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LMH6503 - Linear Variable Gain Amplifier

General Description

The LMH™6503 is a wideband, DC coupled, differential input, voltage controlled gain stage followed by a high-speed current feedback Op Amp which can directly drive a low impedance load.

Gain adjustment range is more than 70dB for up to 10MHz.

Maximum gain is set by external components and the gain can be reduced all the way to cut-off.

Overview

LMH6503 www.ti.com SNOSA78E – OCTOBER 2003 – REVISED APRIL 2013 LMH6503 Wideband, Low Power, Linear Variable Gain Amplifier Check for Samples:.

Key Features

  • 1.
  • 23 VS = ±5V, TA = 25°C, RF = 1kΩ, RG = 174Ω, RL = 100Ω, AV = AV(MAX) = 10, Typical Values Unless Specified.
  • -3dB BW 135MHz.
  • Gain Control BW 100MHz.
  • Adjustment Range (Typical Over Temp) 70dB.
  • Gain Matching (Limit) ±0.7dB.
  • Slew Rate 1800V/µs.
  • Supply Current (No Load) 37mA.
  • Linear Output Current ±75mA.
  • Output Voltage (RL = 100Ω) ±3.2V.
  • Input Voltage Noise 6.6nV/√Hz.
  • Input Current Noise 2.4pA/√Hz.