Datasheet > ATA5743

ATA5743

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
43页	765K
描述
UHF ASK/FSK Receiver

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数据手册

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ATA5743 数据手册

Features

• Two Different IF Receiving Bandwidth Versions are Available (B_IF= 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

UHF ASK/FSK

Receiver

• Programmable Digital Noise Suppression

• SSO20 Package

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

• 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 sys-

tems 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

12 3 4 5 6 7...43

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