TRF4903 Datasheet, PDF (1/26 Pages) Texas Instruments – SINGLE-CHIP MULTIBAND RF TRANSMITTER

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 sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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Copyright  2005, Texas Instruments Incorporated
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