TDK5100 Просмотр технического описания (PDF) - Infineon Technologies

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TDK5100

Wireless Components

Infineon Technologies 

TDK 5100

Product Description

1.1 Overview

The TDK 5100 is a single chip ASK/FSK transmitter for the frequency bands

433-435 MHz and 868-870 MHz. The IC offers a high level of integration and

needs only a few external components. The device contains a fully integrated

PLL synthesizer and a high efficiency power amplifier to drive a loop antenna.

A special circuit design and an unique power amplifier design are used to save

current consumption and therefore to save battery life. Additional features like

a power down mode, a low power detect, a selectable crystal oscillator fre-

quency and a divided clock output are implemented. The IC can be used for

both ASK and FSK modulation.

1.2 Applications

s Keyless entry systems

s Remote control systems

s Alarm systems

s Communication systems

1.3 Features

s fully integrated frequency synthesizer

s VCO without external components

s ASK and FSK modulation

s switchable frequency range 433-435 MHz / 868-870 MHz

s high efficiency power amplifier (typically 5 dBm / 2 dBm)

s low supply current (typically 7 mA)

s voltage supply range 2.1 - 4 V

s temperature range −40°C ... 125°C

s power down mode

s low voltage sensor

s selectable crystal oscillator 6.78 MHz / 13.56 MHz

s programmable divided clock output for µC

s low external component count

Wireless Components

1-2

Specification, October 2002

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