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TH72002

Features: · Fully integrated PLL-stabilized VCO· Frequency range from 290 MHz to 350 MHz· Single-ended RF output· ASK achieved by on/off keying of internal power amplifier up to 40 kbit/s· Wide power supply range from 1.95 V to 5.5 V· Very low standby current· On-chip low voltage detector· High ov...

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SeekIC No. : 004518577 Detail

TH72002: Features: · Fully integrated PLL-stabilized VCO· Frequency range from 290 MHz to 350 MHz· Single-ended RF output· ASK achieved by on/off keying of internal power amplifier up to 40 kbit/s· Wide powe...

TH72002 Data Sheet

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Part Number:
TH72002
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

· Fully integrated PLL-stabilized VCO
· Frequency range from 290 MHz to 350 MHz
· Single-ended RF output
· ASK achieved by on/off keying of internal power amplifier up to 40 kbit/s
· Wide power supply range from 1.95 V to 5.5 V
· Very low standby current
· On-chip low voltage detector
· High over-all frequency accuracy
· Adjustable output power range from -12 dBm to +11 dBm
· Adjustable current consumption from 3.2 mA to 10.3 mA
· Conforms to EN 300 220 and similar standards
· 8-pin Small Outline Integrated Circuit (SOIC)


Application

· General digital data transmission
· Tire Pressure Monitoring System (TPMS)
· Remote Keyless Entry (RKE)
· Low-power telemetry
· Alarm and security systems
· Garage door openers
· Home automation


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Condition
Min
Max
Unit
Supply voltage
VCC
  
0
7.0
V
Input voltage
VIN
  
-0.3
VCC+0.3
V
Storage temperature
TSTG
  
-65
150
°C
Junction temperature
TJ
  
150
°C
Thermal Resistance
RthJA
  
163
K/W
Power dissipation
Pdiss
  
0.12
W
Electrostatic discharge
VESD
 human body model (HBM) according to CDF-AECQ100- 002
±2.0
KV



Description

The TH72002 ASK transmitter IC is designed for applications in the 315 MHz industrial-scientific-medical (ISM) band. It can also be used for any other system with carrier frequencies ranging from 290 MHz to 350 MHz.

The transmitter TH72002's carrier frequency fc is determined by the frequency of the reference crystal fref. The integrated PLL synthesizer ensures that each RF value, ranging from 290 MHz to 350 MHz, can be achieved by using a crystal with a reference frequency according to: fref = fc/N, where N = 32 is the PLL feedback divider ratio.




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