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PT4455 - PLL-based OOK/ASK Transmitter

General Description

PT4455 is a high performance OOK/ASK transmitter for the Remote Keyless Entry (RKE) systems.

It consists of a power amplifier, one-shot circuit and phase-locked loop with internal voltage controlled oscillator and loop filter.

Key Features

  • Highly integrated OOK/ASK transmitter.
  • High output power, 3V /+11dBm /17mA.
  • Low supply voltage, 2.2V to 3.6V operation range.
  • Low external component cost.
  • PLL-based transmitter with frequency range from 300MHz to 450MHz.
  • On-chip one-shot circuit.
  • 60dB RF on-off ratio for OOK/ASK modulation.
  • Available in 6-pin, SOT-23 package BLOCK.

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Datasheet Details

Part number PT4455
Manufacturer Princeton Technology
File Size 161.73 KB
Description PLL-based OOK/ASK Transmitter
Datasheet download datasheet PT4455 Datasheet

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DESCRIPTION PT4455 is a high performance OOK/ASK transmitter for the Remote Keyless Entry (RKE) systems. It consists of a power amplifier, one-shot circuit and phase-locked loop with internal voltage controlled oscillator and loop filter. The one-shot circuit control the phase-locked loop and power amplifier to have fast start-up time in operation. APPLICATIONS  Keyless entry systems  Remote control systems  Garage door openers  Alarm systems  Security systems  Wireless sensors PT4455 PLL-based OOK/ASK Transmitter IC FEATURES  Highly integrated OOK/ASK transmitter  High output power, 3V /+11dBm /17mA  Low supply voltage, 2.2V to 3.6V operation range  Low external component cost.