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TDH9903

TDH
Part Number TDH9903
Manufacturer TDH
Description Low Power Super-heterodyne OOK/ASK Receiver
Published Jan 19, 2015
Detailed Description Low Power Super-heterodyne OOK/ASK Receiver TDH9903 Datasheet DESCRIPTION The TDH9903 is a low power super-heterodyne O...
Datasheet PDF File TDH9903 PDF File

TDH9903
TDH9903


Overview
Low Power Super-heterodyne OOK/ASK Receiver TDH9903 Datasheet DESCRIPTION The TDH9903 is a low power super-heterodyne OOK/ASK receiver for the 315/434 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 TDH9903 is available in 4-pin SOP package and is specified over the extended temperature range (-40 to +85°C).
APPLICATIONS • Automotive Remote Keyless Entry (RKE) • Remote Control • Garage door and gate openers • Suitable for circuit applications that meet either the European ETSI-300-220 or the North American FCC (Part 15) regulatory standards BLOCK DIAGRAM FEATURES • Ultra-low power consumption: 2.
7 mA for fully operation (315 MHz) • Few external components • Excellent Sensitivity of the order of –110 dBm (peak ASK signal level at 315 MHz) • Supply voltage range from 2.
4 V to 5.
5 V • 250 MHz to 500 MHz frequency range • Data rate up to 10 Kb/s www.
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