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OPA3691 데이터시트(PDF) 1 Page - Burr-Brown (TI) |
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OPA3691 데이터시트(HTML) 1 Page - Burr-Brown (TI) |
1 / 25 page Triple Wideband, Current-Feedback OPERATIONAL AMPLIFIER With Disable FEATURES q FLEXIBLE SUPPLY RANGE: +5V to +12V Single-Supply ±2.5V to ±6V Dual Supply q UNITY-GAIN STABLE: 280MHz (G = 1) q HIGH OUTPUT CURRENT: 190mA q OUTPUT VOLTAGE SWING: ±4.0V q HIGH SLEW RATE: 2100V/ µs q LOW SUPPLY CURRENT: 5.1mA/ch q LOW DISABLED CURRENT: 150 µA/ch q IMPROVED HIGH-FREQUENCY PINOUT q WIDEBAND +5V OPERATION: 190MHz (G = +2) APPLICATIONS q RGB AMPLIFIERS q WIDEBAND INA q BROADBAND VIDEO BUFFERS q HIGH-SPEED IMAGING CHANNELS q PORTABLE INSTRUMENTS q ADC BUFFERS q ACTIVE FILTERS q CABLE DRIVERS DESCRIPTION The OPA3691 sets a new level of performance for broad- band, triple current-feedback op amps. Operating on a very low 5.1mA/ch supply current, the OPA3691 offers a slew rate and output power normally associated with a much higher supply current. A new output stage architecture delivers a high output current with minimal voltage head- room and crossover distortion. This gives exceptional single- supply operation. Using a single +5V supply, the OPA3691 can deliver a 1V to 4V output swing with over 120mA drive current and 150MHz bandwidth. This combination of fea- tures makes the OPA3691 an ideal RGB line driver or single-supply Analog-to-Digital Converter (ADC) input driver. The OPA3691’s low 5.1mA/ch supply current is precisely trimmed at 25 °C. This trim, along with low drift over tem- perature, ensures lower maximum supply current than com- peting products. System power may be further reduced by using the optional disable control pin. Leaving this disable pin open, or holding it HIGH, gives normal operation. If pulled LOW, the OPA3691 supply current drops to less than 150 µA/ch while the output goes into a high impedance state. This feature may be used for power savings. OPA3691 SBOS227A – DECEMBER 2001 – REVISED OCTOBER 2002 www.ti.com Copyright © 2001, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. OPA3691 RELATED PRODUCTS SINGLES DUALS TRIPLES Voltage-Feedback OPA690 OPA2690 OPA3690 Current-Feedback OPA691 OPA2691 OPA3681 Fixed Gain OPA692 — OPA3692 66.5 Ω High-Speed INA (120MHz) 499 Ω 499 Ω 301 Ω 301 Ω 1/3 OPA3691 1/3 OPA3691 1/3 OPA3691 V 1 10 (V 1 – V2) V 2 +5V –5V +5V –5V +5V –5V 250 Ω 250 Ω OPA369 1 OPA3691 PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. 25 20 15 10 5 0 Frequency (MHz) HIGH-SPEED INA FREQUENCY RESPONSE 0.1 1 10 100 400 |
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