ADA4870: HIGH SPEED, HIGH VOLTAGE, 1 A OUTPUT DRIVE AMPLIFIER

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ADA4870: HIGH SPEED, HIGH VOLTAGE, 1 A OUTPUT DRIVE AMPLIFIER

The ADA4870 is a unity gain stable, high-speed current feedback amplifier capable of delivering 1A of continuous output current from a 40V supply. Manufactured on ADI’s proprietary high voltage XFCB process, the innovative architecture of the ADA4870 enables high performance signal processing solutions in a variety of demanding applications.

The ADA4870 is ideal for driving the gate of high voltage Power FETs, Piezo transducers, PIN diodes, CCD panels and a variety of other demanding applications that require wide dynamic range from high supply voltage and high current output.

The ADA4870 is available in a Power SOIC package (PSOP), featuring an exposed thermal slug that provides high thermal conductivity enabling efficient heat transfer for improved reliability in demanding environments . The ADA4870 operates over the industrial temperature range (−40°C to +85°C) at maximum performance when appropriate thermal management techniques are applied.

APPLICATIONS

      • BTS Envelope Tracking
      • Power FET driver
      • Ultrasound
      • Piezo Driver
      • Waveform Generation
      • ATE
      • CCD Panel Driver

 

 

 

FEATURES AND BENEFITS

    • Ideal for driving high capacitive or heavy resistive loads
    • Wide supply range: 10 V to 40 V
    • High output current drive: 1A
    • Wide output voltage swing: 37 V swing with 40 V supply
    • Large signal −3dB BW: 45 MHz (VOUT = 20 V p-p, 300 pF load)
    • High slew rate: 2500 V/μs (peak)
    • Low Noise: 3nV/√Hz
    • Supply current: 34 mA
    • Power down (800 μA)
    • Short-circuit current protection
    • Current limit: 1.2 A
    • Thermal overload protection & flag

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