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CC2550-CC2550RSTR
Low Cost 2.4 GHz Transmitter Designed for Low-Power Wireless Applications in 2.4 GHz ISM Band
CC2550
CC2550
Low-Cost Low-Power 2.4 GHz RF Transmitter
Applications 2400-2483.5 MHz ISM/SRD band systems • Consumer electronics • Wireless game controllers Wireless audio • RF enabled remote controls
Product DescriptionThe CC2550 is a low-cost 2.4 GHz transmitter
designed for very low-power wireless appli-cations. The circuit is intended for the 2400-
2483.5 MHz ISM (Industrial, Scientific and Medical) and SRD (Short Range Device) freq-
uency band.
The RF transmitter is integrated with a highly
configurable baseband modulator. The modulator supports various modulation
formats and has a configurable data rate up to 500 kBaud.
The CC2550 provides extensive hardware
support for packet handling, data buffering and burst transmissions.
The main operating parameters and the 64-
byte transmit FIFO of CC2550 can be controlled via an SPI interface. In a typical system, the CC2550 will be used together with a micro-
controller and a few passive components.
Key Features
RF Performance Programmable output power up to +1 dBm • Programmable data rate from 1.2 to 500
kBaud • Frequency range: 2400 – 2483.5 MHz
Analog Features OOK, 2-FSK, GFSK, and MSK supported • Suitable for frequency hopping and multi-channel systems due to a fast settling
frequency synthesizer with 90 us settling time • Integrated analog temperature sensor
Digital Features Flexible support for packet oriented
systems: On-chip support for sync word insertion, flexible packet length, and
automatic CRC handling • Efficient SPI interface: All registers can be
programmed with one “burst” transfer • Optional automatic whitening of data
Low-Power Features 200 nA SLEEP mode current consumption • Fast startup time: 240 us from SLEEP to
TX mode (measured on EM design [3]) • 64-byte TX data FIFO (enables burst mode data transmission)
General Few external components: Complete on-
chip frequency synthesizer, no external filters needed • Green package: RoHS compliant and no
antimony or bromine • Small size (QLP 4x4 mm package, 16
pins) • Suited for systems compliant with EN 300 328 and EN 300 440 class 2 (Europe),
FCC CFR47 Part 15 (US), and ARIB STD-T66 (Japan) • Support for asynchronous and
synchronous serial transmit mode for backwards compatibility with existing radio
communication protocols
