MC33493DTBR2

RF Transmitter Overview

The MC33493DTBR2 is a PLL-tuned UHF RF transmitter IC designed for general data transfer applications. It supports FSK and OOK modulation schemes across ISM bands of 315MHz, 434MHz, 868MHz, and 928MHz. The device operates on a supply voltage range of 1.9V to 3.6V with a maximum transmission current of 11.6mA. It delivers an output power of -3dBm at a maximum data rate of 10kbps. The component is housed in a 14-TSSOP surface-mount package and functions within a temperature range of -40°C to 125°C.

RF Transmitter Feature Summary

• Integrates a phase-locked loop (PLL) tuned oscillator for stable frequency generation without external components.
• Supports Frequency Shift Keying (FSK) and On-Off Keying (OOK) modulation protocols for versatile data encoding.
• Features a fully integrated transmitter circuit optimized for low-power PCB antenna designs.
• Operates efficiently within a wide industrial temperature range suitable for diverse environmental conditions.

RF Transmitter Applications

• General wireless data transfer systems
• Remote control and telemetry devices
• Low-power IoT sensor nodes
• Industrial monitoring equipment

RF Transmitter Procurement Notes

Verify the specific suffix configuration against official NXP documentation to ensure compatibility with required frequency bands and modulation types. Confirm that the 14-TSSOP package dimensions align with the target PCB footprint. Check RoHS compliance status and lead-free specifications prior to integration. Ensure the selected variant matches the intended operating voltage and temperature range requirements for the final application environment.

RF Transmitter Selection Notes

Select this component for applications requiring simple, low-cost UHF transmission with minimal external passive components. Consider the 10kbps data rate limit when designing communication protocols. Evaluate the -3dBm output power against link budget requirements for the specific antenna setup. Verify that the 1.9V minimum supply voltage is supported by the system power architecture.

RF Transmitter Part Context

This part belongs to the MC3349x family of PLL-tuned UHF transmitters manufactured by NXP USA Inc. These devices are engineered for cost-effective wireless data links in the sub-GHz spectrum. The family typically includes variants supporting different frequency ranges and packaging options to accommodate various design constraints and regional regulatory standards.

RF Transmitter Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult NXP technical support or authorized distributors for direct replacements or pin-compatible alternatives.