Receiver IC


PT4303

The PT4303 is a low power superheterodyne OOK/ASK receiver for the 315/433.92 MHz frequency bands. It offers a high level of integration and requires only few external components. The PT4303 consists of a low-noise amplifier (LNA), a down-conversion mixer, an on-chip phase-locked loop (PLL) with integrated voltage-controlled oscillator (VCO) and loop filter, an OOK/ASK demodulator, a data filter, a data slicing comparator and an on-chip regulator. The PT4303 also implements a discrete one-step automatic gain control (AGC) to extend the dynamic range of the received RF signal.

The PT4303 is available in a 14-pin SOP package and is specified over the extended temperature range (–40 to +85°C).


FEATURES  


● Ultra-low power consumption: 2.7 mA for full operation (315 MHz)

● Few external components

● Excellent sensitivity on the order of –110 dBm (peak ASK signal level at 315 MHz)

● 2.4 V to 5.5 V supply voltage range

● 250 MHz to 500 MHz frequency range

● Data rate up to 10 Kb/s

● Package Type - SOP 14

APPLICATIONS


● Automotive remote keyless entry (RKE)

● Remote control

● Garage door and gate openers

● Suitable for applications that meet either the European ETSI-300-220 or the North American FCC (Part 15) regulatory standards

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Documentation

TitleFileVersionDate
DatasheetV1.22013/12/1

Tools

Application Note