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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: Rp19.263,30 6.447In 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	6.447In Stock	Cut Tape Rp19.263,30 Rp14.071,38 Rp12.768,82 Rp11.356,17 Reel Rp9.833,46 View Rp10.677,37 Rp10.273,76 Rp10.016,92 Rp9.760,07 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: Rp18.529,46 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 Rp18.529,46 Rp14.493,34 Rp12.108,36 Rp10.860,83 Reel Rp9.007,89 View Rp10.255,41 Rp9.888,49 Rp9.594,96 Rp8.842,77 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: Rp12.108,36 19.802In 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	19.802In Stock 18.000Expected 04/01/2027	Cut Tape Rp12.108,36 Rp8.567,58 Rp7.705,32 Rp6.714,64 Reel Rp5.283,65 View Rp6.255,99 Rp5.980,80 Rp5.742,30 Rp5.155,23 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: Rp13.392,58 31.020In Stock	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	31.020In Stock	Cut Tape Rp13.392,58 Rp9.484,88 Rp8.530,89 Rp7.466,82 Reel Rp5.907,41 View Rp6.953,13 Rp6.659,60 Rp6.402,75 Rp5.760,64 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: Rp28.619,76 169In Stock 3.000Expected 21/12/2026	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 21/12/2026	Cut Tape Rp28.619,76 Rp20.914,44 Rp19.079,84 Rp16.786,59 View Reel Rp13.080,70 Rp15.263,87 Rp14.658,45 Rp14.236,50 Rp13.080,70 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: Rp27.152,08 459In 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	459In Stock 18.000On Order On Order Ship Dates Mfr. No: TS391IYLT Stock: 459 Can Dispatch Immediately On Order: 9.000 Expected 05/11/2026 9.000 Expected 12/11/2026 Factory Lead Time: 30 Weeks	Cut Tape Rp27.152,08 Rp19.813,68 Rp17.850,66 Rp15.814,25 View Reel Rp10.585,64 Rp14.860,26 Rp11.594,67 Rp11.209,41 Rp10.585,64 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