TH72001

315MHz

FSK Transmitter

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REVISION 011 - JUNE 13, 2017

3901072001

Features and Benefits



Fully integrated PLL-stabilized LC VCO



Frequency range of 290MHz to 350MHz



Single-ended RF output



FSK through crystal pulling allows

modulation from DC to 40 kbit/s



High FSK deviation possible for wideband

data transmission



Wide power supply range from 2.1 V to 5.5 V



Very low standby current



On-chip low voltage detector



High over-all frequency accuracy



FSK deviation and center frequency

independently adjustable



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 Examples



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

Pin Description

Ordering information

Product Code

Temperature Code

Package Code

Option Code

Packing Form Code

TH72001

K

DC

BAA-000

RE

TH72001

K

DC

BAA-000

TU

Legend:

Temperature Code:

K for Temperature Range -40°C to 125°C

Package Code:

DC for SOIC

Packing Form:

RE for Reel, TU for Tube

Ordering example:

TH72001KDC-BAA-000

General Description

The TH72001 FSK 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 at

290 to 350MHz.

N = 32 is the PLL feedback divider ratio.