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

Block Diagram with external Components
Disclaimer:
Devices sold by Melexis are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. Melexis makes no warranty, express, statutory, implied, or by
description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. Melexis reserves the right to change specifications and
prices at any time and without notice. Therefore, prior to designing this product into a system, it is necessary to check with Melexis for current information. This product is intended for use
in normal commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as military, medical life-
support or life-sustaining equipment are specifically not recommended without additional processing by Melexis for each application. The information furnished by Melexis is believed to be
correct and accurate. However, Melexis shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss
of use, interrupt of business or indirect, special incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical
data herein. No obligation or liability to recipient or any third party shall arise or flow out of Melexis’ rendering of technical or other services.
Email Europe and rest of the world:
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For additional information go to our website at:
Applications
• General digital data transmission
• Tire Pressure Monitoring Systems (TPMS)
• Remote Keyless Entry (RKE)
• Low-power telemetry systems
Application Circuit
CX1
XTAL
CX2
FSKSW
ENTX
ROI
4
3
2
FSKDTA
XOSC
FSK data
control
mode
1
8
1
CM1
PCB loop antenna
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[e-mail]
XBUF
7
2
CX2
CB1
8
VEE
PLL
6
3
XTAL
CX1
VCC
PFD
CM2
CP
32
5
4
VCC
VCO
RPS
6
• Home and building automation
• Alarm and security systems
• Garage door openers
• Remote controls
Email Asia:
[e-mail]
RPS
PSEL
detector
voltage
PA
5
low
7
OUT
© 2006 Melexis NV. All rights reserved.
matching
antenna
network