SX1233IMLTRT Semtech, SX1233IMLTRT Datasheet - Page 2

• Manufacturer Part Number: SX1233IMLTRT
• Description: RF Transceiver Extended Bands Japan-Korea
• Manufacturer: Semtech

Specifications of SX1233IMLTRT

• Transmitting Current: 95mA
• Data Rate: 600Kbps
• Rf Ic Case Style: QFN
• No. Of Pins: 24
• Supply Voltage Range: 1.8V To 3.6V
• Operating Temperature Range: -40°C To +85°C
• Receiving Current: 17mA

Section
1.
2.
3.
Rev 5 - June 2011
ADVANCED COMMUNICATIONS & SENSING
Table of contents
1.1.
1.2.
1.3.
2.1.
2.2.
2.3.
2.4.
3.1.
3.2.
3.3.
3.4.
3.5.
General Description..................................................................................................................................................................... 8
Electrical Characteristics ........................................................................................................................................................... 11
Chip Description ........................................................................................................................................................................ 16
2.4.1. Power Consumption ..................................................................................................................................................... 12
2.4.2. Frequency Synthesis .................................................................................................................................................... 12
2.4.3. Receiver........................................................................................................................................................................ 13
2.4.4. Transmitter.................................................................................................................................................................... 14
2.4.5. Digital Specification ...................................................................................................................................................... 15
3.3.1. Reference Oscillator ..................................................................................................................................................... 16
3.3.2. CLKOUT Output ........................................................................................................................................................... 17
3.3.3. PLL Architecture ........................................................................................................................................................... 17
3.3.4. Lock Time ..................................................................................................................................................................... 18
3.3.5. Lock Detect Indicator .................................................................................................................................................... 18
3.4.1. Architecture Description................................................................................................................................................ 19
3.4.2. Bit Rate Setting............................................................................................................................................................. 19
3.4.3. FSK Modulation ............................................................................................................................................................ 20
3.4.4. OOK Modulation ........................................................................................................................................................... 21
3.4.5. Modulation Shaping ...................................................................................................................................................... 21
3.4.6. Power Amplifiers........................................................................................................................................................... 21
3.4.7. Over Current Protection................................................................................................................................................ 22
3.5.1. Block Diagram .............................................................................................................................................................. 23
3.5.2. LNA - Single to Differential Buffer................................................................................................................................. 23
3.5.3. Automatic Gain Control................................................................................................................................................. 24
3.5.4. Continuous-Time DAGC ............................................................................................................................................... 25
3.5.5. Quadrature Mixer - ADCs - Decimators........................................................................................................................ 26
3.5.6. Channel Filter ............................................................................................................................................................... 26
3.5.7. DC Cancellation............................................................................................................................................................ 27
3.5.8. Complex Filter - OOK ................................................................................................................................................... 27
3.5.9. RSSI ............................................................................................................................................................................. 27
3.5.10. Cordic ......................................................................................................................................................................... 28
3.5.11. FSK Demodulator ....................................................................................................................................................... 29
3.5.12. OOK Demodulator ...................................................................................................................................................... 29
3.5.13. Bit Synchronizer.......................................................................................................................................................... 31
Simplified Block Diagram.................................................................................................................................................... 8
Pin and Marking Diagram ................................................................................................................................................... 9
Pin Description .................................................................................................................................................................. 10
ESD Notice ....................................................................................................................................................................... 11
Absolute Maximum Ratings .............................................................................................................................................. 11
Operating Range .............................................................................................................................................................. 11
Chip Specification ............................................................................................................................................................. 12
Power Supply Strategy ..................................................................................................................................................... 16
Low Battery Detector ........................................................................................................................................................ 16
Frequency Synthesis ........................................................................................................................................................ 16
Transmitter Description ..................................................................................................................................................... 19
Receiver Description ......................................................................................................................................................... 23
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