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OPAx145 JFET Operational Amplifiers

Texas Instruments OPAx145 JFET Operational Amplifiers are low-power JFET input amplifiers that feature excellent drift, low current noise, and pico-ampere input bias current. These features make these devices suitable for amplifying small signals from high-impedance sensors. The rail-to-rail output swings to modern, single-supply, precision analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). In addition, the input range that includes V– allows designers to simplify power management and take advantage of the single-supply, low-noise JFET architecture.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDGKT OPA145IDGKR Texas Instruments 1: $2.98 1,690In Stock	Mfr. Part # OPA145IDGKR Mouser Part # 595-OPA145IDGKR	Texas Instruments	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDGKT Learn More about Texas Instruments ti opa145 opa2145 opa4125	Datasheet	1,690In Stock	Cut Tape $2.98 $2.64 Reel $2.62 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDR OPA145ID Texas Instruments 1: $5.67 2,469In Stock	Mfr. Part # OPA145ID Mouser Part # 595-OPA145ID	Texas Instruments	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDR Learn More about Texas Instruments ti opa145 opa2145 opa4125	Datasheet	2,469In Stock	$5.67 $4.29 $3.63 $3.46 View $3.33 $3.25 $3.24 $3.14 $3.07	Min.: 1 Mult.: 1
	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145ID OPA145IDR Texas Instruments 1: $5.46 4,162In Stock	Mfr. Part # OPA145IDR Mouser Part # 595-OPA145IDR	Texas Instruments	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145ID Learn More about Texas Instruments ti opa145 opa2145 opa4125	Datasheet	4,162In Stock	Cut Tape $5.46 $4.13 $3.79 $3.43 Reel $3.02 View $3.24 $3.21 $3.12 $2.88 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDGKR OPA145IDGKT Texas Instruments 1: $5.67 191In Stock	Mfr. Part # OPA145IDGKT Mouser Part # 595-OPA145IDGKT	Texas Instruments	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDGKR Learn More about Texas Instruments ti opa145 opa2145 opa4125	Datasheet	191In Stock	Cut Tape $5.67 $4.28 $3.93 $3.56 Reel $3.37 View $3.20 $3.07 $3.01 MouseReel Available	Min.: 1 Mult.: 1 : 250
	Precision Amplifiers Dual 5.5-MHz high sl ew rate low-noise A A 595-OPA2145IDGKR OPA2145IDGKT Texas Instruments 1: $7.72 133In Stock	Mfr. Part # OPA2145IDGKT Mouser Part # 595-OPA2145IDGKT	Texas Instruments	Precision Amplifiers Dual 5.5-MHz high sl ew rate low-noise A A 595-OPA2145IDGKR Learn More about Texas Instruments ti opa145 opa2145 opa4125	Datasheet	133In Stock	Cut Tape $7.72 $5.89 $5.43 $5.10 Reel $4.56 View $4.41 $4.33 $4.29 MouseReel Available	Min.: 1 Mult.: 1 : 250
	Operational Amplifiers - Op Amps Dual 5.5-MHz high sl ew rate low-noise OPA2145IDR Texas Instruments 1: $7.68 49In Stock 7,500Expected 2027-05-24	Mfr. Part # OPA2145IDR Mouser Part # 595-OPA2145IDR	Texas Instruments	Operational Amplifiers - Op Amps Dual 5.5-MHz high sl ew rate low-noise Learn More about Texas Instruments ti opa145 opa2145 opa4125	Datasheet	49In Stock 7,500Expected 2027-05-24	Cut Tape $7.68 $5.85 $5.40 $4.46 $4.26 Reel $3.86 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDBVT OPA145IDBVR Texas Instruments 1: $5.46 11,450Expected 2027-04-08	Mfr. Part # OPA145IDBVR Mouser Part # 595-OPA145IDBVR	Texas Instruments	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDBVT Learn More about Texas Instruments ti opa145 opa2145 opa4125	Datasheet	11,450Expected 2027-04-08	Cut Tape $5.46 $4.13 $3.79 $3.43 View Reel $2.94 $3.24 $3.21 $2.94 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDBVR OPA145IDBVT Texas Instruments 1: $5.67 25,926On Order	Mfr. Part # OPA145IDBVT Mouser Part # 595-OPA145IDBVT	Texas Instruments	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDBVR Learn More about Texas Instruments ti opa145 opa2145 opa4125	Datasheet	25,926On Order On Order Ship Dates Mfr. #: OPA145IDBVT Stock: 0 On Order: 176 Expected 2027-06-24 6,000 Expected 2027-07-05 19,750 Expected 2028-02-28 Factory Lead-Time: 26 Weeks	Cut Tape $5.67 $4.29 $3.95 $3.56 Reel $3.38 MouseReel Available	Min.: 1 Mult.: 1 : 250
	Precision Amplifiers Dual 5.5-MHz high sl ew rate low-noise A A 595-OPA2145IDGKT OPA2145IDGKR Texas Instruments 1: $7.62 2,475Expected 2026-11-09	Mfr. Part # OPA2145IDGKR Mouser Part # 595-OPA2145IDGKR	Texas Instruments	Precision Amplifiers Dual 5.5-MHz high sl ew rate low-noise A A 595-OPA2145IDGKT Learn More about Texas Instruments ti opa145 opa2145 opa4125	Datasheet	2,475Expected 2026-11-09	Cut Tape $7.62 $5.80 $5.34 $4.85 View Reel $4.08 $4.62 $4.55 $4.39 $4.08 MouseReel Available	Min.: 1 Mult.: 1 : 2,500