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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 (CLP) 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: $4.500 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 $4.500 $3.361 $3.076 $2.757 Reel $2.336 View $2.609 $2.541 $2.415 $2.290 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: $4.489 2.485In 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	2.485In Stock	$4.489 $3.395 $2.871 $2.734 View $2.632 $2.575 $2.563 $2.484 $2.427	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: $4.318 4.779In 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	4.779In Stock	Cut Tape $4.318 $3.270 $2.996 $2.711 View Reel $2.358 $2.563 $2.541 $2.472 $2.358 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: $4.500 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 $4.500 $3.384 $3.110 $2.803 Reel $2.666 View $2.643 $2.484 $2.427 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: $6.050 170In 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	170In Stock	Cut Tape $6.050 $4.603 $4.249 $4.090 Reel $3.463 $3.452 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: $5.355 49In Stock 7.500On Order	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 7.500On Order On Order Ship Dates Mfr. #: OPA2145IDR Stock: 49 Can Ship Immediately On Order: 2.500 Expected 3/15/2027 5.000 Expected 3/18/2027 Factory Lead-Time: 12 Weeks	Cut Tape $5.355 $4.067 $3.737 $3.315 $3.156 Reel $2.894 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-OPA145IDBVR OPA145IDBVT Texas Instruments 1: $4.318 28.426On 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	28.426On Order On Order Ship Dates Mfr. #: OPA145IDBVT Stock: 0 On Order: 2.676 Expected 2/1/2027 6.000 Expected 3/26/2027 19.750 Expected 2/28/2028 Factory Lead-Time: 12 Weeks	Cut Tape $4.318 $3.258 $2.996 $2.700 Reel $2.506 View $2.427 $2.336 $2.290 $2.267 MouseReel Available	Min.: 1 Mult.: 1 : 250
	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDBVT OPA145IDBVR Texas Instruments 1: $3.817 12.000On Order	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	12.000On Order On Order Ship Dates Mfr. #: OPA145IDBVR Stock: 0 On Order: 3.000 Expected 2/25/2027 9.000 Expected 3/22/2027 Factory Lead-Time: 20 Weeks	Cut Tape $3.817 $2.871 $2.632 $2.370 View Reel $2.028 $2.244 $2.210 $2.028 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
	Precision Amplifiers Dual 5.5-MHz high sl ew rate low-noise A A 595-OPA2145IDGKT OPA2145IDGKR Texas Instruments 1: $5.446 2.475Expected 11/9/2026	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 11/9/2026	Cut Tape $5.446 $4.124 $3.794 $3.429 View Reel $3.053 $3.247 $3.236 $3.156 $3.053 MouseReel Available	Min.: 1 Mult.: 1 : 2.500