Overview
The TRF7962A device, produced by Texas Instruments, is an integrated analog front-end (AFE) and data-framing device designed for 13.56-MHz RFID reader/writer systems. It supports ISO/IEC 15693 and ISO/IEC 18000-3 standards, making it suitable for a wide range of applications in proximity and vicinity identification systems. The device features built-in programming options, allowing for fine-tuning of various reader parameters and support for multiple data rates and modulation schemes.
Key Specifications
| Parameter | Description |
|---|---|
| Input Voltage Range | 2.7 VDC to 5.5 VDC |
| Programmable Output Power | +20 dBm (100 mW) or +23 dBm (200 mW) |
| Programmable I/O Voltage Levels | 1.8 VDC to 5.5 VDC |
| Programmable System Clock Frequency Output | RF, RF/2, RF/4 |
| Programmable Modulation Depth | Supports OOK and ASK modulation |
| Receiver Architecture | Dual-input receiver with RSSI for noise detection |
| Power Modes | Programmable power modes with ultra-low-power design (Power Down < 0.5 µA) |
| Interface | Parallel or SPI interface |
| Integrated Voltage Regulator | Delivers up to 20 mA for MCU and external circuits |
| Temperature Range | –25°C to 85°C |
| Package | 32-Pin QFN Package (5 mm × 5 mm) (RHB) |
Key Features
- Completely integrated protocol handling for ISO/IEC 15693 and ISO/IEC 18000-3 standards.
- Support for NFC Forum tag types 1 and 5 with built-in protocol decoders.
- Dual receiver architecture with RSSI for eliminating 'read holes' and detecting ambient noise.
- Programmable output power, I/O voltage levels, and system clock frequency output.
- Support for OOK and ASK modulation with selectable modulation depth.
- Ultra-low-power system design with programmable power modes.
- Parallel or SPI interface for communication with the MCU.
- Integrated voltage regulator for supplying the MCU and external circuits.
Applications
- Product Authentication
- Access Control
- Digital Door Locks
- Library Management
- Medical Systems
- Remote Sensor Applications
Q & A
- What is the operating frequency of the TRF7962A device?
The TRF7962A device operates at a frequency of 13.56 MHz.
- What standards does the TRF7962A device support?
The device supports ISO/IEC 15693 and ISO/IEC 18000-3 standards.
- What are the programmable output power levels of the TRF7962A?
The device has programmable output power levels of +20 dBm (100 mW) or +23 dBm (200 mW).
- What types of modulation does the TRF7962A support?
The device supports OOK and ASK modulation with selectable modulation depth.
- What is the temperature range of the TRF7962A device?
The temperature range is –25°C to 85°C.
- What is the package type of the TRF7962A device?
The device comes in a 32-Pin QFN Package (5 mm × 5 mm) (RHB).
- Does the TRF7962A support NFC Forum tag types?
Yes, it supports NFC Forum tag types 1 and 5.
- What interfaces are available for communication with the MCU?
The device supports parallel or SPI interfaces.
- What is the purpose of the integrated voltage regulator in the TRF7962A?
The integrated voltage regulator delivers up to 20 mA to supply the MCU and additional external circuits.
- How does the TRF7962A handle power consumption?
The device has programmable power modes for ultra-low-power system design, with a power down mode of less than 0.5 µA.
