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OPA3680 Datasheet(PDF) 1 Page - Texas Instruments |
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OPA3680 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 22 page nternational 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/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132 ® OPA2680 ©1997 Burr-Brown Corporation PDS-1433C Printed in U.S.A. October, 1999 Dual Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable TM FEATURES q WIDEBAND +5V OPERATION: 220MHz (G = 2) q HIGH OUTPUT CURRENT: 150mA q OUTPUT VOLTAGE SWING: ±4.0V q HIGH SLEW RATE: 1800V/ µs q LOW SUPPLY CURRENT: 6.4mA/Ch. q LOW DISABLED CURRENT: 300 µA/Ch. q ENABLE/DISABLE TIME: 25ns/100ns APPLICATIONS q VIDEO LINE DRIVING q xDSL LINE DRIVER/RECEIVER q HIGH SPEED IMAGING CHANNELS q ADC BUFFERS q PORTABLE INSTRUMENTS q TRANSIMPEDANCE AMPLIFIERS q ACTIVE FILTERS Single-Supply, DC-Coupled, Single-to-Differential ADC Driver DESCRIPTION The OPA2680 represents a major step forward in unity gain stable, voltage feedback op amps. A new internal architecture provides slew rate and full power band- width previously found only in wideband current feed- back op amps. A new output stage architecture delivers high currents with a minimal headroom requirement. These combine to give exceptional single supply opera- tion. Using a single +5V supply, the OPA2680 can deliver a 1V to 4V output swing with over 100mA drive current and 150MHz bandwidth. This combination of features makes the OPA2680 an ideal RGB line driver or single supply ADC input driver. The OPA2680’s low 6.4mA/ch. supply current is pre- cisely trimmed at 25 °C. This trim, along with low tem- perature drift, guarantees lower maximum supply current than competing products. System power may be reduced further using the optional disable control pin (SO-14 package only). Leaving this disable pin open, or holding it high, will operate the OPA2680N normally. If pulled low, the OPA2680N supply current drops to less than 600 µA while the output goes into a high impedance state. 1/2 OPA2680 1/2 OPA2680 +5V 50 Ω VIN 0V to +1V 1.5k Ω 1.5k Ω 50 Ω 1.6k Ω 1.6k Ω 3.2k Ω 800 Ω 400 Ω 400 Ω 50 Ω 200 Ω 0.1 µF IN +3.5V 0.1 µF +1.5V +5V 10pF 10pF Clock IN 0.1 µF +2.5V +1.5V REFT REFB ADS822 10-Bit 40MSPS 2.5V CM ±1V DIFF OPA2680 RELATED PRODUCTS SINGLES DUALS TRIPLES Voltage Feedback OPA680 OPA2680 OPA3680 Current Feedback OPA681 OPA2681 OPA3681 Fixed Gain OPA682 OPA2682 OPA3682 OPA2680 OPA2680 SBOS086 |
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