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TH72012

Features: · Fully integrated PLL-stabilized VCO· Frequency range from 380 MHz to 450 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. : 004518581 Detail

TH72012: Features: · Fully integrated PLL-stabilized VCO· Frequency range from 380 MHz to 450 MHz· Single-ended RF output· ASK achieved by on/off keying of internal power amplifier up to 40 kbit/s· Wide powe...

TH72012 Data Sheet

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Part Number:
TH72012
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 380 MHz to 450 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 Systems (TPMS)
· Remote Keyless Entry (RKE)
· Wireless access control
· Alarm and security systems
· Garage door openers
· Remote Controls
· Home and building automation
· Low-power telemetry systems




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
Junction temperature
TJ
  
150
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 TH72012 ASK transmitter IC is designed for applications in the European 433 MHz industrial-scientificmedical (ISM) band, according to the EN 300 220 telecommunications standard; but it can also be used in other countries with similar standards, e.g. FCC part 15.231.

The transmitter's carrier frequency fc is determined by the frequency of the reference crystal fref. The integrated PLL synthesizer ensures that carrier frequencies, ranging from 380 MHz to 450 MHz, can be achieved. This is done 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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