产品详情

普诚原装现货 PT4450 OOK/ASK发射机IC

DESCRIPTION

PT4450 is a high performance OOK/ASK transmitterfor the Remote Keyless Entry (RKE) systems. Itconsists of a SAW oscillator, power amplifier, andone-shot circuit which control the SAW oscillator andpower amplifier.

FEATURES

● Highly integrated OOK/ASK transmitter

● High output power, 3V/+ 10dBm/18mA

● Low supply voltage (2.2V to 3.6V operation range)

● Low external component cost

● SAW-based oscillator, frequency range from 250MHz to 500MHz

● On-chip one -shot circuit

● 50dB RF on/off ratio

● Available in 6-pin, SOT-23package

APPLICATIONS

● Keyless entry systems

● Remote control systems

● Garage door openers

● Alarm systems

● Security systems

● Wireless sensors