TDK5111FHTMA1

RF Transmitter Overview

The TDK5111FHTMA1 is an integrated RF transceiver IC designed for ASK and FSK modulation protocols. It operates within the sub-GHz frequency range, specifically targeting ISM bands such as 433 MHz and 868 MHz. The device features a compact 16-pin TSSOP surface-mount package, suitable for space-constrained applications. It supports data rates up to 20 kbps with a supply voltage range of 2.1V to 4V. The component includes an integrated power amplifier delivering up to 11 dBm output power, enabling reliable wireless communication in low-power IoT and remote control systems.

RF Transmitter Feature Summary

• Integrated single-chip transceiver supporting both ASK and FSK modulation schemes for versatile wireless communication.
• Built-in power amplifier provides sufficient output power for short-range data transmission without external components.
• Compact 16-pin TSSOP package design facilitates efficient PCB layout and integration into portable devices.

RF Transmitter Applications

• Wireless remote control systems
• IoT sensor nodes
• Alarm system transmitters

RF Transmitter Procurement Notes

Verify the specific frequency band variant required, as the base part number may cover multiple regional ISM bands. Confirm package marking and pinout compatibility during replacement. Check for end-of-life status or obsolescence notices from Infineon. Ensure RoHS compliance documentation matches current regulatory requirements for the target market.

RF Transmitter Selection Notes

Select this component when a combined transmitter and receiver solution is needed for simple ASK/FSK links. Consider the operating temperature range and supply voltage constraints against the application environment. Evaluate the need for external matching networks based on the specific antenna configuration and desired output power levels.

RF Transmitter Part Context

This component belongs to the TDK 51xx series of RF transceivers by Infineon Technologies. The series offers high integration for sub-GHz applications, reducing bill of materials complexity. The TDK5111 variant specifically addresses multi-band or flexible frequency requirements compared to fixed-frequency predecessors like the TDK5110.

RF Transmitter Replacement Considerations

• TDK5110FHTMA1

RF Transmitter FAQ

What modulation types are supported?

The TDK5111FHTMA1 supports both Amplitude Shift Keying (ASK) and Frequency Shift Keying (FSK) modulation protocols.

What is the maximum data rate?

The device supports data rates up to 20 kbps.