Overview
The TRF7960ARHBR, produced by Texas Instruments, is a multi-protocol fully integrated 13.56-MHz RFID reader/writer IC. This device is an integrated analog front-end (AFE) and multiprotocol data-framing system, supporting various RFID standards including ISO/IEC 14443 A and B, Sony FeliCa, and ISO/IEC 15693. It is designed for a wide range of applications in proximity and vicinity identification systems.
The TRF7960ARHBR offers high flexibility and ease of use, with built-in programming options and automatic configuration for each supported ISO protocol. It features a dual-input receiver architecture to maximize communication robustness and includes various automatic and manual gain control options.
Key Specifications
| Parameter | Description |
|---|---|
| Operating Frequency | 13.56 MHz |
| Supported Protocols | ISO/IEC 14443 A and B, Sony FeliCa, ISO/IEC 15693, NFC Forum Device Types 2 to 5 |
| Input Voltage Range | 2.7 VDC to 5.5 VDC |
| Output Power | +20 dBm (100 mW) or +23 dBm (200 mW) |
| Modulation | OOK and ASK with adjustable modulation depth (8% to 30%) |
| Interface | Parallel 8-Bit or Serial 4-Pin SPI with 12-Byte FIFO |
| Package | 32-Pin QFN (5 mm × 5 mm) |
| Temperature Range | –40°C to 110°C |
| Power Modes | Power Down: < 0.5 µA, Standby: 120 µA, Active (RX Only): 10 mA |
| Voltage Regulator | Adjustable 20-mA High-PSRR LDO for powering external MCU |
Key Features
- Completely integrated protocol handling for multiple RFID standards
- Dual receiver architecture with RSSI for eliminating 'read holes' and detecting ambient noise
- Programmable power modes for ultra-low-power system design
- Parallel or SPI interface for communication with MCU
- Integrated voltage regulator for microcontroller supply
- Selectable output power and modulation depth
- Built-in receiver band-pass filter with user-selectable corner frequencies
- High integration reduces total BOM and board area
- Ultra-low-power modes and high PSRR power supplies for noise isolation
Applications
- Secure access control systems
- Product authentication
- Medical systems
- Public transport or event ticketing systems
- Proximity and vicinity identification systems
Q & A
- What is the operating frequency of the TRF7960ARHBR?
The operating frequency of the TRF7960ARHBR is 13.56 MHz.
- Which RFID protocols does the TRF7960ARHBR support?
The TRF7960ARHBR supports ISO/IEC 14443 A and B, Sony FeliCa, ISO/IEC 15693, and NFC Forum Device Types 2 to 5.
- What is the input voltage range for the TRF7960ARHBR?
The input voltage range is 2.7 VDC to 5.5 VDC.
- What are the output power levels of the TRF7960ARHBR?
The output power levels are +20 dBm (100 mW) or +23 dBm (200 mW).
- What types of modulation does the TRF7960ARHBR support?
The device supports OOK and ASK modulation with adjustable modulation depth (8% to 30%).
- What interfaces are available for communication with the MCU?
The device supports parallel 8-bit or serial 4-pin SPI interfaces with a 12-byte FIFO.
- What is the package type and size of the TRF7960ARHBR?
The device is packaged in a 32-pin QFN package (5 mm × 5 mm).
- What is the temperature range for the TRF7960ARHBR?
The temperature range is –40°C to 110°C.
- What are the power modes available for the TRF7960ARHBR?
The device has power down (< 0.5 µA), standby (120 µA), and active (RX only: 10 mA) power modes.
- Does the TRF7960ARHBR have an integrated voltage regulator?
Yes, it has an adjustable 20-mA High-PSRR LDO for powering an external MCU.
