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ISO654x/ISO654x-Q1 Quad Functional Isolators

Texas Instruments ISO654x/ISO654x-Q1 Quad-Channel Functional Isolators are for cost-sensitive, space-constrained applications that require isolation for non-safety applications. The isolation barrier supports transient overvoltages of 707V_RMS/1000V_DC and a working voltage of 400V_RMS/566V_DC. The ISO654x devices provide high EMC performance while isolating CMOS or LVCMOS digital I/Os. ISO654x uses SiO₂ as the isolation barrier. Each isolation channel has a logic output and input buffer separated by the insulation barrier. These devices come with enable pins that can be used to put the respective outputs in high impedance.

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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.	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	Packaging
Digital Isolators Automotive 100-V is olation quad-channe ISO6540FQDBQRQ1 Texas Instruments 1: $2.77 3,496In Stock New Product	Mfr. Part # ISO6540FQDBQRQ1 Mouser Part # 595-ISO6540FQDBQRQ1 New Product	Texas Instruments	Digital Isolators Automotive 100-V is olation quad-channe Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	3,496In Stock	Cut Tape $2.77 $2.04 $1.86 $1.66 View Reel $1.52 $1.57 $1.52 $1.52 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,500	ISO6540-Q1	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V	18.1 mA	18 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Automotive 100-V is olation quad-channe ISO6540QDBQRQ1 Texas Instruments 1: $2.73 3,166In Stock New Product	Mfr. Part # ISO6540QDBQRQ1 Mouser Part # 595-ISO6540QDBQRQ1 New Product	Texas Instruments	Digital Isolators Automotive 100-V is olation quad-channe Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	3,166In Stock	Cut Tape $2.73 $2.02 $1.83 $1.64 View Reel $1.52 $1.55 $1.52 $1.52 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,500	ISO6540-Q1	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V	3.7 mA	11 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Functional isolation quad-channel 3/1 di ISO6541DBQR Texas Instruments 1: $2.48 1,598In Stock New Product	Mfr. Part # ISO6541DBQR Mouser Part # 595-ISO6541DBQR New Product	Texas Instruments	Digital Isolators Functional isolation quad-channel 3/1 di Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	1,598In Stock	Cut Tape $2.48 $1.83 $1.66 $1.48 View Reel $1.35 $1.40 $1.35 $1.35 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,500	ISO6541	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V	15.3 mA	18 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Functional isolation quad-channel 3/1 di ISO6541FDBQR Texas Instruments 1: $2.52 1,682In Stock New Product	Mfr. Part # ISO6541FDBQR Mouser Part # 595-ISO6541FDBQR New Product	Texas Instruments	Digital Isolators Functional isolation quad-channel 3/1 di Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	1,682In Stock	Cut Tape $2.52 $1.85 $1.68 $1.50 View Reel $1.35 $1.40 $1.35 $1.35 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,500	ISO6541	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V	15.3 mA	18 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Automotive 100-V is olation quad-channe ISO6541FQDBQRQ1 Texas Instruments 1: $2.77 5,917In Stock New Product	Mfr. Part # ISO6541FQDBQRQ1 Mouser Part # 595-ISO6541FQDBQRQ1 New Product	Texas Instruments	Digital Isolators Automotive 100-V is olation quad-channe Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	5,917In Stock	Cut Tape $2.77 $2.04 $1.86 $1.66 View Reel $1.46 $1.57 $1.52 $1.46 $1.46 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,500	ISO6541-Q1	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V	15.3 mA	18 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Automotive 100-V is olation quad-channe ISO6541QDBQRQ1 Texas Instruments 1: $2.70 6,223In Stock New Product	Mfr. Part # ISO6541QDBQRQ1 Mouser Part # 595-ISO6541QDBQRQ1 New Product	Texas Instruments	Digital Isolators Automotive 100-V is olation