Operational Amplifiers - Op Amps

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OPAx991/OPAx991-Q1 Operational Amplifiers

Texas Instruments OPAx991/OPAx991-Q1 Low-Noise Operational Amplifiers (Op Amps) are high voltage (40V) general-purpose op amps. These are available in single (OPA991/OPA991-Q1), dual (OPA2991/OPA2991-Q1), and quad (OPA4991/OPA4991-Q1) versions. These devices offer exceptional DC precision and AC performance, including rail-to-rail input/output, low offset (±125µV, typ), low offset drift (±0.3µV/°C, typ), low noise (10.5nV/√Hz and 1.8µVPP), and 4.5MHz bandwidth. These devices have unique features such as differential and common-mode input-voltage range to the supply rail, high output current (±75mA), high slew rate (21V/µs), high capacitive load drive (1nF), and shutdown functionality. These features make the OPAx991 a robust, high-performance operational amplifier for high-voltage industrial applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Number of Channels	GBP - Gain Bandwidth Product	SR - Slew Rate	Vos - Input Offset Voltage	Ib - Input Bias Current	Supply Voltage - Max	Supply Voltage - Min	Operating Supply Current	Output Current per Channel	CMRR - Common Mode Rejection Ratio	en - Input Voltage Noise Density	Package/Case	Mounting Style	Shutdown	Minimum Operating Temperature	Maximum Operating Temperature	In - Input Noise Current Density	Series	Packaging
Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power OPA2991QDGKRQ1 Texas Instruments 1: HK$27.45 14,422In Stock	Mfr. Part No. OPA2991QDGKRQ1 Mouser Part No 595-OPA2991QDGKRQ1	Texas Instruments	Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power Learn More about Texas Instruments ti opax991 op amps	Datasheet	14,422In Stock	Cut Tape HK$27.45 HK$20.63 HK$18.91 HK$17.02 Reel HK$13.81 View HK$16.11 HK$15.95 HK$15.12 HK$13.65 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	2 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	VSSOP-8	SMD/SMT	Shutdown	- 40 C	+ 125 C	82 fA	OPA2991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow OPA4991QPWRQ1 Texas Instruments 1: HK$34.11 6,625In Stock	Mfr. Part No. OPA4991QPWRQ1 Mouser Part No 595-OPA4991QPWRQ1	Texas Instruments	Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow Learn More about Texas Instruments ti opax991 op amps	Datasheet	6,625In Stock	Cut Tape HK$34.11 HK$25.89 HK$23.76 HK$21.54 View Reel HK$17.67 HK$20.39 HK$20.30 HK$19.65 HK$17.67 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	TSSOP-14	SMD/SMT	Shutdown	- 40 C	+ 125 C	82 fA	OPA4991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow OPA4991QDRQ1 Texas Instruments 1: HK$34.11 6,740In Stock	Mfr. Part No. OPA4991QDRQ1 Mouser Part No 595-OPA4991QDRQ1	Texas Instruments	Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow Learn More about Texas Instruments ti opax991 op amps	Datasheet	6,740In Stock	Cut Tape HK$34.11 HK$25.81 HK$23.76 HK$21.45 View Reel HK$17.51 HK$20.39 HK$20.30 HK$19.07 HK$17.51 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V		75 mA	75 dB	10.8 nV/sqrt Hz	SOIC-14	SMD/SMT	Shutdown	- 40 C	+ 125 C	82 fA	OPA4991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power OPA2991QPWRQ1 Texas Instruments 1: HK$28.19 2,550In Stock	Mfr. Part No. OPA2991QPWRQ1 Mouser Part No 595-OPA2991QPWRQ1	Texas Instruments	Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power Learn More about Texas Instruments ti opax991 op amps	Datasheet	2,550In Stock	Cut Tape HK$28.19 HK$20.96 HK$19.23 HK$17.26 Reel HK$14.88 View HK$16.28 HK$15.95 HK$15.12 HK$14.71 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			21 V/us									TSSOP-8	SMD/SMT					OPA2991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation OPA991TIDCKR Texas Instruments 1: HK$17.26 7,592In Stock	Mfr. Part No. OPA991TIDCKR Mouser Part No 595-OPA991TIDCKR	Texas Instruments	Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation Learn More about Texas Instruments ti opax991 op amps	Datasheet	7,592In Stock	Cut Tape HK$17.26 HK$12.74 HK$11.67 HK$10.44 Reel HK$8.01 View HK$9.78 HK$9.45 HK$9.12 HK$7.93 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	1 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V	560 uA	75 mA	109 