TH72031

TH72031 868/915MHz FSK Transmitter Features ! Fully integrated PLL-stabilized VCO ! Frequency range from 850 MHz to 930 MHz ! 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 1.95 V to 5.5 V ! Very low standby current ! On-chip low voltage detector ! High over-all frequency accuracy ! FSK deviation and center frequency independ- ently adjustable ! Adjustable output power range from -12 dBm to +9.5 dBm ! Adjustable current consumption from 5.1 mA to 13.4 mA ! Conforms to EN 300 220 and similar standards ! 8-pin Small Outline Integrated Circuit (SOIC) Ordering Information Part Number Temperature Code TH72031 K (-40°C to 125°C) Package Code DC (SOIC8) Delivery Form 98 pc/tube 2500 pc/T&R Application Examples ! 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 Pin Description FSKDTA 1 FSKSW 2 ROI 3 ENTX 4 TH72031 8 VEE 7 OUT 6 VCC 5 PSEL General Description The TH72031 FSK transmitter IC is designed for applications in the European 868 MHz industrial-scientificmedical (ISM) band, according to the EN 300 220 telecommunications standard. It can also be used for any other system with carrier frequencies ranging from 850 MHz to 9...