TH71112 Просмотр технического описания (PDF) - Melexis Microelectronic Systems

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TH71112

868/915MHz FSK/FM/ASK Receiver

Melexis Microelectronic Systems  

TH71112

868/915MHz

FSK/FM/ASK Receiver

Document Content

1 Theory of Operation ...................................................................................................3

1.1 General............................................................................................................................. 3

1.2 Technical Data Overview.................................................................................................. 3

1.3 Block Diagram .................................................................................................................. 4

1.4 Mode Configurations ........................................................................................................ 4

1.5 LNA GAIN Control ............................................................................................................ 4

1.6 Frequency Planning.......................................................................................................... 4

1.6.1 Selected Frequency Plans........................................................................................................... 5

1.6.2 Maximum Frequency Coverage................................................................................................... 5

2 Pin Definitions and Descriptions ..............................................................................6

3 Technical Data............................................................................................................9

3.1 Absolute Maximum Ratings .............................................................................................. 9

3.2 Normal Operating Conditions ........................................................................................... 9

3.3 Crystal Parameters ........................................................................................................... 9

3.4 DC Characteristics.......................................................................................................... 10

3.5 AC System Characteristics ............................................................................................. 11

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

6 Reliability Information .............................................................................................21

7 ESD Precautions ......................................................................................................21

8 Disclaimer .................................................................................................................22

39010 71112

Rev. 013

Page 2 of 22

Data Sheet

June/07

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