AS3931-ZTST

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	RFID Reader
Frequency:	19kHz ~ 150kHz
Standards:	--
Interface:	SPI
Voltage - Supply:	2.4 V ~ 5.5 V
Operating Temperature:	-20°C ~ 65°C
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP

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Introduction

AS3931-ZTST is an RFID (Radio Frequency Identification) IC used in RF Access and Monitoring applications. This IC is a specialized integrated circuit (IC) that embeds a low power, software-programmable RFID protocol, enabling reliable communication between recognized tags and scanners at short, medium-range and long-range.

Architecture

The IC is built based on an innovative architecture that maintains an active connection between the tag and the reader during a single read transaction. This enables the tag to inform the reader of its current state, whether it is powered on and in a \'unknown\' state or in a \'known\' state and contains valid information. This architecture also permits high bandwidth transfer between the tag and the reader, providing optimum performance in identification and tracking applications.

Application Field and Working Principle

AS3931-ZTST is designed to be used in RF Access and Monitoring applications. This IC mains in active connection between the tag and the reader during a single read transaction. This enables the reader to recognize the tag in its current state, whether it is powered on and in a \'unknown\' state or in a \'known\' state and contains valid information. While communicating, the tag\'s location and identity are encoded in the RF Signal and transmitted to the reader which will create a data exchange. This data exchange will then be used to control access to secure areas, detect and monitor objects and people entered in the system, or provide tracking and logistic data. In Access Control applications, the AS3931-ZTST can be used to securely authenticate users. This IC can be used to check specific privileges and control access to certain areas such as secure facilities. Additionally, it can be used to detect unauthorized entries or people without proper authorization. In Monitoring applications, this IC accelerates the data acquisition and enhancement of information. It facilitates the secure exchange of data in real time, obtaining precise location data and providing insight into activities performed within an area or area monitored.In terms of operations, this IC supports an extensive range of protocols, allowing for efficient data exchange and identification. The RFID protocol can be configured to run at 13.56 MHz at various data rates, ranging from 2 KB/s to 126 KB/s. Additionally, it supports high data throughput with up to 25 dB of link budget and provides excellent reception sensitivity, with a typical reading range of 10 cm to 10 m.

Conclusion

In conclusion, AS3931-ZTST is an RFID IC designed for use in RF Access and Monitoring applications. This IC enables reliable communication between tags and readers, providing security in access control applications and monitoring objects and people entered in the system. It supports an extensive range of protocols, allowing for efficient data exchange and identification.Overall, this IC provides a powerful solution for authentication, access control, and monitoring applications, delivering optimum performance, reliability and stability.

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