TH7108EFC Melexis Inc, TH7108EFC Datasheet - Page 5

• Manufacturer Part Number: TH7108EFC
• Description: IC XMITTER 868/915MHZ 16-SSOP
• Manufacturer: Melexis Inc

Specifications of TH7108EFC

• Rohs Status: RoHS non-compliant
• Frequency: 850MHz ~ 920MHz
• Applications: Alarm and Security Systems, RKE
• Modulation Or Protocol: ASK, FM, FSK
• Data Rate - Maximum: 40 kbps
• Power - Output: -15dBm ~ 1dBm
• Current - Transmitting: 6.2mA ~ 12.5mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SSOP
• Features: -
• Memory Size: -
• Other names: TH7108; TH7108EFF

3 Pin Definition and Description
3901007108
Rev. 008
Pin No.
1
2
3
4
5
6
7
LF1
SUB
DATA
RO2
RO1
ENTX
ENCK
Name
output
ground
input
analog I/O
analog I/O
input
input
I/O Type
ENTX
ENCK
LF1
6
7
1
DATA
Functional Schematic
3
RO1
5
RO2
4
Page 5 of 14
200
1.1k
1.1k
1.8k
28p
28p
37k
FSK/FM/ASK Transmitter
charge pump output, con-
nection to loop filter
negative power supply, sub-
strate connection
FSK data input,
CMOS-compatible
XOSC FSK pulling pin,
MOS switch
XOSC connection to XTAL,
Colpitts type crystal oscilla-
tor
mode control input, CMOS-
compatible with internal pull-
down
mode control input, CMOS-
compatible with internal pull-
down
Description
TH7108
868/915MHz
Data Sheet
May/03