dB	9.4 nV/sqrt Hz	SC-70-5	SMD/SMT	No Shutdown	- 40 C	+ 125 C	2 fA	OPA991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Enhanced-product qu ad 40-V 4.5-MHz rai OPA4991MDYYREP Texas Instruments 1: HK$104.89 2,404In Stock	Mfr. Part No. OPA4991MDYYREP Mouser Part No 595-OPA4991MDYYREP	Texas Instruments	Operational Amplifiers - Op Amps Enhanced-product qu ad 40-V 4.5-MHz rai Learn More about Texas Instruments ti opax991 op amps	Datasheet	2,404In Stock	Cut Tape HK$104.89 HK$82.12 HK$76.45 HK$70.28 View Reel HK$58.94 HK$69.54 HK$69.38 HK$58.94 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4 Channel	4.5 MHz	21 V/us	830 uV	10 pA	40 V	2.7 V		75 mA	130 dB	10.8 nV/sqrt Hz	SOT-23-14	SMD/SMT	Shutdown	- 40 C	+ 125 C	82 fA	OPA4991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow OPA991SQDBVRQ1 Texas Instruments 1: HK$17.18 2,466In Stock	Mfr. Part No. OPA991SQDBVRQ1 Mouser Part No 595-OPA991SQDBVRQ1	Texas Instruments	Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow Learn More about Texas Instruments ti opax991 op amps	Datasheet	2,466In Stock	Cut Tape HK$17.18 HK$12.74 HK$11.59 HK$10.36 Reel HK$8.63 View HK$9.78 HK$9.45 HK$9.04 HK$8.38 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	1 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V	560 uA	75 mA	75 dB	10.8 nV/sqrt Hz	SOT-23-6	SMD/SMT	Shutdown	- 40 C	+ 125 C	82 fA	OPA991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow OPA4991QDYYRQ1 Texas Instruments 1: HK$33.62 11,432In Stock	Mfr. Part No. OPA4991QDYYRQ1 Mouser Part No 595-OPA4991QDYYRQ1	Texas Instruments	Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow Learn More about Texas Instruments ti opax991 op amps	Datasheet	11,432In Stock	Cut Tape HK$33.62 HK$25.40 HK$23.34 HK$21.13 View Reel HK$18.08 HK$20.06 HK$19.97 HK$19.23 HK$18.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V			75 dB	10.8 nV/sqrt Hz	SOT-23-14	SMD/SMT	Shutdown	- 40 C	+ 125 C	82 fA	OPA4991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation OPA991IDBVR Texas Instruments 1: HK$13.48 24,372In Stock	Mfr. Part No. OPA991IDBVR Mouser Part No 595-OPA991IDBVR	Texas Instruments	Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation Learn More about Texas Instruments ti opax991 op amps	Datasheet	24,372In Stock	Cut Tape HK$13.48 HK$9.86 HK$8.96 HK$7.95 Reel HK$6.66 View HK$7.47 HK$7.18 HK$7.13 HK$6.51 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	1 Channel	4.5 MHz	21 V/us	750 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	SOT-23-5	SMD/SMT	No Shutdown	- 40 C	+ 125 C		OPA991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation OPA2991IDDFR Texas Instruments 1: HK$21.37 2,187In Stock	Mfr. Part No. OPA2991IDDFR Mouser Part No 595-OPA2991IDDFR	Texas Instruments	Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation Learn More about Texas Instruments ti opax991 op amps	Datasheet	2,187In Stock	Cut Tape HK$21.37 HK$15.86 HK$14.55 HK$12.99 Reel HK$10.93 View HK$12.33 HK$11.92 HK$10.77 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2 Channel	4.5 MHz	21 V/us	750 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	SOT-23-THIN-8	SMD/SMT	Shutdown	- 40 C	+ 125 C		OPA2991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps 16 OPA2991IDSGR Texas Instruments 1: HK$22.93 6,144In Stock	Mfr. Part No. OPA2991IDSGR Mouser Part No 595-OPA2991IDSGR	Texas Instruments	Operational Amplifiers - Op Amps 16 Learn More about Texas Instruments ti opax991 op amps	Datasheet	6,144In Stock	Cut Tape HK$22.93 HK$17.10 HK$15.62 HK$14.06 HK$13.32 Reel HK$11.26 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2 Channel	4.5 MHz	21 V/us		10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	WSON-8	SMD/SMT	Shutdown	- 40 C	+ 125 C		OPA2991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation A A 595-OPA2991IDR OPA2991IPWR Texas Instruments 1: HK$20.80 1,666In Stock 6,000Expected 17/5/2027	Mfr. Part No. OPA2991IPWR Mouser Part No 595-OPA2991IPWR	Texas Instruments	Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation A A 595-OPA2991IDR Learn More about Texas Instruments ti opax991 op amps	Datasheet	1,666In Stock 6,000Expected 17/5/2027	Cut Tape HK$20.80 HK$15.45 HK$14.14 HK$12.66 View Reel HK$10.60 HK$12.00 HK$11.67 