Features and Benefits

  • Single-ended-to-differential conversion
  • Low distortion (VO, dm = 40 V p-p)
    • −99 dBc HD at 100 kHz
  • Low differential output referred noise: 12 nV/√Hz
  • High input impedance: 11 MΩ
  • Fixed gain of 2
    • No external gain components required
  • Low output-referred offset voltage: 1.1 mV maximum
  • Low input bias current: 3.5 μA maximum
  • Wide supply range
    • 5 V to 26 V
    • Can produce differential output signals in excess of 40 V p-p
  • High speed
    • 38 MHz, −3 dB bandwidth at 0.2 V p-p differential output
  • Fast settling time
    • 200 ns to 0.01% for 12 V step on ±5 V supplies
  • Disable feature
  • Available in space-saving, thermally enhanced packages
    • 8-lead, 3 mm × 3 mm LFCSP
    • 8-lead SOIC
  • Low supply current: IS = 10 mA on ±12 V supplies

Product Details

The ADA4922-1 is a differential driver for 16-bit to 18-bit analog-to-digital converters (ADCs) that have differential input ranges up to ±20 V. Configured as an easy-to-use, single-ended-to-differential amplifier, the ADA4922-1 requires no external components to drive ADCs. The ADA4922-1 provides essential benefits such as low distortion and high SNR that are required for driving ADCs with resolutions up to 18 bits.

With a wide supply voltage range (5 V to 26 V), high input impedance, and fixed differential gain of 2, the ADA4922-1 is designed to drive ADCs found to in a variety of applications, including industrial instrumentation.

The ADA4922-1 is manufactured on Analog Devices, Inc., proprietary, second-generation XFCB process that enables the amplifier to achieve excellent noise and distortion performance on high supply voltages.

The ADA4922-1 is available in an 8-lead 3 mm × 3 mm LFCSP as well as an 8-lead SOIC package. Both packages are equipped with an exposed paddle for more efficient heat transfer. The ADA4922-1 is rated to work over the extended industrial temperature range, −40°C to +85°C.


  • High voltage data acquisition systems
  • Industrial instrumentation
  • Spectrum analysis
  • ATE
  • Medical instruments

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.

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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.