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250MHz General Purpose Voltage Feedback Operational Amplifier

Model: AD8048

  • Wide Bandwidth, G = +2
  • Small Signal: 260 MHz
  • Large Signal (2 V p-p): 160 MHz
  • 5.8 mA Typical Supply Current
  • Low Distortion, (SFDR) Low Noise
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The AD8048 is very high speed and wide bandwidth amplifiers. The AD8048 is unity gain stable. The AD8048 which utilize a voltage feedback architecture, meet the requirements of many applications that previously depended on current feedback amplifiers. A proprietary circuit has produced an amplifier that combines many of the best characteristics of both current feedback and voltage feedback amplifiers. For the power (6.6mA max) the AD8048 exhibit fast and accurate pulse response (30ns to 0.01%) as well as extremely wide small signal and large signal bandwidth and low distortion. The AD8048 achieves -54dBc distortion at 20 and 250 MHz small signal and 130MHz large signal bandwidths. The AD8048 low distortion and cap load drive make the AD8048 ideal for buffering high speed ADCs. They are suitable for 12-bit/10 MSPS or 8-bit/60 MSPS ADCs. Additionally, the balanced high impedance inputs of the voltage feedback architecture allow maximum flexibility when designing active filters. The AD8048 are offered in industrial (-40°C to +85°C) temperature ranges and are available in 8-lead PDIP and SOIC packages.

  • Wide Bandwidth, G = +2
  • Small Signal: 260 MHz
  • Large Signal (2 V p-p): 160 MHz
  • 5.8 mA Typical Supply Current
  • Low Distortion, (SFDR) Low Noise
  • -66 dBc Typ @ 5 MHz
  • -54 dBc Typ @ 20 MHz
  • Drives 50 pF Capacitive Load
  • High Speed
  • Slew Rate 750 V/ microsecond
  • Settling 30 ns to 0.01%, 2 V Step
  • Applications:
  • Low power ADC input driver
  • Differential amplifiers
  • IF/RF amplifiers
  • Pulse amplifiers
  • Professional video
  • DAC current to voltage conversion
  • Baseband and video communications
  • Pin diode receivers
  • Active filters/integrators
 
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