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AD8056:  LOW COST, DUAL, 300 MHZ VOLTAGE FEEDBACK AMPLIFIER

The AD8056 (dual) voltage feedback amplifier offers bandwidth and slew rate typically found in current feedback amplifiers. Additionally, this amplifier is easy to use and available at a very low cost.

Despite its low cost, the AD8056 provides excellent overall performance. For video applications, its differential gain and phase error is 0.01% and 0.02° into a 150 Ω load, and 0.02% ...More

AD8056:  LOW COST, DUAL, 300 MHZ VOLTAGE FEEDBACK AMPLIFIER

Product Description

The AD8056 (dual) voltage feedback amplifier offers bandwidth and slew rate typically found in current feedback amplifiers. Additionally, this amplifier is easy to use and available at a very low cost.

Despite its low cost, the AD8056 provides excellent overall performance. For video applications, its differential gain and phase error is 0.01% and 0.02° into a 150 Ω load, and 0.02% and 0.1° while driving four video loads (37.50 Ω).

Its 0.1 dB flatness out to 40 MHz, wide bandwidth out to 300 MHz, along with 1400 V/µs slew rate and 20 ns settling time, make them useful for a variety of high-speed applications.

The AD8056 requires only 5 mA typ/amplifier of supply current and operates on a dual ±5 V or single +12 V power supply, while capable of delivering over 60 mA of load current. The AD8056 is available in a small 8-lead PDIP, 8-lead SOIC, and 8-lead MSOP packages. These features make the AD8056 ideal for portable and battery powered applications where size and power are critical. This amplifier in the R-8, N-8 and RM-8 packages are available in the extended temperature range of -40°C to +125°C.

AD8055 (Single) PDIP-8, SOIC-8 and SOT-23-5

AD8056 (Dual) PDIP-8, SOIC-8 and MSOP-8

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EVALUATION BOARDS & DEVELOPMENT KITS

  • Low cost
  • Easy to use voltage feedback architecture
  • High speed
    300 MHz, -3 dB bandwidth (G = +1)
    1400 V/µs slew rate
    20 ns settling to 0.1%
    Low distortion: -72 dBc @ 10 MHz
    Low noise: 6 nV/√Hz
    Low dc rrrors: 5mV max VOS, 1.2 µA max IB
  • Small packaging
  • High output drive current: over 60 mA
  • Excellent video specifications
    (RL = 150 Ω, G = +2)
    Gain flatness 0.1 dB to 40 MHz
    0.01% differential gain error
    0.02° differential phase error
  • Drives 4 video loads (37.5 V) with 0.02% differential gain and 0.1° differential phase
  • Low power, ±5 V supplies 5 mA typ/amplifier power supply current
  • V or I Feedback: Voltage
  • Min Stable Acl: 1V/V
  • Packages: DIP,SOIC,SOP
  • Rail-Rail Out: No
  • Slew Rate: 1.4kV/µs
  • -3dB Bandwidth: 300MHz
  • Supply Current : 12mA
  • THD (-dB): 72dB
  • Type: BiPolar,Video
  • Vcc-Vee: 8V to 12V
  • Input Noise (nV/rtHz): 6nV/rtHz

Pin Configuration Diagram for AD8056

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For detailed drawings and chemical composition please consult our  Package Site

Pin Count
Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

Temperature Range
This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
  • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
  • Automotive: -40 to +125 degrees Celsius
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*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.