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LTC6400-14 - Low Distortion Differential ADC Driver

Description

The LTC®6400-14 is a high-speed differential amplifier targeted at processing signals from DC to 300MHz.

The part has been specifically designed to drive 12-, 14- and 16-bit ADCs with low noise and low distortion, but can also be used as a general-purpose broadband gain block.

Features

  • n n n n n n n n n n n n n n n 2.4GHz.
  • 3dB Bandwidth Fixed Gain of 5V/V (14dB).
  • 97dBc IMD3 at 70MHz (Equivalent OIP3 = 52.4dBm).
  • 66dBc IMD3 at 300MHz (Equivalent OIP3 = 36.9dBm) 1.1nV/√Hz Internal Op Amp Noise 2.5nV/√Hz Total Input Noise 7.5dB Noise Figure Differential Inputs and Outputs 200Ω Input Impedance 2.85V to 3.5V Supply Voltage 85mA Supply Current (255mW) 1V to 1.6V Output Common Mode Voltage, Adjustable DC- or AC-Coupled Operation Max Differential Output Swing 4.

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www.DataSheet4U.com LTC6400-14 2.4GHz Low Noise, Low Distortion Differential ADC Driver for 300MHz IF DESCRIPTION The LTC®6400-14 is a high-speed differential amplifier targeted at processing signals from DC to 300MHz. The part has been specifically designed to drive 12-, 14- and 16-bit ADCs with low noise and low distortion, but can also be used as a general-purpose broadband gain block. The LTC6400-14 is easy to use, with minimal support circuitry required. The output common mode voltage is set using an external pin, independent of the inputs, which eliminates the need for transformers or AC-coupling capacitors in many applications. The gain is internally fixed at 14dB (5V/V). The LTC6400-14 saves space and power compared to alternative solutions using IF gain blocks and transformers.
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