ADA4899-1:  Unity-Gain Stable, Ultralow Distortion, 1 nV/√Hz Voltage Noise, High Speed Op Amp

The ADA4899-1 is an ultralow noise (1 nV/√Hz) and distortion (<−117 dBc @1 MHz) unity-gain stable voltage feedback op amp, the combination of which makes it ideal for 16-bit and 18-bit systems. The ...More

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ADA4899-1:  Unity-Gain Stable, Ultralow Distortion, 1 nV/√Hz Voltage Noise, High Speed Op Amp

Product Description

The ADA4899-1 is an ultralow noise (1 nV/√Hz) and distortion (<−117 dBc @1 MHz) unity-gain stable voltage feedback op amp, the combination of which makes it ideal for 16-bit and 18-bit systems. The ADA4899-1 features a linear, low noise input stage and internal compensation that achieves high slew rates and low noise even at unity gain. The Analog Devices, Inc. proprietary next-generation XFCB process and innovative circuit design enable such high performance amplifiers.

The ADA4899-1 drives 100 Ω loads at breakthrough performance levels with only 15 mA of supply current. With the wide supply voltage range (4.5 V to 12 V), low offset voltage (230 μV maxi-mum), wide bandwidth (600 MHz), and slew rate (310 V/μs), the ADA4899-1 is designed to work in the most demanding applications. The ADA4899-1 also features an input bias current cancellation mode that reduces input bias current by a factor of 60.

The ADA4899-1 is available in a 3 mm × 3 mm LFCSP and an 8-lead SOIC package. Both packages feature an exposed metal paddle that improves heat transfer to the ground plane, which is a significant improvement over traditional plastic packages. The ADA4899-1 is rated to work over the extended industrial temperature range, −40°C to +125°C.

Applications

  • Analog-to-digital drivers
  • Instrumentation
  • Filters
  • IF and baseband amplifiers
  • DAC buffers
  • Optical electronics

    • Data Sheet, Rev. B, 6/07

    Features

    • Unity-gain stable
    • Ultralow noise: 1 nV/√Hz, 2.6 pA/√Hz
    • Ultralow distortion −117 dBc at 1 MHz
    • High speed
      −3 dB bandwidth: 600 MHz (G = +1)
      Slew rate: 310 V/μs
    • Offset voltage: 230 μV maximum
    • Low input bias current: 100 nA
    • Wide supply voltage range: 5 V to 12 V
    • Supply current: 14.7 mA
    • High performance pinout
    • Disable mode

    Diagrams

    • Enlarge
    • Symbols and Footprints
    ADA4899-1 Diagram
    Pin Configuration Diagram for ADA4899-1

    Specifications

    -3dB Bandwidth 600MHz
    Slew Rate 310V/µs
    Vos 35µV
    Ib 0.1µA
    Input Noise (nV/rtHz) 1nV/rtHz
    Vcc-Vee Supply (V) 4.5 to 12
    Iq per Amplifier (max) 16.2mA
    # OpAmps per Pkg 1
    Operating Temp Range -40 to +125
    Packages CSP,SOIC

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    Part# Small Signal Bandwidth Slew Rate Vos Ib V Noise Density Amplifiers Per Package Widest Temp Range (°C)
    ADA4899-1 600MHz 310V/µs 35µV 100nA 1nV/rtHz 1 -40 to +125
    AD8099 500MHz 1.6KV/µs 200µV 3µA 950pV/rtHz 1 -40 to +125
    ADA4898-1 65MHz 55V/µs 20µV 100nA 900pV/rtHz 1 -40 to +105
    AD8605 10MHz 5V/µs 20µV 200fA 6.5nV/rtHz 1 -40 to +125
    AD8671 10MHz 4V/µs 20µV 3nA 2.8nV/rtHz 1 -40 to +125
    AD8675 10MHz 2.5V/µs 10µV 500pA 2.8nV/rtHz 1 -40 to +125
    AD8661 4MHz 3.5V/µs 30µV 300fA 12nV/rtHz 1 -40 to +125