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  5. ADA4800


Features and Benefits

  • Download ADA4800-KGD Data Sheet. Available as Known Good Die and fully guaranteed to data sheet specifications.
  • Integrated active load and gain of 1 buffer
  • Very low buffer power consumption as low as 20 mW on chip
  • Power save feature to reduce active load current by GPO control
  • Fast settling time to 1%, 2 V step: 5 ns
  • High buffer speed
    • 400 MHz, −3 dB bandwidth
    • 415 V/μs slew rate
  • Adjustable buffer bandwidth
  • Push-pull output stage
  • Adjustable active load current
  • Small package: 1.6 mm × 1.6 mm × 0.55 mm

Product Details

The ADA4800 is a voltage buffer amplifier integrated with an active load. The buffer is a low power, high speed, low noise, high slew rate, fast settling, fixed gain of 1 monolithic amplifier for charge-coupled device (CCD) applications. For CCD applications, the active load current source (IAL) can load the open source CCD sensor outputs and the buffer can drive the AFE load. The active current load can also be switched off, to use the ADA4800 as just a unity gain buffer. The buffer consumes only 20 mW of static power. In applications where power savings is critical, the ADA4800 features a power save mode (see the Power Save Mode section), which further reduces the total current consumption. The bandwidth of the ADA4800 buffer is also fully adjustable through the IDRV pin.

The buffer of the ADA4800 employs a push-pull output stage architecture, providing drive current and maximum slew capability for both rising and falling signal transitions. At a 5 mA quiescent current setting, it provides 400 MHz, −3 dB bandwidth, which makes this buffer well suited for CCD sensors from machine vision to digital still camera applications.

The ADA4800 is ideal for driving the input of the Analog Devices, Inc., 12-bit and 14-bit high resolution analog front ends (AFE) such as the AD9928, AD9990, AD9920A, AD9923A, and AD997x family.

The versatility of the ADA4800 allows for seamless interfacing with many CCD sensors from various manufacturers.

The ADA4800 is designed to operate at supply voltages as low as 4 V and up to 17 V. It is available in a 1.6 mm × 1.6 mm × 0.55 mm, 6-lead LFCSP package and is rated to operate over the industrial temperature range of −40°C to +85°C.


  • CCD image sensor output buffer
  • Digital still cameras
  • Camcorders

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
ADA4800-KGD-WP Material Declaration Reliability Data CHIPS OR DIE
ADA4800ACPZ-R7 Material Declaration Reliability Data 6-Lead LFCSP (1.6mm x 1.6mm w/ EP)
ADA4800ACPZ-RL Material Declaration Reliability Data 6-Lead LFCSP (1.6mm x 1.6mm w/ EP)
Wafer Fabrication Data

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Evaluation Boards

Pricing displayed is based on 1-piece.

Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.