- Supply voltage range 3.0 to 3.6 V
- Frequency hopping support
- ASK or PR-ASK modulation
- Phase bit for tag tracking with 8-bit linear RSSI
The ST25RU3993 is an EPC Class 1 Gen 2 RFID reader IC that implements all the relevant protocols, including ISO 18000-6C, the ISO 29143 air-interface protocol for mobile RFID interrogators, and ISO 18000-6A/B for operation in direct mode.It includes an on-chip VCO and a power amplifier, and offers a complete set of RFID features including Dense Reader Mode (DRM) functionality and support for frequency-hopping, low-level transmission coding, low-level decode, data framing and CRC checking.The ST25RU3993 operates at very low-power, making it suitable for use in portable and battery-powered apps.
- Supply voltage range 3.0 to 3.6 V
- Limited operation possible down to 2.7 V
- Maximum PA supply voltage 4.3 V
- Peripheral I/O supply range 1.65 to 5.5 V
- Protocol support for:
- ISO 18000-6C (EPC Class1 Gen2)
- ISO 29143 (Air interface for mobile RFID)
- ISO 18000-6A/B through direct mode
- DRM: 250 kHz and 320 kHz filters for M4 and M8
- Integrated supply regulators
- Frequency hopping support
- ASK or PR-ASK modulation
- Automatic I/Q selection
- Phase bit for tag tracking with 8-bit linear RSSI
- Temperature range: -40° C to 85° C
- 48-pin QFN (7x7x0.9 mm) package
- Battery powered NFC readers
- Authentification
- Stationary readers in shops
- Dongle reader