TDA5102 データシートの表示（PDF） - Infineon Technologies

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TDA5102

Wireless Components ASK/FSK Transmitter 915 MHz

Infineon Technologies 

TDA 5102

Product Description

2.1 Overview

The TDA 5102 is a single chip ASK/FSK transmitter for the frequency band 905-

925 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 frequency and a divided clock out-

put are implemented. The IC can be used for both ASK and FSK modulation.

2.2 Applications

I Keyless entry systems

I Remote control systems

I Alarm systems

I Communication systems

2.3 Features

I fully integrated frequency synthesizer

I VCO without external components

I high efficiency power amplifier

I frequency range 905-925 MHz

I ASK/FSK modulation

I low supply current (typically 7 mA)

I voltage supply range 2.1 - 4 V

I power down mode

I low voltage sensor

I selectable crystal oscillator 7.15 MHz/14.3 MHz

I programmable divided clock output for µC

I low external component count

Wireless Components

2-2

Specification, October 2001

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