TH72031KDC Melexis Inc, TH72031KDC Datasheet - Page 2

• Manufacturer Part Number: TH72031KDC
• Description: 868/915 MHZ, FSK TRANSMITTER
• Manufacturer: Melexis Inc

Specifications of TH72031KDC

• Frequency: 868MHz, 915MHz
• Applications: Alarm and Security Systems, RKE
• Modulation Or Protocol: FSK
• Data Rate - Maximum: 40 kbps
• Power - Output: -11dBm ~ 9dBm
• Current - Transmitting: 5.1mA ~ 13.4mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 1.9 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Memory Size: -
• Other names: Q3477881B

Document Content
1
2
3
4
5
6
7
8
9
10 Disclaimer .................................................................................................................20
3901072031
Rev. 010
1.1
1.2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
4.1
4.2
4.3
4.4
4.5
4.6
5.1
5.2
6.1
7.1
Theory of Operation ...................................................................................................3
Functional Description ..............................................................................................4
Pin Definition and Description ..................................................................................7
Electrical Characteristics ..........................................................................................8
Typical Operating Characteristics ..........................................................................11
Test Circuit ...............................................................................................................17
Package Description ................................................................................................18
Reliability Information..............................................................................................19
ESD Precautions ......................................................................................................19
General ............................................................................................................................. 3
Block Diagram .................................................................................................................. 3
Crystal Oscillator .............................................................................................................. 4
FSK Modulation ................................................................................................................ 4
Crystal Pulling................................................................................................................... 4
Output Power Selection .................................................................................................... 5
Lock Detection.................................................................................................................. 5
Low Voltage Detection...................................................................................................... 5
Mode Control Logic .......................................................................................................... 6
Timing Diagrams .............................................................................................................. 6
Absolute Maximum Ratings .............................................................................................. 8
Normal Operating Conditions ........................................................................................... 8
Crystal Parameters ........................................................................................................... 8
DC Characteristics............................................................................................................ 9
AC Characteristics .......................................................................................................... 10
Output Power Steps ....................................................................................................... 10
DC Characteristics.......................................................................................................... 11
AC Characteristics .......................................................................................................... 14
Test circuit component list to Fig. 18 .............................................................................. 17
Soldering Information ..................................................................................................... 18
Page 2 of 20
FSK Transmitter
TH72031
868/915MHz
Data Sheet
Jan/09