TDA5103AHTMA1

TDA5103AHTMA1 Datasheet


ASK Transmitter 345 MHz TDA 5103A Version

Part Datasheet
TDA5103AHTMA1 TDA5103AHTMA1 TDA5103AHTMA1 (pdf)
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Wireless Components

ASK Transmitter 345 MHz TDA 5103A Version

Specification March 2001

Current Version March 2001

Previous Version February 2000

Page in previous Version

Page in current Version
3-3-5

Interface schematics inserted
3-4, 3-5
4-5, 4-6
3-5, 3-6
3-8, 3-9
3-10

Timing diagram added
4-1, 4-2
4-1 4-6
5-3, 5-4
5-3 5-5

Table corrected for pin1 „V > V“ replaced by „pin open“ VCO frequency range added, some limits adapted
5-6 5-6

Table inserted AC/DC characteristics over full supply- and temperature range

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TDA 5103A

Product Info
Ordering Information

Type TDA 5103A available on tape and reel
Ordering Code Q67036-A1121

Package P-TSSOP-10

Wireless Components

Product Info

Specification, March 2001

Table of Contents
1 Table of Contents 1-i
2 Product Description 2-1 Overview. 2-2 Applications 2-2 Features 2-2 Package Outlines 2-3
3 Functional Description 3-1 Pin Configuration 3-2 Pin Definitions and Functions 3-3 Functional Block diagram 3-6 Functional Blocks 3-7
4 Applications 4-1 50 Ohm-Output Testboard Schematic 4-2 50 Ohm-Output Testboard Layout 4-3 Bill of material 50 Ohm-Output Testboard 4-4 Hints 4-5
5 Reference 5-1 Absolute Maximum Ratings 5-2 Operating Range 5-2 AC/DC Characteristics 5-3
2 Product Description

Contents of this Chapter Overview. 2-2 Applications 2-2 Features 2-2 Package Outlines 2-3

TDA 5103A

Product Description

Overview

The TDA 5103A is a single chip ASK transmitter for the frequency band 344347 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.

Keyless entry systems Remote control systems Alarm systems Communication systems
fully integrated frequency synthesizer VCO without external components high efficiency power amplifier frequency range 344-347 MHz ASK modulation low supply current typically 7 mA voltage supply range - 4 V power down mode low voltage sensor clock output for µC low external component count

Wireless Components

Specification, March 2001

Package Outlines

TDA 5103A

Product Description
max. max.

M A B C
6 max.

M A B C

Index Marking

Figure 2-1 P-TSSOP-10

Wireless Components

Specification, March 2001
3 Functional Description

Contents of this Chapter

Pin Configuration 3-2 Pin Definitions and Functions 3-3 Functional Block diagram 3-6 Functional Blocks. 3-7 PLL Synthesizer. 3-7 Crystal Oscillator 3-7 Power Amplifier 3-7 Low Power Detect 3-8 Power Modes. 3-8 Power Down Mode 3-8 PLL Enable Mode 3-8 Transmit Mode. 3-8 Power mode control. 3-8 Recommended timing diagram for ASK-Modulation 3-10

Pin Configuration

TDA 5103A

Functional Description

PDWN 1
10 LPD
9 PAOUT
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Datasheet ID: TDA5103AHTMA1 638709