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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: $2.20 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 $2.20 $1.84 $1.75 $1.70 Reel $1.69 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: $3.35 7,425In 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	7,425In Stock	Cut Tape $3.35 $2.51 $2.31 $2.08 Reel $1.78 View $1.97 $1.94 $1.92 $1.75 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: $3.79 694In Stock 1,725Expected 01/10/2026	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	694In Stock 1,725Expected 01/10/2026	$3.79 $2.86 $2.42 $2.30 View $2.22 $2.16 $2.15 $2.04 $2.02	Min.: 1 Mult.: 1
	Operational Amplifiers - Op Amps Single 5.5-MHz hig h slew rate low-noi A A 595-OPA145IDBVR OPA145IDBVT Texas Instruments 1: $3.94 69In Stock 29,250On 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	69In Stock 29,250On Order On Order Ship Dates Mfr. No: OPA145IDBVT Stock: 69 Can Dispatch Immediately On Order: 3,500 Expected 01/02/2027 6,000 Expected 29/04/2027 19,750 Expected 21/02/2028 Factory Lead Time: 9 Weeks	Cut Tape $3.94 $2.94 $2.69 $2.42 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-OPA145IDGKR OPA145IDGKT Texas Instruments 1: $3.79 241In 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	241In Stock	Cut Tape $3.79 $2.86 $2.63 $2.37 Reel $2.24 View $2.13 $2.05 $2.01 $1.99 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: $5.14 170In 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	170In Stock	Cut Tape $5.14 $3.91 $3.61 $3.27 Reel $3.03 View $2.93 $2.88 $2.85 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: $4.60 56In Stock 5,000On Order	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	56In Stock 5,000On Order On Order Ship Dates Mfr. No: OPA2145IDR Stock: 56 Can Dispatch Immediately On Order: 2,500 Expected 13/11/2026 2,500 Expected 15/03/2027 Factory Lead Time: 9 Weeks	Cut Tape $4.60 $3.50 $3.22 $2.91 View Reel $2.52 $2.77 $2.68 $2.52 Quote 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: $3.44 12,000On Order	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	12,000On Order On Order Ship Dates Mfr. No: OPA145IDBVR Stock: 0 On Order: 3,000 Expected 25/02/2027 9,000 Expected 22/03/2027 Factory Lead Time: 16 Weeks	Cut Tape $3.44 $2.57 $2.36 $2.08 Reel $1.77 View $1.97 $1.94 $1.89 $1.76 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 2,500Expected 12/11/2026	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	2,500Expected 12/11/2026	Cut Tape $4.78 $3.62 $3.33 $3.01 View Reel $2.60 $2.85 $2.84 $2.68 $2.60 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500