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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 (SGD) 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 Functional isolation quad-channel 4/0 di ISO6540DBQR Texas Instruments 1: $2.60 2,500In Stock New Product	Mfr. Part No. ISO6540DBQR Mouser Part No 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	2,500In Stock	Cut Tape $2.60 $1.92 $1.74 $1.55 Reel $1.31 View $1.47 $1.41 $1.28 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
Digital Isolators Automotive 100-V is olation quad-channe ISO6540FQDBQRQ1 Texas Instruments 1: $2.90 3,862In Stock New Product	Mfr. Part No. ISO6540FQDBQRQ1 Mouser Part No 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	3,862In Stock	Cut Tape $2.90 $2.14 $1.94 $1.74 Reel $1.44 View $1.65 $1.59 $1.40 MouseReel Available	Min.: 1 Mult.: 1 : 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: $2.86 3,201In Stock New Product	Mfr. Part No. ISO6540QDBQRQ1 Mouser Part No 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	3,201In Stock	Cut Tape $2.86 $2.11 $1.92 $1.71 Reel $1.59 View $1.62 $1.59 $1.47 MouseReel Available	Min.: 1 Mult.: 1 : 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 ISO6541FDBQR Texas Instruments 1: $2.64 1,682In Stock New Product	Mfr. Part No. ISO6541FDBQR Mouser Part No 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 $2.64 $1.93 $1.75 $1.56 Reel $1.36 View $1.47 $1.41 $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 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: $2.90 5,277In Stock New Product	Mfr. Part No. ISO6541FQDBQRQ1 Mouser Part No 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	5,277In Stock	Cut Tape $2.90 $2.14 $1.94 $1.74 Reel $1.44 View $1.65 $1.59 $1.52 $1.40 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 Automotive 100-V is olation quad-channe ISO6541QDBQRQ1 Texas Instruments 1: $2.83 6,155In Stock New Product	Mfr. Part No. ISO6541QDBQRQ1 Mouser Part No 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	6,155In Stock	Cut Tape $2.83 $2.09 $1.92 $1.71 Reel $1.44 View $1.60 $1.55 $1.52 $1.40 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: $2.60 2,306In Stock New Product	Mfr. Part No. ISO6542DBQR Mouser Part No 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	2,306In Stock	Cut Tape $2.60 $1.92 $1.74 $1.55 Reel $1.31 View $1.47 $1.41 $1.28 MouseReel Available	Min.: 1 Mult.: 1 : 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 Functional isolation quad-channel 4/0 di ISO6540FDBQR Texas Instruments 1: $2.64 939In Stock 2,500Expected 21/12/2026 New Product	Mfr. Part No. ISO6540FDBQR Mouser Part No 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	939In Stock 2,500Expected 21/12/2026	Cut Tape $2.64 $1.93 $1.75 $1.56 Reel $1.36 View $1.47 $1.41 $1.34 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	18.1 mA	18 ns	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Digital Isolators Functional isolation quad-channel 3/1 di ISO6541DBQR Texas Instruments 1: $2.60 1,470In Stock New Product	Mfr. Part No. ISO6541DBQR Mouser Part No 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	1,470In Stock	Cut Tape $2.60 $1.92 $1.74 $1.55 Reel $1.31 View $1.47 $1.41 $1.28 MouseReel Available	Min.: 1 Mult.: 1 : 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 2/2 di ISO6542FDBQR Texas Instruments 1: $2.64 1,236In Stock New Product	Mfr. Part No. ISO6542FDBQR Mouser Part No 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	1,236In Stock	Cut Tape $2.64 $1.93 $1.75 $1.56 Reel $1.36 View $1.47 $1.41 $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 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: $2.83 901In Stock 2,500Expected 15/3/2027 New Product	Mfr. Part No. ISO6542QDBQRQ1 Mouser Part No 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	901In Stock 2,500Expected 15/3/2027	Cut Tape $2.83 $2.09 $1.92 $1.71 Reel $1.44 View $1.60 $1.55 $1.52 $1.40 MouseReel Available	Min.: 1 Mult.: 1 : 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 Automotive 100-V is olation quad-channe ISO6542FQDBQRQ1 Texas Instruments 1: $3.01 69In Stock New Product	Mfr. Part No. ISO6542FQDBQRQ1 Mouser Part No 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	69In Stock	Cut Tape $3.01 $2.22 $2.03 $1.81 View Reel $1.46 $1.66 $1.59 $1.58 $1.46 MouseReel Available	Min.: 1 Mult.: 1 : 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

ISO654x/ISO654x-Q1 Quad Functional Isolators

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ISO654x/ISO654x-Q1 Quad Functional Isolators

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