MLX71122
300 to 930MHz FSK/FM/ASK Receiver
Datasheet
3.4.1. Data Filter (DF) ............................................................................................................................. 33
3.4.2. Averaging Data Slicer Mode ......................................................................................................... 34
3.4.3. Peak Detectors (PKDET)................................................................................................................ 34
3.4.4. Output Comparator...................................................................................................................... 35
3.5. Frequency Acceptance Range .............................................................................................................. 35
3.6. Biasing System...................................................................................................................................... 35
3.7. Operating Modes ................................................................................................................................. 35
3.8. Multi Functional Output....................................................................................................................... 36
3.9. SPI Description ..................................................................................................................................... 36
3.9.1. General......................................................................................................................................... 36
3.9.2. Read / Write Sequences ............................................................................................................... 37
3.9.3. Serial Programming Interface Timing ........................................................................................... 38
4. Register Description.......................................................................................................................39
4.1. Register Overview ................................................................................................................................ 39
4.1.1. Control Word R0........................................................................................................................... 41
4.1.2. Control Word R1........................................................................................................................... 42
4.1.3. Control Word R2........................................................................................................................... 43
4.1.4. Control Word R3........................................................................................................................... 43
4.1.5. Control Word R4........................................................................................................................... 44
4.1.6. Control Word R5........................................................................................................................... 44
4.1.7. Control Word R6........................................................................................................................... 45
4.1.8. Control Word R7 (Read-only Register) ......................................................................................... 45
5. Technical Data................................................................................................................................46
5.1. Absolute Maximum Ratings ................................................................................................................. 46
5.2. Normal Operating Conditions .............................................................................................................. 46
5.3. Crystal Parameters ............................................................................................................................... 47
5.4. Serial Programming Interface (SPI) ...................................................................................................... 47
5.5. DC Characteristics ................................................................................................................................ 48
5.6. AC System Characteristics.................................................................................................................... 50
6. Test Circuits....................................................................................................................................52
6.1. Standard FSK & ASK Reception in 8-Channel Preconfigured (ABC) Mode ........................................... 52
6.1.1. Averaging Data Slicer Configured for Bi-Phase Codes .................................................................. 52
6.2. Standard FSK & ASK Reception in SPI Mode......................................................................................... 53
6.2.1. Averaging Data Slicer Configured for Bi-Phase Codes .................................................................. 53
6.2.2. Peak Detector Data Slicer Configured for NRZ Codes................................................................... 54
6.3. Test Circuit Component List ................................................................................................................. 55
7. Package Description.......................................................................................................................56
7.1. Soldering Information .......................................................................................................................... 56
REVISION 014 – AUGUST, 2016
Page 4 of 59
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