TDK5101 데이터 시트보기 (PDF) - Infineon Technologies

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TDK5101

Wireless Components ASK/FSK Transmitter 315 MHz

Infineon Technologies 

TDK 5101

Product Description

2.1 Overview

The TDK 5101 is a single chip ASK/FSK transmitter for the frequency band 311-

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

for both ASK and FSK modulation.

2.2 Applications

s Keyless entry systems

s Remote control systems

s Alarm systems

s Communication systems

2.3 Features

s fully integrated frequency synthesizer

s VCO without external components

s high efficiency power amplifier

s frequency range 311 MHz ... 317 MHz

s ASK/FSK modulation

s low supply current (typically 7 mA)

s voltage supply range 2.1 V ... 4 V

s temperature range -40°C ... 125°C

s power down mode

s low voltage sensor

s programmable divided clock output for µC

s low external component count

Wireless Components

2-2

Specification, October 2002

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