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U3745BM-MFLG3

Description
SPECIALTY TELECOM CIRCUIT, PDSO20
CategoryWireless rf/communication    Telecom circuit   
File Size393KB,29 Pages
ManufacturerAtmel (Microchip)
Related ProductsFound1parts with similar functions to U3745BM-MFLG3
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U3745BM-MFLG3 Overview

SPECIALTY TELECOM CIRCUIT, PDSO20

U3745BM-MFLG3 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Parts packaging codeSOIC
package instructionSOP, SOP20,.4
Contacts20
Reach Compliance Codecompli
JESD-30 codeR-PDSO-G20
JESD-609 codee0
length12.825 mm
Number of functions1
Number of terminals20
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP20,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply5 V
Certification statusNot Qualified
Maximum seat height2.6 mm
Maximum slew rate0.0086 mA
Nominal supply voltage5 V
surface mountYES
Telecom integrated circuit typesTELECOM CIRCUIT
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width7.4 mm
Base Number Matches1
Features
Supply Voltage 4.5 V to 5.5 V
Operating Temperature Range -40°C to +85°C
Minimal External Circuitry Requirements, No RF Components on the PC Board Except
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
Single-ended RF Input for Easy Matching to
l/4
Antenna or Printed Antenna on PCB
Low-cost Solution Due to High Integration Level
ESD Protection According to MIL-STD 883 (4 KV HBM) Except Pin POUT (2 KV 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 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
UHF ASK
Receiver IC
U3745BM
Description
The U3745BM 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 in Manchester or Bi-phase code. The
receiver is well suited to operate with Atmel’s PLL RF transmitter U2745B. It can be
used in the frequency receiving range of f
0
= 310 MHz to 440 MHz for ASK data trans-
mission. All the statements made below refer to 433.92-MHz and 315-MHz
applications.
The main applications of the U3745BM are in the areas of outside temperature meter-
ing, socket control, garage door opener, consumption metering, light/fan or air-
condition control, jalousies, wireless keyboard and various other consumer market
applications.
Rev. 4663A–RKE–06/03
1

U3745BM-MFLG3 Related Products

U3745BM-MFLG3 U3745BM U3745BM-MFL
Description SPECIALTY TELECOM CIRCUIT, PDSO20 SPECIALTY TELECOM CIRCUIT, PDSO20 SPECIALTY TELECOM CIRCUIT, PDSO20

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