TRF7970A
TRF7970A is NFC Transceiver manufactured by Texas Instruments.
ures
- Supports Near Field munication (NFC) Standards NFCIP-1 (ISO/IEC 18092) and NFCIP‑2 (ISO/IEC 21481)
- pletely Integrated Protocol Handling for ISO/IEC 15693, ISO/IEC 18000-3, ISO/IEC 14443 A and B, and Feli Ca™
- Integrated Encoders, Decoders, and Data Framing for NFC Initiator, Active and Passive Target Operation for All Three Bit Rates (106 kbps, 212 kbps, 424 kbps), and Card Emulation
- RF Field Detector With Programmable Wake-up Levels for NFC Passive Transponder Emulation Operation
- RF Field Detector for NFC Physical Collision Avoidance
- Integrated State Machine for ISO/IEC 14443 A Anticollision (Broken Bytes) Operation (Transponder Emulation or NFC Passive Target)
- Input Voltage Range: 2.7 VDC to 5.5 VDC
- Programmable Output Power: +20 d Bm (100 m W), +23 d Bm (200 m W)
- Programmable I/O Voltage Levels From 1.8 VDC to 5.5 VDC
- Programmable System Clock Frequency Output (RF, RF/2, RF/4) from 13.56-MHz or 27.12-MHz Crystal or Oscillator
- Integrated Voltage Regulator Output for Other System ponents (MCU, Peripherals, Indicators), 20 m A (Max)
- Programmable Modulation Depth
- Dual Receiver Architecture With RSSI for Elimination of "Read Holes" and Adjacent Reader System or Ambient In-Band Noise Detection
- Programmable Power Modes for Ultra Low-Power System Design (Power Down <1 µA)
- Parallel or SPI Interface (With 127-Byte FIFO)
- Temperature Range:
- 40°C to 110°C
- 32-Pin QFN Package (5 mm × 5 mm)
1.2 Applications
- Mobile Devices (Tablets, Handsets)
- Secure Pairing ( Bluetooth®, Wi-Fi®, Other Paired
Wireless Networks)
- Public Transport or Event Ticketing
- Passport or Payment (POS) Reader Systems
- Short-Range Wireless munication Tasks (Firmware Updates)
- Product Identification or Authentication
- Medical Equipment or Consumables
- Access Control, Digital Door Locks
- Sharing of Electronic Business...
