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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 (KRW) 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: ₩6,162 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 ₩6,162 ₩4,602 ₩4,212 ₩3,775.2 Reel ₩3,198 View ₩3,572.4 ₩3,478.8 ₩3,307.2 ₩3,135.6 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: ₩6,146.4 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	₩6,146.4 ₩4,648.8 ₩3,931.2 ₩3,744 View ₩3,603.6 ₩3,525.6 ₩3,510 ₩3,400.8 ₩3,322.8	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: ₩5,912.4 4,156In 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	4,156In Stock	Cut Tape ₩5,912.4 ₩4,477.2 ₩4,102.8 ₩3,712.8 View Reel ₩3,229.2 ₩3,510 ₩3,478.8 ₩3,385.2 ₩3,229.2 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: ₩6,162 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 ₩6,162 ₩4,633.2 ₩4,258.8 ₩3,837.6 Reel ₩3,650.4 View ₩3,619.2 ₩3,400.8 ₩3,322.8 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: ₩8,283.6 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 ₩8,283.6 ₩6,302.4 ₩5,818.8 ₩5,600.4 Reel ₩4,742.4 ₩4,726.8 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: ₩7,332 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 ₩7,332 ₩5,569.2 ₩5,116.8 ₩4,539.6 ₩4,321.2 Reel ₩3,962.4 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: ₩5,912.4 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 ₩5,912.4 ₩4,461.6 ₩4,102.8 ₩3,697.2 Reel ₩3,432 View ₩3,322.8 ₩3,198 ₩3,135.6 ₩3,104.4 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: ₩5,226 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 ₩5,226 ₩3,931.2 ₩3,603.6 ₩3,244.8 View Reel ₩2,776.8 ₩3,073.2 ₩3,026.4 ₩2,776.8 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: ₩7,456.8 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 ₩7,456.8 ₩5,647.2 ₩5,194.8 ₩4,695.6 View Reel ₩4,180.8 ₩4,446 ₩4,430.4 ₩4,321.2 ₩4,180.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,500