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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 (USD) 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: $2.07 1,690In Stock	Mfr. Part No. OPA145IDGKR Mouser Part No 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 $2.07 $1.83 Reel $1.82 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: $3.94 2,469In Stock	Mfr. Part No. OPA145ID Mouser Part No 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	$3.94 $2.98 $2.52 $2.40 View $2.31 $2.26 $2.25 $2.18 $2.13	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: $3.79 4,162In Stock	Mfr. Part No. OPA145IDR Mouser Part No 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 $3.79 $2.87 $2.63 $2.38 Reel $2.10 View $2.25 $2.23 $2.17 $2.00 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: $3.94 191In Stock	Mfr. Part No. OPA145IDGKT Mouser Part No 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 $3.94 $2.97 $2.73 $2.47 Reel $2.34 View $2.22 $2.13 $2.09 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: $5.36 133In Stock	Mfr. Part No. OPA2145IDGKT Mouser Part No 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 $5.36 $4.09 $3.77 $3.54 Reel $3.17 View $3.06 $3.01 $2.98 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: $5.33 49In Stock 7,500Expected 24/05/2027	Mfr. Part No. OPA2145IDR Mouser Part No 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 24/05/2027	Cut Tape $5.33 $4.06 $3.75 $3.10 $2.96 Reel $2.68 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: $3.79 11,450Expected 08/04/2027	Mfr. Part No. OPA145IDBVR Mouser Part No 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 08/04/2027	Cut Tape $3.79 $2.87 $2.63 $2.38 View Reel $2.04 $2.25 $2.23 $2.04 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: $3.94 25,926On Order	Mfr. Part No. OPA145IDBVT Mouser Part No 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. No: OPA145IDBVT Stock: 0 On Order: 176 Expected 24/06/2027 6,000 Expected 05/07/2027 19,750 Expected 28/02/2028 Factory Lead Time: 26 Weeks	Cut Tape $3.94 $2.98 $2.74 $2.47 Reel $2.35 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: $5.29 2,475Expected 09/11/2026	Mfr. Part No. OPA2145IDGKR Mouser Part No 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 09/11/2026	Cut Tape $5.29 $4.03 $3.71 $3.37 View Reel $2.83 $3.21 $3.16 $3.05 $2.83 MouseReel Available	Min.: 1 Mult.: 1 : 2,500