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TRF6900 Datasheet

  • TRF6900

  • SINGLE-CHIP RF TRANSCEIVER

  • 485.04KB

  • 34頁

  • TI

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TRF6900
SINGLE-CHIP RF TRANSCEIVER
SLAS213C 鈥?SEPTEMBER 1999 鈥?REVISED MAY 2000
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Single-Chip RF Transceiver for 868 MHz
and 915 MHz ISM Bands
850 MHz to 950 MHz Operation
FM/FSK Operation for Transmit and
Receive
24-Bit Direct Digital Synthesizer (DDS) With
11-Bit DAC
On-Chip VCO and PLL
On-Chip Reference Oscillator
Minimal External Components Required
Low Power Consumption
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Typical Output Power of 4.5 dBm
Typical Output Frequency Resolution of
230 Hz
Ultrafast Lock Times From DDS
Implementation
Two Fully Programmable Operational
Modes
2.2 V to 3.6 V Operation
Fast Radio Strength Signal Indicator (RSSI)
Flexible Serial Interface to TI MSP430
Microcontroller
48-Pin Low Profile Plastic Quad Flat
Package (PQFP)
PQFP PACKAGE
(TOP VIEW)
48 47 46 45 44 43 42 41 40 39 38 37
IF1_IN
IF1_OUT
IF_GND
IF2_IN
DEM_GND
VREF
LNA_VCC
LNA_OUT
MIX_IN
MIX_VCC
MIX_OUT
MIX_GND
LNA_GND
LNA_IN
LNA_GND
PA_VCC
PA_OUT
PA_GND
PLL_GND
PD_SET
PD_OUT2
PD_OUT1
LOCKDET
PLL_VCC
1
2
3
4
5
6
7
8
9
10
11
12
13 14 15 16 17 18 19 20 21 22 23 24
36
35
34
33
32
31
30
29
28
27
26
25
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.
VCO_TANK1
VCO_TANK2
DDS_GND
STDBY
MODE
DDS_VCC
TX_DATA
DIG_VCC
DIG_GND
GND
XOSC1
XOSC2
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.
Copyright
漏
2000, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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