HK$10.60 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	2 Channel	4.5 MHz	21 V/us		10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz		SMD/SMT	Shutdown	- 40 C	+ 125 C		OPA2991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power OPA2991QDRQ1 Texas Instruments 1: HK$24.17 2,612In Stock	Mfr. Part No. OPA2991QDRQ1 Mouser Part No 595-OPA2991QDRQ1	Texas Instruments	Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power Learn More about Texas Instruments ti opax991 op amps	Datasheet	2,612In Stock	Cut Tape HK$24.17 HK$18.08 HK$16.60 HK$14.88 Reel HK$12.66 View HK$14.14 HK$13.81 HK$13.48 HK$12.25 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V	560 uA	75 mA	107 dB	10.8 nV/sqrt Hz	SOIC-8	SMD/SMT	Shutdown	- 40 C	+ 125 C	82 fA	OPA2991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation OPA2991SIRUGR Texas Instruments 1: HK$26.80 6,982In Stock	Mfr. Part No. OPA2991SIRUGR Mouser Part No 595-OPA2991SIRUGR	Texas Instruments	Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation Learn More about Texas Instruments ti opax991 op amps	Datasheet	6,982In Stock	Cut Tape HK$26.80 HK$20.14 HK$18.41 HK$16.60 Reel HK$14.14 View HK$15.70 HK$15.54 HK$15.04 HK$14.06 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2 Channel	4.5 MHz	21 V/us	750 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	X2QFN-10	SMD/SMT	Shutdown	- 40 C	+ 125 C		OPA2991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation OPA4991IDR Texas Instruments 1: HK$30.50 1,308In Stock 5,000Expected 28/1/2027	Mfr. Part No. OPA4991IDR Mouser Part No 595-OPA4991IDR	Texas Instruments	Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation Learn More about Texas Instruments ti opax991 op amps	Datasheet	1,308In Stock 5,000Expected 28/1/2027	Cut Tape HK$30.50 HK$22.69 HK$20.80 HK$18.74 View Reel HK$15.86 HK$17.76 HK$17.59 HK$15.86 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	4 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	SOIC-14	SMD/SMT	Shutdown	- 40 C	+ 125 C		OPA4991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation OPA4991IDYYR Texas Instruments 1: HK$28.77 2,402In Stock	Mfr. Part No. OPA4991IDYYR Mouser Part No 595-OPA4991IDYYR	Texas Instruments	Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation Learn More about Texas Instruments ti opax991 op amps	Datasheet	2,402In Stock	Cut Tape HK$28.77 HK$21.70 HK$19.89 HK$17.92 Reel HK$15.29 View HK$17.02 HK$16.77 HK$16.36 HK$14.96 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V		75 mA	75 dB	10.8 nV/sqrt Hz	SOT-23-THIN-14	SMD/SMT	Shutdown	- 40 C	+ 125 C	2 fA	OPA4991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation OPA4991IPWR Texas Instruments 1: HK$29.43 7,298In Stock	Mfr. Part No. OPA4991IPWR Mouser Part No 595-OPA4991IPWR	Texas Instruments	Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation Learn More about Texas Instruments ti opax991 op amps	Datasheet	7,298In Stock	Cut Tape HK$29.43 HK$22.19 HK$20.39 HK$18.41 Reel HK$16.28 View HK$17.43 HK$17.26 HK$16.36 HK$15.95 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	4 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	TSSOP-14	SMD/SMT	Shutdown	- 40 C	+ 125 C	2 fA	OPA4991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow OPA4991TQPWRQ1 Texas Instruments 1: HK$36.41 1,783In Stock	Mfr. Part No. OPA4991TQPWRQ1 Mouser Part No 595-OPA4991TQPWRQ1	Texas Instruments	Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow Learn More about Texas Instruments ti opax991 op amps	Datasheet	1,783In Stock	Cut Tape HK$36.41 HK$27.70 HK$25.48 HK$23.02 View Reel HK$19.65 HK$21.87 HK$21.13 HK$19.65 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V	560 uA		75 dB	10.8 nV/sqrt Hz	TSSOP-14	SMD/SMT	Shutdown	- 40 C	+ 125 C	82 fA	OPA4991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation OPA991IDCKR Texas Instruments 1: HK$11.92 8,548In Stock	Mfr. Part No. OPA991IDCKR Mouser Part No 595-OPA991IDCKR	Texas Instruments	Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation Learn More about Texas Instruments ti opax991 op amps	Datasheet	8,548In Stock	Cut Tape HK$11.92 HK$8.71 HK$7.85 HK$6.96 Reel HK$6.00 View HK$6.54 HK$6.28 HK$6.12 HK$5.86 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	