TH71082EDC Melexis Inc, TH71082EDC Datasheet

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TH71082EDC

Manufacturer Part Number
TH71082EDC
Description
IC XMITTER/LO SOURCE 8-SOIC
Manufacturer
Melexis Inc
Datasheet

Specifications of TH71082EDC

Rohs Status
RoHS non-compliant
Frequency
800MHz ~ 930MHz
Applications
Alarm and Security Systems, RKE
Modulation Or Protocol
ASK, FM
Data Rate - Maximum
40 kbps
Power - Output
-18dBm ~ -2dBm
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
8-SOIC (0.154", 3.90mm Width)
Features
-
Memory Size
-
Other names
TH71082
Features
! Fully integrated, PLL-stabilized VCO
! Flexible frequency range from 800 MHz to 930 MHz
! ASK achieved by on/off keying of internal
! FM possible with external varactor
! Wide power supply range from 2.2 V to 5.5 V
! High over-all frequency accuracy
! Very low standby current
Ordering Information
Part No.
TH71082
Application Examples
! Keyless car and central locking
! Low-power telemetry
! Alarm and security systems
! General digital data transmission
! General analog audio signal transmission
! Local oscillator signal generation
TH71082 Data Sheet
3901071082
power amplifier
Temperature Range
-40 C° to 85 °C
Page 1 of 10
!
! Adjustable current consumption from
! Single-ended RF output
! Clock output for µC drive
! Conforms to EN 300 220 and similar
ASK Transmitter / LO Source
-18 dBm to -2 dBm
6.2 mA to 12.5 mA
standard
Adjustable output power range from
CKOUT
ENTX
RO
LF
Pin Description
1
2
3
4
TH71082
TH71082
Package
SOIC8
868/915MHz
8
7
6
5
VEE
OUT
VCC
PS/DATA
Dec. 2001
Rev. 004

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TH71082EDC Summary of contents

Page 1

Features ! Fully integrated, PLL-stabilized VCO ! Flexible frequency range from 800 MHz to 930 MHz ! ASK achieved by on/off keying of internal power amplifier ! FM possible with external varactor ! Wide power supply range from 2.2 V ...

Page 2

General Description The TH71082 ASK transmitter IC is designed for applications in the European 868MHz industrial- scientific-medical (ISM) band, according to the EN 300 220 telecommunications standard. It can also be used for any other system with carrier frequencies ranging ...

Page 3

Block Diagram Fig. 1: TH71082 block diagram with external components TH71082 Data Sheet 3901071082 ASK Transmitter / LO Source Page TH71082 868/915MHz Dec. 2001 Rev. 004 ...

Page 4

Pin Definition and Description Pin No. Name I/O Type 1 LF analog I analog I/O 3 ENTX input 4 CKOUT output 5 PS/DATA analog I/O 6 VCC supply 7 OUT output 8 VEE ground TH71082 Data Sheet 3901071082 ...

Page 5

Technical Data Absolute Maximum Ratings Parameter Symbol Supply voltage V Input voltage V Input current Storage temperature T Electrostatic discharge V Normal Operating Conditions Parameter Symbol Supply voltage V Operating temperature T XOSC frequency f VCO frequency Clock frequency f ...

Page 6

AC Characteristics all parameters under normal operating conditions, unless otherwise stated; typical values °C and V a ENTX = 1.1V 868.3 MHz, test circuit shown in Fig Parameter ...

Page 7

Test Circuit Fig. 2: Test circuit for ASK with 50 matching network Test circuit component list to Fig. 2 Part Size Value CF1 0603 4.7 nF CF2 0603 0603 100 pF 100 pF C1 0603 6.8 pF ...

Page 8

Package Information all Dimension in mm, coplanarity < 0.1mm D min 4.80 max 4.98 all Dimension in inch, coplanarity < 0.004” min 0.189 max 0.196 TH71082 Data Sheet 3901071082 ASK Transmitter / LO Source E1 ...

Page 9

Your Notes TH71082 Data Sheet 3901071082 ASK Transmitter / LO Source Page TH71082 868/915MHz Dec. 2001 Rev. 004 ...

Page 10

Your Notes Important Notice 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 description regarding the information set forth herein or ...

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