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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 (HKD) 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: HK$22.19 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 HK$22.19 HK$18.00 HK$16.85 HK$15.62 HK$15.37 Reel HK$15.29 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: HK$32.39 2,471In 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	2,471In Stock	HK$32.39 HK$24.50 HK$20.71 HK$19.73 View HK$18.99 HK$18.58 HK$18.50 HK$17.92 HK$17.51	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: HK$31.15 4,169In 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	4,169In Stock	Cut Tape HK$31.15 HK$23.59 HK$21.62 HK$19.56 Reel HK$17.26 View HK$18.50 HK$18.33 HK$17.84 HK$16.44 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: HK$32.39 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 HK$32.39 HK$24.41 HK$22.44 HK$20.30 Reel HK$19.23 View HK$18.25 HK$17.51 HK$17.18 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: HK$44.06 177In 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	177In Stock	Cut Tape HK$44.06 HK$33.62 HK$30.99 HK$29.10 Reel HK$26.06 View HK$25.15 HK$24.74 HK$24.50 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: HK$43.81 49In Stock 7,500Expected 24/5/2027	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 24/5/2027	Cut Tape HK$43.81 HK$33.37 HK$30.83 HK$25.48 HK$24.33 Reel HK$22.03 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: HK$31.15 11,450Expected 8/4/2027	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 8/4/2027	Cut Tape HK$31.15 HK$23.59 HK$21.62 HK$19.56 View Reel HK$16.77 HK$18.50 HK$18.33 HK$16.77 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: HK$32.39 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 24/6/2027 6,000 Expected 5/7/2027 19,750 Expected 28/2/2028 Factory Lead Time: 26 Weeks	Cut Tape HK$32.39 HK$24.50 HK$22.52 HK$20.30 Reel HK$19.32 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: HK$43.48 2,475Expected 9/11/2026	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 9/11/2026	Cut Tape HK$43.48 HK$33.13 HK$30.50 HK$27.70 View Reel HK$23.26 HK$26.39 HK$25.98 HK$25.07 HK$23.26 MouseReel Available	Min.: 1 Mult.: 1 : 2,500