TRF4903

TRF4903 SINGLEĆCHIP MULTIBAND RF TRANSMITTER D Single-Chip RF Transmitter for 315-MHz, 433-MHz, 868-MHz, and 915-MHz Industrial, Scientific, and Medical (ISM) Bands D 2.2-V to 3.6-V Operation D Low Power Consumption D FSK/OOK Operation D Integer-N Synthesizer With Fully Integrated Voltage Controlled Oscillator (VCO) D On-Chip Reference Oscillator and Phase-Locked Loop (PLL) D Power Amplifier With 8-dBm Typical Output Power SWRS023B − MAY 2004 − REVISED MARCH 2005 D Programmable Brownout Detector D Integrated Data Bit Synchronizer and Baud Rate Selection D Flexible 3-Wire Serial Interface D Minimal Number of External Components Required D 24-Pin Plastic Thin-Shrink Small Outline Package (TSSOP) D Programmable XTAL Trimming D Lock Detect Indicator D Companion Transmitter to the TRF6903 Transceiver TX_DATA MODE STDBY PA_OUT PA_GND1 PA_VCC PA_GND2 VCO_PRE_VCC VCO_GND VCO_CORE_VCC VCO_BYPASS VCO_TUNE PW PACKAGE (TOP VIEW) 1 24 2 23 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 CLOCK DATA STROBE GND XTAL_SW XTAL DGND DVDD DET_LD_DCLK CP_GND CP_OUT CP_VCC These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the gates. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data s...