TH71221_15 Datasheet, PDF (3/44 Pages) Melexis Microelectronic Systems – FSK/FM/ASK Transceiver

TH71221
27 to 930MHz
FSK/FM/ASK Transceiver
5.1.1 Default Register Settings for FS0, FS1...................................................................................... 21
5.1.2 A – word ..................................................................................................................................... 22
5.1.3 B – word ..................................................................................................................................... 23
5.1.4 C – word ..................................................................................................................................... 24
5.1.5 D – word ..................................................................................................................................... 25
6 Technical Data..........................................................................................................26
6.1 Absolute Maximum Ratings.............................................................................................. 26
6.2 Normal Operating Conditions ........................................................................................... 26
6.3 DC Characteristics ........................................................................................................... 27
6.4 PLL Synthesizer Timings.................................................................................................. 29
6.5 AC Characteristics of the Receiver Part ........................................................................... 29
6.6 AC Characteristics of the Transmitter Part ....................................................................... 30
6.7 Serial Control Interface .................................................................................................... 30
6.8 Crystal Parameters .......................................................................................................... 30
7 Application Circuit Examples..................................................................................31
7.1 FSK Application Circuit Programmable User Mode (internal AFC option)......................... 31
7.2 FSK Application Circuit Stand-alone User Mode .............................................................. 32
7.3 FSK Test Circuit Component List (Fig. 14 and Fig. 15)..................................................... 33
7.4 ASK Application Circuit Programmable User Mode (normal data slicer option) ................ 34
7.5 ASK Test Circuit Component List (Fig. 16) ....................................................................... 35
7.6 ASK Application Circuit Programmable User Mode (peak detector option)....................... 36
7.7 ASK Test Circuit Component List (Fig. 17) ....................................................................... 37
8 Extended Frequency Range ....................................................................................38
8.1 Board Component List (Fig. 18) ....................................................................................... 38
9 TX/RX Combining Network......................................................................................39
9.1 Board Component List (Fig. 19) ....................................................................................... 39
9.2 Typical LNA S-Parameters in Receive Mode.................................................................... 39
9.3 LNA Input Impedances in Transmit Mode ........................................................................ 40
10 Package Description ................................................................................................41
10.1 Soldering Information .................................................................................................... 41
11 Manufacturability Information.................................................................................42
12 ESD Precautions ......................................................................................................42
13 Disclaimer .................................................................................................................44
39010 071221
Rev. 009
Page 3 of 44
Data Sheet
Nov/15