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U3741BM-P2FL Datasheet

  • U3741BM-P2FL

  • UHF ASK RECEIVER IC

  • 501.11KB

  • 32頁(yè)

  • ATMEL   ATMEL

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Features
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Minimal External Circuitry Requirements, No RF Components on the PC Board Except
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Matching to the Receiver Antenna
High Sensitivity, Especially at Low Data Rates
Sensitivity Reduction Possible Even While Receiving
Fully Integrated VCO
Low Power Consumption Due to Configurable Self Polling with a Programmable Time
Frame Check
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) Except Pin POUT (2KV HBM)
High Image Frequency Suppression due to 1 MHz IF in Conjunction with a SAW
Front-end Filter
鈥?Up to 40 dB is Thereby Achievable with Newer SAWs.
Programmable Output Port for Sensitivity Selection or for Controlling External
Periphery
Communication to the Microcontroller Possible via a Single, Bi-directional Data Line
Power Management (Polling) is also Possible by Means of a Separate Pin via the
Microcontroller
2 Different IF Bandwidth Versions are Available (300 kHz and 600 kHz)
UHF ASK
Receiver IC
U3741BM
Description
The U3741BM is a multi-chip PLL receiver device supplied in an SO20 package. It has
been specially developed for the demands of RF low-cost data transmission systems
with low data rates from 1 kBaud to 10 kBaud (1 kBaud to 3.2 kBaud for FSK) 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 state-
ments made below refer to 433.92-MHz and 315-MHz applications.
Rev. 4662B鈥揜KE鈥?0/04

U3741BM-P2FL 產(chǎn)品屬性

  • 2,100

  • RF/IF 和 RFID

  • RF 接收器

  • -

  • 300MHz ~ 450MHz

  • -109dBm

  • 10 kBaud

  • ASK，F(xiàn)SK

  • RKE，遙控系統(tǒng)

  • 8.2mA

  • 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

  • 管件

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