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TS391 Low-Power Single Voltage Comparators

STMicroelectronics TS391 Low-Power Single Voltage Comparators operate from a single supply over a wide range of voltages. Operation from split power supplies is also possible. The TS391 has a wide single supply voltage range or dual supplies of 2V to 36V or ±1V to ±18V. An input common-mode voltage range includes ground, even though operated from a single power supply voltage. The differential input voltage range is equal to the supply voltage.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Mounting Style	Package/Case	Number of Channels	Output Type	Response Time	Type	Supply Voltage - Min	Supply Voltage - Max	Operating Supply Current	Output Current per Channel	Vos - Input Offset Voltage	Ib - Input Bias Current	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
	Analog Comparators Low power, single voltage comparator TS391RIYLT STMicroelectronics 1: € 0,679 6 457In Stock	Mfr. Part No. TS391RIYLT Mouser Part No 511-TS391RIYLT	STMicroelectronics	Analog Comparators Low power, single voltage comparator Learn More about STMicroelectronics stm ts391 comparators	Datasheet	6 457In Stock	Cut Tape € 0,679 € 0,535 € 0,495 € 0,453 View Reel € 0,417 € 0,433 € 0,421 € 0,417 € 0,417 MouseReel Available	Min.: 1 Mult.: 1 : 3 000			SMD/SMT	SOT-23-5	1 Channel	CMOS, DTL, ECL, TTL	1.3 us	Differential	2 V	36 V	200 uA	16 mA	5 mV	250 nA	- 40 C	+ 125 C	TS391	Reel, Cut Tape, MouseReel
	Analog Comparators Low power, single voltage comparator TS391AILT STMicroelectronics 1: € 0,92 4 499In Stock 6 000Expected 11/10/2027	Mfr. Part No. TS391AILT Mouser Part No 511-TS391AILT	STMicroelectronics	Analog Comparators Low power, single voltage comparator Learn More about STMicroelectronics stm ts391 comparators	Datasheet	4 499In Stock 6 000Expected 11/10/2027	Cut Tape € 0,92 € 0,666 € 0,601 € 0,531 Reel € 0,427 View € 0,496 € 0,479 € 0,464 € 0,419 MouseReel Available	Min.: 1 Mult.: 1 : 3 000			SMD/SMT	SOT-23-5	1 Channel	CMOS, DTL, ECL, TTL	1.3 us	Differential	2 V	36 V	500 uA	16 mA	5 mV	250 nA	- 40 C	+ 125 C	TS391A	Reel, Cut Tape, MouseReel
	Analog Comparators Lo-Pwr Sngl Voltage TS391ILT STMicroelectronics 1: € 0,568 20 879In Stock 18 000Expected 04/01/2027	Mfr. Part No. TS391ILT Mouser Part No 511-TS391IL	STMicroelectronics	Analog Comparators Lo-Pwr Sngl Voltage Learn More about STMicroelectronics stm ts391 comparators	Datasheet	20 879In Stock 18 000Expected 04/01/2027	Cut Tape € 0,568 € 0,402 € 0,361 € 0,315 Reel € 0,248 View € 0,293 € 0,28 € 0,269 € 0,242 MouseReel Available	Min.: 1 Mult.: 1 : 3 000			SMD/SMT	SOT-23-5	1 Channel	CMOS, DTL, ECL, TTL	1.3 us	Differential	2 V	36 V	500 uA	16 mA	5 mV	250 nA	- 40 C	+ 125 C	TS391	Reel, Cut Tape, MouseReel
	Analog Comparators Low Power 0.2mA 18 or 36V VCC Comp TS391RILT STMicroelectronics 1: € 0,628 18 040In Stock 15 000Expected 29/10/2026	Mfr. Part No. TS391RILT Mouser Part No 511-TS391RILT	STMicroelectronics	Analog Comparators Low Power 0.2mA 18 or 36V VCC Comp Learn More about STMicroelectronics stm ts391 comparators	Datasheet	18 040In Stock 15 000Expected 29/10/2026	Cut Tape € 0,628 € 0,445 € 0,40 € 0,35 Reel € 0,277 View € 0,326 € 0,312 € 0,30 € 0,27 MouseReel Available	Min.: 1 Mult.: 1 : 3 000			SMD/SMT	SOT-23-5	1 Channel	CMOS, DTL, ECL, TTL	1.3 us	Differential	2 V	36 V	500 uA	16 mA	5 mV	250 nA	- 40 C	+ 125 C	TS391	Reel, Cut Tape, MouseReel
	Analog Comparators LP Single Volt Comp 18 or 36 VCC 150c TS391IQ2T STMicroelectronics 1: € 1,28 169In Stock 3 000Expected 11/12/2026	Mfr. Part No. TS391IQ2T Mouser Part No 511-TS391IQ2T	STMicroelectronics	Analog Comparators LP Single Volt Comp 18 or 36 VCC 150c Learn More about STMicroelectronics stm ts391 comparators	Datasheet	169In Stock 3 000Expected 11/12/2026	Cut Tape € 1,28 € 0,929 € 0,841 € 0,743 View Reel € 0,613 € 0,697 € 0,669 € 0,639 € 0,613 MouseReel Available	Min.: 1 Mult.: 1 : 3 000			SMD/SMT	DFN-8	1 Channel	CMOS, DTL, ECL, TTL	1.3 us	Differential	2 V	36 V	500 uA	16 mA	5 mV	250 nA	- 40 C	+ 125 C	TS391	Reel, Cut Tape, MouseReel
	Analog Comparators LP Single Volt 2V to 36V Comparator TS391IYLT STMicroelectronics 1: € 1,27 450In Stock 18 000On Order	Mfr. Part No. TS391IYLT Mouser Part No 511-TS391IYLT	STMicroelectronics	Analog Comparators LP Single Volt 2V to 36V Comparator Learn More about STMicroelectronics stm ts391 comparators	Datasheet	450In Stock 18 000On Order On Order Ship Dates Mfr. No: TS391IYLT Stock: 450 Can Dispatch Immediately On Order: 9 000 Expected 04/11/2026 9 000 Expected 05/11/2026 Factory Lead Time: 30 Weeks	Cut Tape € 1,27 € 0,929 € 0,837 € 0,741 View Reel € 0,496 € 0,697 € 0,544 € 0,525 € 0,496 MouseReel Available	Min.: 1 Mult.: 1 : 3 000			SMD/SMT	SOT-23-5	1 Channel	CMOS, DTL, ECL, TTL	1.3 us	Differential	2 V	36 V	500 uA	16 mA	5 mV	250 nA	- 40 C	+ 125 C	TS391	Reel, Cut Tape, MouseReel