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OPA642UB Datasheet(PDF) 1 Page - Texas Instruments |
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OPA642UB Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page ® OPA642 1 10MSPS clk 402 Ω 24 Ω 1Vp-p 5MHz OPA642 100pF REFT +5V REFB ADS804 12-Bit 10MSPS Measured 80dB SFDR Analog Input 402 Ω 0.1µF 0.1µF 5k Ω High Dynamic Range 10MSPS Digitizer 5k Ω 0.1µF 2Vp-p +5V –5V International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111 Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132 Wideband, Low Distortion, Low Gain OPERATIONAL AMPLIFIER APPLICATIONS q ADC/DAC BUFFER AMPLIFIER q LOW DISTORTION IF AMPLIFIER q HIGH RESOLUTION IMAGING q MEDICAL IMAGING q LOW NOISE PREAMPLIFIER q HIGH CMR DIFFERENCING AMPLIFIER q TEST INSTRUMENTATION q PROFESSIONAL AUDIO FEATURES q LOW DISTORTION: –95dBc at 5MHz q GAIN OF +1 BANDWIDTH: 400MHz q AVAILABLE IN SOT23-5 PACKAGE q HIGH OPEN LOOP GAIN: 95dB q HIGH COMMON-MODE REJECTION: 90dB q FAST 12-BIT SETTLING: 13ns (0.01%) q LOW NOISE: 2.7nV/ √Hz q HIGH OUTPUT CURRENT: ±60mA q VERY LOW DIFF GAIN/PHASE ERROR: 0.007%/0.008 ° ® OPA642 OPA642 OPA658 OPA642 DESCRIPTION The OPA642 provides a level of speed and dynamic range previously unattainable in a monolithic op amp. Using a unity gain stable voltage feedback architec- ture with two internal gain stages, the OPA642 achieves exceptionally low harmonic distortion over a wide frequency range. The “classic” differential input pro- vides all the familiar benefits of precision op amps, such as bias current cancellation and very low invert- ing current noise compared with wideband current feedback op amps. Fast settling time, excellent differ- ential gain/phase performance, low voltage noise and high output current drive make the OPA642 ideal for most high dynamic range applications. Unity gain stability makes the OPA642 particularly suitable for low gain differential amplifiers, transimpedance amplifiers, gain of +2 video line driv- ers, wideband integrators and low distortion ADC buff- ers. Where higher gain or even lower harmonic distor- tion is required, consider the OPA643—a higher gain- bandwidth and lower noise version of the OPA642 ©1993 Burr-Brown Corporation PDS-1190F Printed in U.S.A. February, 1998 SBOS024 |
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