Overview
The TRF7960ARHBT from Texas Instruments is a multi-protocol, fully integrated 13.56-MHz RFID reader/writer IC. This device is designed to support various RFID protocols including ISO/IEC 14443 A and B, Sony FeliCa, and ISO/IEC 15693. It is an integrated analog front-end (AFE) and data-framing system, making it suitable for a wide range of applications in proximity and vicinity identification systems.
Key Specifications
Parameter | Value | Unit |
---|---|---|
Operating Input Voltage | 2.7 to 5.5 | V |
Operating Ambient Temperature | –40 to 110 | °C |
Operating Virtual Junction Temperature | –40 to 125 | °C |
Data Rates | Up to 848 kbps | |
Output Power Levels | 100 mW (+20 dBm) or 200 mW (+23 dBm) | |
Modulation Types | OOK and ASK with selectable modulation depth | |
Interface | SPI or parallel | |
Package Type | 32-Pin QFN (5 mm × 5 mm) |
Key Features
- Completely integrated protocol handling for ISO/IEC 14443 A and B, Sony FeliCa, and ISO/IEC 15693.
- Separate internal high-PSRR power supplies for analog, digital, and PA sections to ensure noise isolation and superior read range.
- Dual receiver inputs with AM and PM demodulation to minimize communication holes.
- Receiver AM and PM RSSI for signal strength monitoring.
- Reader-to-reader anticollision support.
- Programmable system clock frequency output (RF, RF/2, RF/4).
- Programmable modulation depth and adjustable ASK modulation range (8% to 30%).
- Integrated voltage regulator for microcontroller supply, delivering up to 20 mA.
- Programmable power modes for ultra-low-power system design (power down < 0.5 µA).
Applications
- Secure access control.
- Product authentication.
- Digital door locks.
- Public transport or event ticketing.
- Medical systems.
- Remote sensor applications.
Q & A
- What is the operating frequency of the TRF7960ARHBT? The operating frequency is 13.56 MHz.
- Which RFID protocols does the TRF7960ARHBT support? It supports ISO/IEC 14443 A and B, Sony FeliCa, and ISO/IEC 15693.
- What are the output power levels of the TRF7960ARHBT? The output power levels are 100 mW (+20 dBm) or 200 mW (+23 dBm) equivalent into a 50-Ω load.
- What types of modulation does the TRF7960ARHBT support? It supports OOK and ASK modulation with selectable modulation depth.
- What is the temperature range for the TRF7960ARHBT? The operating ambient temperature range is –40°C to 110°C.
- What interfaces are available for communication with the MCU? The device supports SPI or parallel interfaces.
- What is the package type of the TRF7960ARHBT? It is a 32-Pin QFN package (5 mm × 5 mm).
- Does the TRF7960ARHBT have built-in power management features? Yes, it has programmable power modes for ultra-low-power system design and an integrated voltage regulator for microcontroller supply.
- Can the TRF7960ARHBT be used for custom protocols? Yes, it supports custom protocols through Direct Mode 0, allowing full control over the AFE and access to raw subcarrier data.
- What is the maximum data rate supported by the TRF7960ARHBT? The device supports data rates up to 848 kbps.