(PDF) NJU7664 Datasheet - VOLTAGE CONVERTER

Número de pieza	NJU7664
Descripción	VOLTAGE CONVERTER
Fabricantes	New Japan Radio
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No Preview Available ! www.DataSheet4U.com NJU7664 VOLTAGE CONVERTER FOR GaAs FET PRELIMINARY ■ GENERAL DESCRIPTION The NJU7664 is a voltage converter for GaAs FET, which contains CR oscillation circuit and dual operational amplifiers. The voltage converter is a circuit operated by the charge pumping system, and it generates the negative voltage from the positive power supply. Furthermore the charge pumping capacitor is incorporated. Both of two operational amplifiers with the gain resistance which is set up at -OdB output the negative voltage by the inverted input voltage. The NJU7664 realizes to operate the GaAs FET requiring the negative gate biassing. ■ PACKAGE OUTLINE NJU7664R ■ FEATURES • Voltage Converter Operated With The Charge Pumping System • Charge Pump Capacitor Incorporated • CR Oscillation Circuit Incorporated • Wide Operating Voltage • Output Voltage • Low Operating Current • Stand-by Function VDD = 2.7V to 5.2V 0 to -4.0V (VDD = 5.2V) 1.25mA MAX(VDD = 2.7V) • C-MOS Technology • Package Outline VSP-8 ■ PIN CONFIGURATION ■ BLOCK DIAGRAM Ver.2003-07-18 -1- 1 page

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PDF NJU7664 Data sheet ( Hoja de datos )