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OPA644 Fiches technique(PDF) 1 Page - Burr-Brown (TI) |
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OPA644 Fiches technique(HTML) 1 Page - Burr-Brown (TI) |
1 / 13 page 1 ® OPA644 Comp 2 6 3 Comp Gain Stage In– In+ V OUT I BIAS I BIAS +V S –V S 4, 5 7, 8 Gain Stage Buffer Low Distortion Current Feedback OPERATIONAL AMPLIFIER DESCRIPTION The OPA644 is a wideband precision current feed- back operational amplifier featuring exceptionally high open loop transimpedance and high slew rate. The current feedback architecture allows for excellent large signal bandwidth, even at high gains. The high transimpedance allows this op amp to be used in applications requiring 16 bits or more of accuracy. This extra transimpedance at high bandwidths gives very low distortion and low differential gain and phase errors. The high slew rate and well-behaved pulse response allow for superior large signal ampli- fication in a variety of RF, video and other signal processing applications. Fabricated on an advanced complementary bipolar process, the OPA644 offers exceptional performance in monolithic form. APPLICATIONS q HIGH-SPEED SIGNAL PROCESSING q HIGH-RESOLUTION VIDEO q PULSE AMPLIFICATION q COMMUNICATIONS q ADC/DAC GAIN AMPLIFIER q RF AMPLIFICATION q MEDICAL IMAGING q AUDIO AMPLIFICATION FEATURES q SLEW RATE: 2500V/ µs q VERY LOW DIFFERENTIAL GAIN/PHASE ERROR: 0.008%/0.009 ° q LOW DISTORTION AT 5MHz: –85dBc q HIGH BANDWIDTH: 500MHz q HIGH OPEN LOOP TRANSIMPEDANCE: 2.0M Ω q HIGH LINEARITY q FAST 12-BIT SETTLING: 21ns to 0.01% q UNITY-GAIN STABLE 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 ® OPA644 OPA644 ©1993 Burr-Brown Corporation PDS-1187D Printed in U.S.A. March, 1998 |
Numéro de pièce similaire - OPA644 |
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Description similaire - OPA644 |
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