MLX71122

300 to 930MHz FSK/FM/ASK Receiver

Datasheet

REVISION 014 – AUGUST, 2016

Page 4 of 59

390 10 71122 01

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