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ST25RU3993 Datasheet(PDF) 1 Page - STMicroelectronics |
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ST25RU3993 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 90 page  This is information on a product in full production. March 2017 DocID029764 Rev 5 1/90 ST25RU3993 UHF RFID single chip reader EPC Class1 Gen2 compatible Datasheet - production data Features • 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 Description 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 equipment such as mobile phones. Packaged in a 7x7 mm QFN, the ST25RU3993 is able to deliver very high sensitivity and provides high immunity against the effects of antenna reflection and self-jamming. This is critical in mobile and embedded applications, in which antenna design is often compromised by cost or size constraints. High sensitivity enables the end- products to achieve their required read range while using a simpler and cheaper antenna, thus reducing overall system cost. Thanks to its high level of integration, the ST25RU3993 requires only an external 8-bit microcontroller to create a complete RFID reader system, thus eliminating the need for a complex RFID co-processor. QFN48 www.st.com |
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