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SX1233 Datasheet, PDF (1/81 Pages) Semtech Corporation – High Bit Rate Transceiver Low Power Integrated UHF Transceiver | |||
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SX1233
ADVANCED COMMUNICATIONS & SENSING
SX1233 High Bit Rate Transceiver
Low Power Integrated UHF Transceiver
DATASHEET
VBAT1&2
VR_ANA
VR_DIG
Power Distribution System
RC
Oscillator
RFIO
LNA
Σ/Î
Single to
Mixers
Modulators
Differential
RESET
SPI
SX1233
GND
VR_PA
PA0
Ramp &
Control
PA_BOOST
PA1&2
Tank
Inductor
Loop
Filter
Division by
2, 4 or 6
Frac-N PLL
Synthesizer
XO
32 MHz
XTAL
RSSI
AFC
GND
RXTX
DIO0
DIO1
DIO2
DIO3
DIO4
DIO5
GENERAL DESCRIPTION
The SX1233 is a highly integrated RF transceiver capable of
operation over a wide frequency range, including the 433,
868 and 915 MHz license-free ISM (Industry Scientific and
Medical) frequency bands. Its highly integrated architecture
allows for a minimum of external components whilst
maintaining maximum design flexibility. All major RF
communication parameters are programmable and most of
them can be dynamically set. The SX1233 offers the unique
advantage of programmable narrow-band and wide-band
communication modes without the need to modify external
components. The SX1233 is optimized for low power
consumption while offering high RF output power and
channelized operation. TrueRF⢠technology enables a low-
cost external component count (elimination of the SAW
filter) whilst still satisfying ETSI and FCC regulations.
SX1233 is pin to pin compatible with SX1231 and SX1239.
APPLICATIONS
 Automated Meter Reading
 Wireless Sensor Networks
 Home and Building Automation
 Wireless Alarm and Security Systems
 Industrial Monitoring and Control
KEY PRODUCT FEATURES
 Programmable bit rate up to 600kbps (FSK)
 High Sensitivity: down to -120 dBm at 1.2 kbps
 High Selectivity: 16-tap FIR Channel Filter
 Bullet-proof front end: IIP3 = -18 dBm, IIP2 = +35 dBm,
80 dB Blocking Immunity, no Image Frequency response
 Low current: Rx = 16 mA, 100nA register retention
 Programmable Pout: -18 to +17 dBm in 1dB steps
 Constant RF performance over voltage range of chip
 Fully integrated synthesizer with a resolution of 61 Hz
 FSK, GFSK, MSK, GMSK and OOK modulations
 Built-in Bit Synchronizer performing Clock Recovery
 Incoming Sync Word Recognition
 115 dB+ Dynamic Range RSSI
 Automatic RF Sense with ultra-fast AFC
 Packet engine with CRC, AES-128 encryption and 66-
byte FIFO
 Built-in temperature sensor and Low Battery indicator
ORDERING INFORMATION
MARKETS
 Europe: EN 300-220-1
 North America: FCC Part 15.247, 15.249, 15.231
 Narrow Korean and Japanese bands
Part Number
SX1233IMLTRT
Delivery
Tape & Reel
MOQ / Multiple
3000 pieces
 QFN 24 Package - Operating Range [-40;+85°C]
 Pb-free, Halogen free, RoHS/WEEE compliant product
Rev 3.April 2010
Page 1
www.semtech.com
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