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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 (IDR) 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: Rp14.493 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 Rp14.493 Rp11.411 Rp10.549 Rp9.668 Reel Rp8.641 View Rp9.228 Rp8.990 Rp8.843 Rp8.549 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: Rp19.630 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 Rp19.630 Rp14.200 Rp12.824 Rp11.319 Reel Rp9.118 View Rp10.586 Rp10.219 Rp9.888 Rp8.935 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: Rp12.108 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 Rp12.108 Rp8.568 Rp7.705 Rp6.715 Reel Rp5.284 View Rp6.256 Rp5.981 Rp5.742 Rp5.155 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: Rp13.393 21.040In 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	21.040In Stock 15.000Expected 29/10/2026	Cut Tape Rp13.393 Rp9.485 Rp8.531 Rp7.467 Reel Rp5.907 View Rp6.953 Rp6.660 Rp6.403 Rp5.761 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: Rp27.336 202In Stock 3.000Expected 10/11/2026	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	202In Stock 3.000Expected 10/11/2026	Cut Tape Rp27.336 Rp19.814 Rp17.942 Rp15.851 View Reel Rp13.081 Rp14.860 Rp14.273 Rp13.631 Rp13.081 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: Rp27.152 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 06/11/2026 Factory Lead Time: 30 Weeks	Cut Tape Rp27.152 Rp19.814 Rp17.851 Rp15.814 View Reel Rp10.586 Rp14.860 Rp11.595 Rp11.209 Rp10.586 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