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U2745B-MFBG3 Datasheet

  • U2745B-MFBG3

  • UHF ASK TRANSMITTER

  • 9頁

  • ATMEL   ATMEL

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Features
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Very High Transmitting Frequency Accuracy Compared to SAW Solutions
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(Enables Receivers at Lower Bandwidth than with SAW Resonators)
Lower Cost than the Usual Discrete Solutions Using SAW and Transistors
Supply Voltage 2.2 V to 4.0 V in the Temperature Range of -40擄C to 85擄C
XTO Output for Clocking the Microcontroller, Thereby Together with the ATAR090 or
ATAR890 Results in the Optimum System Cost-effectiveness
One-chip Solution with Minimum External Circuitry
Very Small SSO16 Package, Pitch 0.635, 150 mil
鈥淪ingle-ended Open-collector鈥?Output (Same Antennas Can Be Used as in Discrete
Solutions, Simpler Adaptation of Magnetic Loop Antennas)
ESD Protection According to MIL-STD.883 (4 KV HBM) Except Pins XTO1/ 2,
ANT and LF
UHF ASK
Transmitter
U2745B
Electrostatic sensitive device.
Observe precautions for handling.
Description
The U2745B is a PLL transmitter IC which has been especially developed for the
demands of RF low-cost data transmission systems at data rates up to 20 kBaud.
The transmitting frequency range is 310 MHz to 440 MHz. It can be used in ASK sys-
tems. The main applications of the U2745B are in the areas of outside temperature
metering, socket control, garage door opener, consumption metering, light/fan or air-
condition control, jalousies, wireless keyboard and various other consumer market
applications.
Rev. 4734A鈥揜KE鈥?1/03

U2745B-MFBG3 產(chǎn)品屬性

  • 4,000

  • RF/IF 和 RFID

  • RF 發(fā)射器

  • -

  • 310MHz ~ 440MHz

  • -

  • UHF，ASK

  • 20 kBaud

  • 1dBm ~ 5dBm

  • 10mA

  • PCB，表面貼裝

  • PCB，表面貼裝

  • -

  • -

  • 2.2 V ~ 4 V

  • -40°C ~ 85°C

  • 16-LSSOP（0.154"，3.90mm 寬）

  • 帶卷 (TR)

U2745B-MFBG3相關(guān)型號(hào)PDF文件下載

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