The TH72032KDC-TR is a low-power RF transmitter IC manufactured by Melexis. It is designed for use in a variety of wireless communication applications, primarily operating in the sub-1 GHz ISM bands. This transmitter is known for its high level of integration, which reduces the number of external components required, leading to smaller and more cost-effective solutions. The TH72032KDC-TR supports both ASK (Amplitude Shift Keying) and FSK (Frequency Shift Keying) modulation schemes.

Applications:

• Remote Keyless Entry (RKE) systems
• Tire Pressure Monitoring Systems (TPMS)
• Wireless sensor networks
• Home and building automation
• Alarm and security systems
• Industrial control systems

Features:

• Single-chip RF transmitter
• Frequency range: 300 MHz to 450 MHz (Specific frequency depends on configuration)
• ASK and FSK modulation support
• Adjustable output power
• Low current consumption in transmit and standby modes
• On-chip PLL (Phase-Locked Loop)
• Crystal oscillator interface
• Data rates up to 20 kbps

Benefits:

• Cost-effective: High integration reduces the need for external components, lowering BOM costs.
• Long battery life: Low power consumption extends the operational life of battery-powered devices.
• Flexible modulation: Supports both ASK and FSK modulation, offering adaptability to different communication protocols.
• Reliable performance: Robust RF performance ensures stable and dependable wireless links.
• Small form factor: Compact package allows for use in space-constrained applications.

The TH72032KDC-TR operates within a specified frequency range, typically between 300 MHz and 450 MHz, although the exact frequency is determined by external components and configuration. The output power is adjustable, allowing designers to optimize the trade-off between communication range and power consumption. The device also includes an on-chip PLL, which provides stable and accurate frequency synthesis.

Technical Specifications:

• Frequency Range: 300-450 MHz (Configurable)
• Modulation: ASK, FSK
• Output Power: Adjustable
• Data Rate: Up to 20 kbps
• Supply Voltage: 2.1V to 3.6V
• Operating Temperature: -40°C to +85°C