IC RF TXRX SNGL-CHIP LP 20-QFN

CC2500-RTR1

Manufacturer Part NumberCC2500-RTR1
DescriptionIC RF TXRX SNGL-CHIP LP 20-QFN
ManufacturerTexas Instruments
CC2500-RTR1 datasheet
 


Specifications of CC2500-RTR1

Frequency2.4GHzData Rate - Maximum500kBaud
Modulation Or Protocol2-FSK, ASK, GFSK, MSK, OOKApplicationsISM, SRD
Power - Output-30dBm ~ 10dBmSensitivity-104dBm
Voltage - Supply1.8 V ~ 3.6 VCurrent - Receiving17mA
Current - Transmitting21.5mA @ 1 dBmData InterfacePCB, Surface Mount
Antenna ConnectorPCB, Surface MountOperating Temperature-40°C ~ 85°C
Package / Case20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFNOperating Temperature (min)-40C
Operating Temperature (max)85COperating Temperature ClassificationIndustrial
Product Depth (mm)4mmProduct Length (mm)4mm
Operating Supply Voltage (min)1.8VOperating Supply Voltage (typ)2.5/3.3V
Operating Supply Voltage (max)3.6VFor Use With296-24121 - DEV WRLSS TOOL FOR MSP430296-23125 - TARGET BRD WIRELESS EZ430-RF2500296-23031 - DEV WRLSS TOOL FOR MSP430/CC2500296-22903 - KIT EVAL MODULE FOR CC2500296-23077 - KIT DEV FOR CC2500/CC2550
Lead Free Status / RoHS StatusContains lead / RoHS non-compliantMemory Size-
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Page 18/96

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balun that converts the differential RF signal
on CC2500 to a single-ended RF signal. C121
and C131 are needed for DC blocking.
Together with an appropriate LC network, the
balun
components
also
impedance to match a 50  antenna (or
cable). Suggested values are listed in Table
15.
The balun and LC filter component values and
their placement are important to keep the
performance
optimized.
It
recommended
to
follow
the
reference design ([4]).
Component
Description
C51
Decoupling capacitor for on-chip voltage regulator to digital part
C81/C101
Crystal loading capacitors, see Section 26 on page 50 for details
C121/C131
RF balun DC blocking capacitors
C122/C132
RF balun/matching capacitors
C123/C124
RF LC filter/matching capacitors
L121/L131
RF balun/matching inductors (inexpensive multi-layer type)
L122
RF LC filter inductor (inexpensive multi-layer type)
R171
Resistor for internal bias current reference
XTAL
26-27 MHz crystal, see Section 26 on page 50 for details
Table 14: Overview of External Components (excluding supply decoupling capacitors)
1.8V-3.6V power supply
SI
SCLK
1 SCLK
SO
2 SO (GDO1)
(GDO1)
GDO2
3 GDO2
(optional)
4 DVDD
5 DCOUPL
C51
GDO0
(optional)
CSn
Figure 3: Typical Application and Evaluation Circuit (excluding supply decoupling capacitors)
Crystal
The crystal oscillator uses an external crystal
with two loading capacitors (C81 and C101).
See Section 26 on page 50 for details.
transform
the
Power Supply Decoupling
The power supply must be properly decoupled
close to the supply pins. Note that decoupling
capacitors are not shown in the application
circuit. The placement and the size of the
decoupling capacitors are very important to
is
highly
achieve
CC2500EM
CC2500EM reference design ([4]) should be
followed closely.
R171
AVDD 15
AVDD 14
CC2500
RF_N 13
DIE ATTACH PAD:
RF_P 12
AVDD 11
XTAL
C81
C101
SWRS040C
the
optimum
performance.
Antenna
(50 Ohm)
L131
C131
C132
C121
L122
L121
C123
C124
C122
Alternative:
Folded dipole PCB
antenna (no external
components needed)
Page 18 of 89
The