TH71111
868/915MHz
FSK/FM/ASK Receiver
Document Content
1
Theory of Operation...................................................................................................3
1.1
General............................................................................................................................. 3
Technical Data Overview.................................................................................................. 3
Block Diagram .................................................................................................................. 4
Mode Configurations ........................................................................................................ 4
LNA GAIN Control ............................................................................................................ 4
Frequency Planning.......................................................................................................... 4
1.2
1.3
1.4
1.5
1.6
1.6.1 Selected Frequency Plans........................................................................................................... 5
1.6.2 Maximum Frequency Coverage................................................................................................... 5
2
3
Pin Definitions and Descriptions..............................................................................6
Technical Data............................................................................................................9
3.1
Absolute Maximum Ratings.............................................................................................. 9
Normal Operating Conditions ........................................................................................... 9
Crystal Parameters........................................................................................................... 9
DC Characteristics.......................................................................................................... 10
AC System Characteristics............................................................................................. 11
3.2
3.3
3.4
3.5
4
Test Circuits .............................................................................................................12
4.1
Standard FSK Reception................................................................................................ 12
4.1.1 Standard FSK Application Circuit .............................................................................................. 12
4.1.2 Standard FSK Component List.................................................................................................. 13
4.2
Narrow Band FSK Reception.......................................................................................... 14
4.2.1 Narrow Band FSK Application Circuit........................................................................................ 14
4.2.2 Narrow Band FSK Component List............................................................................................ 15
4.3
FM Reception (Varactor-tuned AFC).............................................................................. 16
4.3.1 FM Application Circuit................................................................................................................ 16
4.3.2 FM Component List.................................................................................................................... 17
4.4
ASK Reception ............................................................................................................... 18
4.4.1 ASK Application Circuit.............................................................................................................. 18
4.4.2 ASK Component List.................................................................................................................. 19
5
Package Description................................................................................................20
5.1
Soldering Information ..................................................................................................... 20
Reliability Information .............................................................................................21
ESD Precautions ......................................................................................................21
Disclaimer.................................................................................................................22
6
7
8
39010 71111
Rev. 013
Page 2 of 22
Data Sheet
June/07
MELEXIS [ Melexis Microelectronic Systems ]