1 Channel	4.5 MHz	21 V/us	750 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	SC-70-5	SMD/SMT	Shutdown	- 40 C	+ 125 C	2 fA	OPA991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation OPA991SIDBVR Texas Instruments 1: HK$14.63 4,880In Stock	Mfr. Part No. OPA991SIDBVR Mouser Part No 595-OPA991SIDBVR	Texas Instruments	Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation Learn More about Texas Instruments ti opax991 op amps	Datasheet	4,880In Stock	Cut Tape HK$14.63 HK$10.77 HK$9.78 HK$8.71 Reel HK$7.30 View HK$8.18 HK$7.87 HK$7.84 HK$7.29 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	1 Channel	4.5 MHz	21 V/us	750 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	SOT-23-6	SMD/SMT	Shutdown	- 40 C	+ 125 C		OPA991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation OPA2991IDGKR Texas Instruments 1: HK$23.51 94In Stock	Mfr. Part No. OPA2991IDGKR Mouser Part No 595-OPA2991IDGKR	Texas Instruments	Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation Learn More about Texas Instruments ti opax991 op amps	Datasheet	94In Stock	Cut Tape HK$23.51 HK$17.59 HK$16.11 HK$14.47 View Reel HK$12.33 HK$13.73 HK$13.40 HK$13.07 HK$12.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	2 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	VSSOP-8	SMD/SMT	Shutdown	- 40 C	+ 125 C	2 fA	OPA2991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation A A 595-OPA2991IPWR OPA2991IDR Texas Instruments 1: HK$23.51 17,181On Order	Mfr. Part No. OPA2991IDR Mouser Part No 595-OPA2991IDR	Texas Instruments	Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation A A 595-OPA2991IPWR Learn More about Texas Instruments ti opax991 op amps	Datasheet	17,181On Order On Order Ship Dates Mfr. No: OPA2991IDR Stock: 0 On Order: 2,181 Expected 8/1/2027 15,000 Expected 21/1/2027 Factory Lead Time: 26 Weeks	Cut Tape HK$23.51 HK$17.59 HK$16.11 HK$14.47 View Reel HK$12.41 HK$13.73 HK$13.40 HK$12.41 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	2 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	SOIC-8	SMD/SMT	Shutdown	- 40 C	+ 125 C	2 fA	OPA2991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation OPA4991IRUCR Texas Instruments 1: HK$31.15 15,000Expected 9/8/2027	Mfr. Part No. OPA4991IRUCR Mouser Part No 595-OPA4991IRUCR	Texas Instruments	Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation Learn More about Texas Instruments ti opax991 op amps	Datasheet	15,000Expected 9/8/2027	Cut Tape HK$31.15 HK$23.51 HK$21.62 HK$19.48 View Reel HK$16.77 HK$18.50 HK$18.33 HK$18.08 HK$16.77 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4 Channel	4.5 MHz	21 V/us	750 uV	10 pA	40 V	2.7 V	560 uA	75 mA	130 dB	10.8 nV/sqrt Hz	QFN-14	SMD/SMT	Shutdown	- 40 C	+ 125 C		OPA4991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow OPA991QDBVRQ1 Texas Instruments 1: HK$15.21 17,694On Order	Mfr. Part No. OPA991QDBVRQ1 Mouser Part No 595-OPA991QDBVRQ1	Texas Instruments	Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow Learn More about Texas Instruments ti opax991 op amps	Datasheet	17,694On Order	Cut Tape HK$15.21 HK$11.18 HK$10.19 HK$9.04 View Reel HK$7.50 HK$8.47 HK$8.08 HK$8.06 HK$7.50 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	1 Channel	4.5 MHz	21 V/us	895 uV	10 pA	40 V	2.7 V		75 mA	130 dB	10.8 nV/sqrt Hz	SOT-23-5	SMD/SMT	No Shutdown	- 40 C	+ 125 C	82 fA	OPA991	Reel, Cut Tape, MouseReel
Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow OPA991QDCKRQ1 Texas Instruments 1: HK$15.21 9,397On Order	Mfr. Part No. OPA991QDCKRQ1 Mouser Part No 595-OPA991QDCKRQ1	Texas Instruments	Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow Learn More about Texas Instruments ti opax991 op amps	Datasheet	9,397On Order On Order Ship Dates Mfr. No: OPA991QDCKRQ1 Stock: 0 On Order: 397 Expected 17/12/2026 9,000 Expected 15/3/2027 Factory Lead Time: 26 Weeks	Cut Tape HK$15.21 HK$11.18 HK$10.19 HK$8.96 View Reel HK$7.50 HK$8.47 HK$8.08 HK$8.06 HK$7.50 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	1 Channel	4.5 MHz	21 V/us	125 uV	10 pA	40 V	2.7 V	560 uA	75 mA	75 dB	10.8 nV/sqrt Hz	SC-70-5	SMD/SMT	Shutdown	- 40 C	+ 125 C	82 fA	OPA991	Reel, Cut Tape, MouseReel

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