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TRF6900A_08 Datasheet, PDF (1/34 Pages) Texas Instruments – SINGLE- CHIP RF TRANSCEIVER
TRF6900A
SINGLEĆCHIP RF TRANSCEIVER
D Single-Chip RF Transceiver for 868-MHz
and 915-MHz ISM Bands
D 850-MHz to 950-MHz Operation
D FM/FSK Operation for Transmit and
Receive
D 24-Bit Direct Digital Synthesizer (DDS) With
11-Bit DAC
D On-Chip VCO and PLL
D On-Chip Reference Oscillator
D Minimal External Components Required
D Low Power Consumption
D Typical Output Power of 4.5 dBm
SLAS258E − SEPTEMBER 2000 − REVISED AUGUST 2005
D Typical Output Frequency Resolution of
230 Hz
D Ultrafast Lock Times From DDS
Implementation
D Two Fully-Programmable Operational
Modes
D 2.2-V to 3.6-V Operation
D Fast Radio Strength Signal Indicator (RSSI)
D Flexible Serial Interface to TI MSP430
Microcontroller
D 48-Pin Low-Profile Plastic Quad Flat
Package (PQFP)
PQFP PACKAGE
(TOP VIEW)
LNA_GND
LNA_IN
LNA_GND
PA_VCC
PA_OUT
PA_GND
PLL_GND
PD_SET
PD_OUT2
PD_OUT1
LOCKDET
PLL_VCC
48 47 46 45 44 43 42 41 40 39 38 37
1
36
2
35
3
34
4
33
5
32
6
31
7
30
8
29
9
28
10
27
11
26
12
25
13 14 15 16 17 18 19 20 21 22 23 24
DEM_VCC
DEM_TANK
DEM_TANK
RSSI_OUT
AMP_IN
AMP_CAP
AMP_OUT
S&H_CAP
DATA_OUT
DATA
CLOCK
STROBE
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 MOS 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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