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IH401A - QUAD Varafet Analog Switch

General Description

The IH401A is made up of 4 monolithically constructed combinations of varacitor type diode and a N-Channel JFET.

The JFET itself is very similar to the popular 2N4391, and the driver diode is specially designed, such that its capacitance is a strong function of the voltage across it.

Overview

Semiconductor April 1999 T UCT ROD ACEMEN 47 P E 7 T L 7 E P 42 OL RE 00-4 m OBS ENDED 8 1 s.

Key Features

  • rDS(ON) (Typ).
  • 35Ω.
  • ID(OFF) (Typ).
  • 10pA.
  • Switching Times (RL = 1kΩ) - tON.
  • 25ns - tOFF.
  • 75ns.
  • Built-In Overvoltage Protection.
  • . . . . ±25V.
  • Charge Injection Error (Typ) into 0.01µF Capacitor . . 3mV.