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ATA5743

ATMEL Corporation
Part Number ATA5743
Manufacturer ATMEL Corporation
Description UHF ASK/FSK Receiver
Published Jun 14, 2007
Detailed Description Features • • • • • • • • • • • • • Two Different IF Receiving Bandwidth Versions are Available (BIF = 300 kHz or 600 kHz...
Datasheet PDF File ATA5743 PDF File

ATA5743
ATA5743

Overview
Features • • • • • • • • • • • • • Two Different IF Receiving Bandwidth Versions are Available (BIF = 300 kHz or 600 kHz) 5V to 20V Automotive-Compatible Data Interface IC Condition Indicator, Sleep or Active Mode Data Clock Available for Manchester- and Bi-phase-coded Signals Fully Integrated VCO Supply Voltage 4.
5V to 5.
5V, Operating Temperature Range -40°C to +105°C Single-ended RF Input for Easy Adaptation to λ /4 Antenna or Printed Antenna on PCB ESD Protection According to MIL-STD.
883 (2KV HBM) High Image Frequency Suppression Due to 1 MHz IF in Conjunction with a SAW Front-end Filter; Up to 40 dB is Achievable with State-of-the-art SAWs Communication to Microcontroller Possible Via a Single, Bi-directional Data Line Power Management (Polling) is also Possible by Means of a Separate Pin Via the Microcontroller Programmable Digital Noise Suppression SSO20 Package UHF ASK/FSK Receiver ATA5743 Benefits • Low Power Consumption Due to Configurable Self Polling with a Programmable Time frame Check • High Sensitivity, Especially at Low Data Rates • Minimal External Circuitry Requirements, no RF Components on the PC Board Except Matching to the Receiver Antenna • Sensitivity Reduction Possible Even While Receiving www.
DataSheet4U.
com • Low-cost Solution Due to High Integration Level 1.
Description The ATA5743 is a multi-chip PLL receiver device supplied in an SSO20 package.
It has been especially developed for the demands of RF low-cost data transmission systems with data rates from 1 kBaud to 10 kBaud in Manchester or Bi-phase code.
The receiver is well suited to operate with Atmel's PLL RF transmitter U2741B.
Its main applications are in the areas of telemetering, security technology, and keyless-entry systems.
It can be used in the frequency receiving range of f0 = 300 MHz to 450 MHz for ASK or FSK data transmission.
All the statements made below refer to 433.
92 MHz and 315 MHz applications.
Rev.
4839B–RKE–08/05 2.
System Block Diagram Figure 2-1.
System Blo...


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