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AS3911B

ams
Part Number AS3911B
Manufacturer ams
Description NFC Initiator / HF Reader
Published Feb 18, 2015
Detailed Description General Description AS3911B NFC Initiator / HF Reader IC The AS3911B is a highly integrated NFC Initiator / HF Reader I...
Datasheet PDF File AS3911B PDF File

AS3911B
AS3911B

Overview
General Description AS3911B NFC Initiator / HF Reader IC The AS3911B is a highly integrated NFC Initiator / HF Reader IC.
It includes the analog front end (AFE) and a highly integrated data framing system for ISO 18092 (NFCIP-1) initiator, ISO 18092 (NFCIP-1) active target, ISO 14443 A and B reader (including high bit rates) and FeliCa™ reader.
Implementation of other standard and custom protocols like MIFARE™ Classic1 is possible through using the AFE and implementing framing in the external microcontroller (Stream and Transparent modes).
Compared with concurrent NFC devices designed with the mobile phone in mind, the AS3911B is positioned perfectly for the infrastructure side of the NFC system, where users need optimal RF performance and flexibility combined with low power.
With ams’ unique Automatic Antenna Tuning technology, the device is optimized for applications with directly driven antennas.
The AS3911B is alone in the domain of HF Reader ICs in that it contains two differenti...


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