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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: $3.95 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 $3.95 $2.95 $2.70 $2.42 Reel $2.05 View $2.29 $2.23 $2.12 $2.01 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-OPA145ID OPA145IDR Texas Instruments 1: $3.79 4,663In 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	4,663In Stock	Cut Tape $3.79 $2.87 $2.63 $2.38 View Reel $2.07 $2.25 $2.23 $2.17 $2.07 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 2,485In 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	$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-OPA145IDGKR OPA145IDGKT Texas Instruments 1: $3.95 241In 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	241In Stock	Cut Tape $3.95 $2.97 $2.73 $2.46 Reel $2.34 View $2.32 $2.18 $2.13 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: $5.31 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 $5.31 $4.04 $3.73 $3.59 Reel $3.04 $3.03 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: $4.70 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 3/22/2027 5,000 Expected 3/25/2027 Factory Lead-Time: 12 Weeks	Cut Tape $4.70 $3.57 $3.28 $2.91 $2.77 Reel $2.54 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: $3.79 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 2/8/2027 6,000 Expected 4/2/2027 19,750 Expected 2/28/2028 Factory Lead-Time: 12 Weeks	Cut Tape $3.79 $2.86 $2.63 $2.37 Reel $2.20 View $2.13 $2.05 $2.01 $1.99 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: $3.35 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 3/4/2027 9,000 Expected 3/22/2027 Factory Lead-Time: 20 Weeks	Cut Tape $3.35 $2.52 $2.31 $2.08 View Reel $1.78 $1.97 $1.94 $1.78 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: $4.78 2,475Expected 11/16/2026	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 11/16/2026	Cut Tape $4.78 $3.62 $3.33 $3.01 View Reel $2.68 $2.85 $2.84 $2.77 $2.68 MouseReel Available	Min.: 1 Mult.: 1 : 2,500