quad-channe Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	6,223In Stock	Cut Tape $2.70 $2.00 $1.83 $1.64 Reel $1.38 View $1.53 $1.48 $1.46 $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	ISO6541-Q1	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V	15.3 mA	18 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Functional isolation quad-channel 2/2 di ISO6542DBQR Texas Instruments 1: $2.48 2,326In Stock New Product	Mfr. Part # ISO6542DBQR Mouser Part # 595-ISO6542DBQR New Product	Texas Instruments	Digital Isolators Functional isolation quad-channel 2/2 di Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	2,326In Stock	Cut Tape $2.48 $1.83 $1.66 $1.48 View Reel $1.35 $1.40 $1.35 $1.35 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,500	ISO6542	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V	12.5 mA	18 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Automotive 100-V is olation quad-channe ISO6542QDBQRQ1 Texas Instruments 1: $2.70 1,076In Stock 2,500Expected 8/16/2027 New Product	Mfr. Part # ISO6542QDBQRQ1 Mouser Part # 595-ISO6542QDBQRQ1 New Product	Texas Instruments	Digital Isolators Automotive 100-V is olation quad-channe Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	1,076In Stock 2,500Expected 8/16/2027	Cut Tape $2.70 $2.00 $1.83 $1.64 View Reel $1.46 $1.53 $1.48 $1.46 $1.46 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,500	ISO6542-Q1	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V	12.5 mA	18 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Functional isolation quad-channel 4/0 di ISO6540FDBQR Texas Instruments 1: $2.52 1,109In Stock 2,500Expected 3/15/2027 New Product	Mfr. Part # ISO6540FDBQR Mouser Part # 595-ISO6540FDBQR New Product	Texas Instruments	Digital Isolators Functional isolation quad-channel 4/0 di Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	1,109In Stock 2,500Expected 3/15/2027	Cut Tape $2.52 $1.85 $1.68 $1.50 View Reel $1.35 $1.40 $1.35 $1.35 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,500	ISO6540	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V	18.1 mA	18 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Functional isolation quad-channel 2/2 di ISO6542FDBQR Texas Instruments 1: $2.52 1,364In Stock New Product	Mfr. Part # ISO6542FDBQR Mouser Part # 595-ISO6542FDBQR New Product	Texas Instruments	Digital Isolators Functional isolation quad-channel 2/2 di Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	1,364In Stock	Cut Tape $2.52 $1.85 $1.68 $1.50 View Reel $1.35 $1.40 $1.35 $1.35 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,500	ISO6542	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V	12.5 mA	18 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Automotive 100-V is olation quad-channe ISO6542FQDBQRQ1 Texas Instruments 1: $2.70 483In Stock 2,500Expected 11/23/2026 New Product	Mfr. Part # ISO6542FQDBQRQ1 Mouser Part # 595-ISO6542FQDBQRQ1 New Product	Texas Instruments	Digital Isolators Automotive 100-V is olation quad-channe Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	483In Stock 2,500Expected 11/23/2026	Cut Tape $2.70 $2.00 $1.83 $1.64 View Reel $1.46 $1.53 $1.48 $1.46 $1.46 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,500	ISO6542-Q1	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V	12.5 mA	18 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Functional isolation quad-channel 4/0 di ISO6540DBQR Texas Instruments 1: $2.48 2,500Expected 11/2/2026 New Product	Mfr. Part # ISO6540DBQR Mouser Part # 595-ISO6540DBQR New Product	Texas Instruments	Digital Isolators Functional isolation quad-channel 4/0 di Learn More about Texas Instruments ti iso654x quad channel functional isolators	Datasheet	2,500Expected 11/2/2026	Cut Tape $2.48 $1.83 $1.66 $1.48 Reel $1.25 View $1.40 $1.35 $1.23 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	ISO6540	SMD/SMT	SSOP-16	4 Channel	Unidirectional	50 Mb/s	707 Vrms	Capacitive Coupling	5.5 V	1.71 V		11 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel

ISO654x/ISO654x-Q1 Quad Functional Isolators

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