TH71072

Features: ` Fully integrated, PLL-stabilized VCO` Flexible frequency range from 310 MHz to 440 MHz` ASK achieved by on/off keying of internal power amplifier` FM possible with external varactor` Wide power supply range from 2.2 V to 5.5 V` High over-all frequency accuracy` Very low standby current...

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TH71072 Picture
SeekIC No. : 004518554 Detail

TH71072: Features: ` Fully integrated, PLL-stabilized VCO` Flexible frequency range from 310 MHz to 440 MHz` ASK achieved by on/off keying of internal power amplifier` FM possible with external varactor` Wid...

floor Price/Ceiling Price

Part Number:
TH71072
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/28

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Product Details

Description



Features:

` Fully integrated, PLL-stabilized VCO
` Flexible frequency range from 310 MHz to 440 MHz
` ASK achieved by on/off keying of internal power amplifier
` FM possible with external varactor
` Wide power supply range from 2.2 V to 5.5 V
` High over-all frequency accuracy
` Very low standby current
` Adjustable output power range from -15 dBm to -1 dBm
` Adjustable current consumption from 4.8 mA to 11.5 mA
` Single-ended RF output
` Clock output for C drive
` Conforms to EN 300 220 and similar standard



Application

· Keyless car and central locking
· Low-power telemetry
· Alarm and security systems
· General digital data transmission
· General analog audio signal transmission
· Local oscillator signal generation



Pinout

  Connection Diagram


Specifications

Parameter Symbol Condition Min Max Unit
Supply voltage Vcc   -0.3 7.0 V
Input voltage Vin ENTX pin -0.3 VCC+0.3 V
Input current Iin ENTX pin -1.0 1.0 mA
Storage temperature TSTG   -40 150
Electrostatic discharge VESD human body model,
MIL STD 833D
method 3015.7
-1.0 +1.0 kV



Description

The TH71072 ASK transmitter IC is designed for applications in the European 433MHz industrialscientific- medical (ISM) band, according to the EN 300 220 telecommunications standard. TH71072 can also be used for any other system with carrier frequencies ranging from 310 MHz to 440 MHz (e.g. for applications in the US 315MHz ISM band).

The transmitter TH71072's carrier frequency fc is determined by the frequency of the reference crystal fref that is used. The integrated PLL synthesizer ensures that each RF value, ranging from 310 MHz to 440 MHz, can be achieved by using a crystal with reference frequency according to: fref = fc/N, where N = 32 is the PLL feedback divider ratio.




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