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T5743P3-TGQ Datasheet

  • T5743P3-TGQ

  • UHF ASK/FSK Receiver

  • 41頁

  • ATMEL   ATMEL

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Features
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Two Different IF Receiving Bandwidth Versions Are Available (B
IF
= 300 kHz or 600 kHz)
5 V to 20 V Automotive Compatible Data Interface
IC Condition Indicator, Sleep or Active Mode
Low Power Consumption Due to Configurable Self Polling with a Programmable
Timeframe Check
High Sensitivity, Especially at Low Data Rates
Data Clock Available for Manchester- and Bi-phase-coded Signals
Minimal External Circuitry Requirements, no RF Components on the PC Board Except
Matching to the Receiver Antenna
Sensitivity Reduction Possible Even While Receiving
Fully Integrated VCO
SO20 Package
Supply Voltage 4.5 V to 5.5 V, Operating Temperature Range -40擄C to +105擄C
Single-ended RF Input for Easy Adaptation to
位/4
Antenna or Printed Antenna on PCB
Low-cost Solution Due to High Integration Level
ESD Protection According to MIL-STD. 883 (4KV HBM)
High Image Frequency Suppression Due to 1 MHz IF in Conjunction with a SAW Front-
end Filter. Up to 40 dB is Thereby 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
UHF ASK/FSK
Receiver
T5743
Preliminary
Description
The T5743 is a multi-chip PLL receiver device supplied in an SO20 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 f
0
= 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.
System Block Diagram
Figure 1.
System Block Diagram
UHF ASK/FSK
Remote control transmitter
UHF ASK/FSK
Remote control receiver
U2741B
T5743
Demod.
Control
1...5
碌C
XTO
PLL
IF Amp
Antenna
VCO
Antenna
PLL
XTO
Power
amp.
LNA
VCO
Rev. 4569A鈥揜KE鈥?2/02
1

T5743P3-TGQ 產(chǎn)品屬性

  • 1

  • RF/IF 和 RFID

  • RF 接收器

  • -

  • 300MHz ~ 450MHz

  • -108dBm

  • 10 kBaud

  • ASK，F(xiàn)SK

  • 通用數(shù)據(jù)傳輸系統(tǒng)

  • 30mA

  • PCB，表面貼裝

  • -

  • PCB，表面貼裝

  • -

  • 4.5 V ~ 5.5 V

  • -40°C ~ 105°C

  • 20-SOIC（0.295"，7.50mm 寬）

  • 20-SOIC W

  • 剪切帶 (CT)

  • T5743P3-TGQCT

T5743P3-TGQ相關(guān)型號PDF文件下載

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