Part No 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	$6.00 $4.61 $4.26 $3.87 View $3.68 $3.57 $3.54 $3.49	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: $3.49 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8947AB-ISR Mouser Part No 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 $3.49	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: $3.71 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8947AD-IS4R Mouser Part No 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 $3.71 $3.68	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: $5.57 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8947BB-IS Mouser Part No 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	$5.57 $4.24 $3.91 $3.54 View $3.37 $3.27 $3.22 $3.19	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: $3.19 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8947BB-ISR Mouser Part No 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 $3.19	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: $6.07 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8947BD-IS4 Mouser Part No 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	$6.07 $4.63 $4.11 $3.83 View $3.66 $3.56 $3.50 $3.47	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: $3.50 Non-Stocked Lead-Time 24 Weeks	Mfr. Part No. SI8947BD-IS4R Mouser Part No 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 $3.50 $3.44	Min.: 1,250 Mult.: 1,250 : 1,250									Reel

Si894x Isolated Delta-Sigma Modulators

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