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SWRS023B − MAY 2004 − REVISED MARCH 2005
D
Single-Chip RF Transmitter for 315-MHz,
433-MHz, 868-MHz, and 915-MHz Industrial,
Scientific, and Medical (ISM) Bands
D
D
Programmable Brownout Detector
Integrated Data Bit Synchronizer and Baud
Rate Selection
D
D
D
D
2.2-V to 3.6-V Operation
Low Power Consumption
FSK/OOK Operation
D
Flexible 3-Wire Serial Interface
D
Minimal Number of External Components
Required
Integer-N Synthesizer With Fully Integrated
Voltage Controlled Oscillator (VCO)
D
24-Pin Plastic Thin-Shrink Small Outline
Package (TSSOP)
D
D
On-Chip Reference Oscillator and
Phase-Locked Loop (PLL)
D
D
D
Programmable XTAL Trimming
Lock Detect Indicator
Power Amplifier With 8-dBm Typical Output
Power
Companion Transmitter to the TRF6903
Transceiver
PW PACKAGE
(TOP VIEW)
1
24
23
22
21
20
19
18
17
16
15
14
13
TX_DATA
MODE
STDBY
PA_OUT
PA_GND1
CLOCK
DATA
STROBE
GND
XTAL_SW
XTAL
DGND
2
3
4
5
6
PA_VCC
PA_GND2
7
8
VCO_PRE_VCC
VCO_GND
VCO_CORE_VCC
VCO_BYPASS
VCO_TUNE
DVDD
9
DET_LD_DCLK
CP_GND
CP_OUT
CP_VCC
10
11
12
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.
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Copyright 2005, Texas Instruments Incorporated
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