TRF4903

SINGLECHIP MULTIBAND RF TRANSMITTER

SWRS023B − MAY 2004 − REVISED MARCH 2005

1

POST OFFICE BOX 655303

433-MHz, 868-MHz, and 915-MHz Industrial,

Scientific, and Medical (ISM) Bands

Voltage Controlled Oscillator (VCO)

Phase-Locked Loop (PLL)

Power

Rate Selection

Required

Package (TSSOP)

Transceiver

1

2

3

4

5

6

7

8

9

10

11

12

24

23

22

21

20

19

18

17

16

15

14

13

PW PACKAGE

(TOP VIEW)

TX_DATA

MODE

STDBY

PA_OUT

PA_GND1

PA_VCC

PA_GND2

VCO_PRE_VCC

VCO_GND

VCO_CORE_VCC

VCO_BYPASS

VCO_TUNE

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.

Copyright

 2005, Texas Instruments Incorporated

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.