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Microchip ATA5724P3C-TKQW High-Performance Multi-Chip PLL Receiver

Shenzhen Mingjiada Electronics Co., Ltd., as a leading global independent distributor of electronic components, has been consistently supplying Microchip's high-performance ATA5724P3C-TKQW multi-chip phase-locked loop (PLL) receiver. This ATA5724P3C-TKQW receiver chip, specifically designed for low-cost RF data transmission systems, offers exceptional sensitivity (-113dBm), a wide operating temperature range (-40°C to 105°C), and a highly integrated design, making it an ideal choice for applications such as keyless entry systems, tyre pressure monitoring, and industrial wireless control.

Product Core Features and Technical Specifications

The ATA5724P3C-TKQW is a high-performance UHF RF receiver in a compact TSSOP-20 package, specifically designed to meet the stringent requirements of low-cost wireless data transmission systems. The ATA5724P3C-TKQW device integrates a multi-chip PLL architecture, delivering exceptional reception performance in the 433MHz frequency band.

Key Performance Parameters:

Frequency Range: 433MHz ISM band, compliant with radio regulations in most regions worldwide  

Receiver Sensitivity: Up to -113dBm, capable of capturing extremely weak RF signals  

Supply Voltage: Wide-range design from 4.5V to 5.5V, suitable for various power supply environments  

Operating Current: Only 11mA in receive mode, achieving high energy efficiency

Data Transmission Rate: Supports an adjustable range from 1 kbit/s to 10 kbit/s

Encoding Support: Compatible with two common encoding methods: Manchester code and Biphase code

Temperature range: -40°C to +105°C industrial-grade wide temperature operation

Package type: 20-pin TSSOP surface mount, compact design with a width of 4.40mm

Technical advantages:

Highly integrated design: The ATA5724P3C-TKQW integrates the PLL, receiver front end, and data processing unit into a single chip, significantly reducing the number of external components, lowering BOM costs, and reducing PCB area.

Low system cost: The ATA5724P3C-TKQW only requires a low-cost 13MHz crystal to operate, eliminating the need for expensive external components.

Intelligent power management: The ATA5724P3C-TKQW features an auto-polling function that automatically switches operating states, significantly reducing average system current consumption.

Design flexibility: The ATA5724P3C-TKQW is software-compatible with the ATA5743, supporting code reuse; it offers three pin-compatible versions, enabling a single PCB design to meet RF specifications across different regions worldwide.

Reliable Connectivity: The ATA5724P3C-TKQW uses a PCB surface-mount antenna connection method, simplifying RF layout design and enhancing system reliability.

Typical Application Scenarios

Automotive Electronics Applications:

Keyless Entry System (PKE): ATA5724P3C-TKQW serves as the RF reception core, enabling secure communication between the vehicle and the remote key, with a long response range and strong anti-interference capability.

Tyre Pressure Monitoring System (TPMS): ATA5724P3C-TKQW receives low-frequency signals from tyre sensors, maintaining a stable connection even at high speeds.

In-vehicle Remote Control System: The ATA5724P3C-TKQW is used in wireless control modules for functions such as door locking/unlocking, trunk opening, and vehicle location.

Industrial Control Applications:

Wireless Sensor Networks: The ATA5724P3C-TKQW is used to build reliable data acquisition systems in factory automation environments, transmitting sensor data such as temperature, pressure, and vibration.

Remote Monitoring Equipment: The ATA5724P3C-TKQW is used for wireless monitoring of equipment status in harsh industrial environments, with a wide temperature design to accommodate extreme temperature conditions.

Industrial Remote Controllers: The ATA5724P3C-TKQW replaces traditional wired controls, enhancing operational flexibility and safety.

Consumer Electronics and IoT:

Smart home control: ATA5724P3C-TKQW is used in wireless doorbells, smart lighting control, curtain motors, and other home appliances as an RF receiver module.

Wireless security systems: ATA5724P3C-TKQW receives alarm signals from security devices such as door/window sensors and infrared detectors.

Remote meter reading systems: Wireless data collection for utility devices such as water meters, electricity meters, and gas meters.

Medical and Health Devices:

Wireless Medical Monitoring: The ATA5724P3C-TKQW is used in portable medical devices to transmit vital signs data, with its low-power characteristics extending device usage time.

Health Wearable Devices: The ATA5724P3C-TKQW communicates with base station units to transmit fitness and health data.