th7122 Melexis Company, th7122 Datasheet - Page 3

• Manufacturer Part Number: th7122
• Description: Transceiver - 27 To 930mhz, Fsk/fm/ask, Multi-channel Lqfp32
• Manufacturer: Melexis Company

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7
8
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10 Package Description ................................................................................................41
11 Reliability Information..............................................................................................42
12 ESD Precautions ......................................................................................................42
13 Disclaimer .................................................................................................................44
39010 07122
Rev. 008
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
7.1
7.2
7.3
7.4
7.5
7.6
7.7
8.1
9.1
9.2
9.3
10.1
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
Technical Data..........................................................................................................26
Application Circuit Examples..................................................................................31
Extended Frequency Range ....................................................................................38
TX/RX Combining Network......................................................................................39
Absolute Maximum Ratings ............................................................................................ 26
Normal Operating Conditions ......................................................................................... 26
DC Characteristics.......................................................................................................... 27
PLL Synthesizer Timings ................................................................................................ 29
AC Characteristics of the Receiver Part ......................................................................... 29
AC Characteristics of the Transmitter Part ..................................................................... 30
Serial Control Interface................................................................................................... 30
Crystal Parameters ......................................................................................................... 30
FSK Application Circuit Programmable User Mode (internal AFC option)...................... 31
FSK Application Circuit Stand-alone User Mode ............................................................ 32
FSK Test Circuit Component List (Fig. 14 and Fig. 15) .................................................. 33
ASK Application Circuit Programmable User Mode (normal data slicer option) ............. 34
ASK Test Circuit Component List (Fig. 16)..................................................................... 35
ASK Application Circuit Programmable User Mode (peak detector option).................... 36
ASK Test Circuit Component List (Fig. 17)..................................................................... 37
Board Component List (Fig. 18) ..................................................................................... 38
Board Component List (Fig. 19) ..................................................................................... 39
Typical LNA S-Parameters in Receive Mode ................................................................. 39
LNA Input Impedances in Transmit Mode ...................................................................... 40
Soldering Information ..................................................................................................... 41
Default Register Settings for FS0, FS1...................................................................................... 21
A – word ..................................................................................................................................... 22
B – word ..................................................................................................................................... 23
C – word..................................................................................................................................... 24
D – word..................................................................................................................................... 25
Page 3 of 44
FSK/FM/ASK Transceiver
27 to 930MHz
TH7122
Data Sheet
June/07