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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: $3.76 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 $3.76 $3.00 $2.81 $2.61 $2.53 Reel $2.52 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: $4.82 7,425In 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	7,425In Stock	Cut Tape $4.82 $3.61 $3.33 $3.00 Reel $2.56 View $2.84 $2.79 $2.76 $2.52 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: $5.46 694In Stock 1,725Expected 2026-10-01	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	694In Stock 1,725Expected 2026-10-01	$5.46 $4.12 $3.48 $3.31 View $3.20 $3.11 $3.10 $2.94 $2.91	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: $5.67 69In Stock 29,250On 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	69In Stock 29,250On Order On Order Ship Dates Mfr. #: OPA145IDBVT Stock: 69 Can Ship Immediately On Order: 3,500 Expected 2027-02-01 6,000 Expected 2027-04-29 19,750 Expected 2028-02-21 Factory Lead-Time: 9 Weeks	Cut Tape $5.67 $4.23 $3.87 $3.48 Reel $3.17 View $3.07 $2.95 $2.89 $2.87 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: $5.46 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 $5.46 $4.12 $3.79 $3.41 Reel $3.23 View $3.07 $2.95 $2.89 $2.87 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: $7.40 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 $7.40 $5.63 $5.20 $4.71 Reel $4.36 View $4.22 $4.15 $4.10 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: $6.62 56In Stock 5,000On 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	56In Stock 5,000On Order On Order Ship Dates Mfr. #: OPA2145IDR Stock: 56 Can Ship Immediately On Order: 2,500 Expected 2026-11-13 2,500 Expected 2027-03-15 Factory Lead-Time: 9 Weeks	Cut Tape $6.62 $5.04 $4.64 $4.19 View Reel $3.63 $3.99 $3.86 $3.63 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: $4.95 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 2027-02-25 9,000 Expected 2027-03-22 Factory Lead-Time: 16 Weeks	Cut Tape $4.95 $3.70 $3.40 $3.00 Reel $2.55 View $2.84 $2.79 $2.72 $2.53 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: $6.88 2,500Expected 2026-11-12	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	2,500Expected 2026-11-12	Cut Tape $6.88 $5.21 $4.80 $4.33 View Reel $3.74 $4.10 $4.09 $3.86 $3.74 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500