TH72005

TH72005 315MHz FSK/ASK Transmitter Features ! Fully integrated PLL-stabilized VCO ! Frequency range from 290 MHz to 350 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 ! 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 ! 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 FCC part 15 and similar standards ! 10-pin Quad Flat No-Lead Package (QFN) Ordering Information Part Number Temperature Code TH72005 K (-40 °C to 125 °C) Package Code LD (10L QFN 3x3 Dual) Delivery Form 120 pc/tray 5000 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 ASKDTA FSKDTA FSKSW ROI ENTX top TH72005 VCC VEE OUT VEE PSEL bottom 10 1 92 83 74 65 General Description The TH72005 FSK/ASK transmitter IC is designed for applications in the 315 MHz industrial-scientificmedical (ISM) band. It can also be used for any other system with c...