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ST25R3911B - High performance HF reader / NFC initiator

Description

The ST25R3911B is a highly integrated NFC Initiator / HF reader IC, including 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 14443A and B reader (including high bit rates), ISO 15693 reader and FeliCa™

Features

  • ISO 18092 (NFCIP-1) Active P2P.
  • ISO14443A, ISO14443B, ISO15693 and FeliCa™.
  • Supports VHBR (3.4 Mbit/s PICC to PCD framing, 6.8 Mbit/s AFE and PCD to PICC framing).
  • Capacitive sensing - Wake-up.
  • Automatic antenna tuning system providing tuning of antenna LC tank.
  • Automatic modulation index adjustment.
  • AM and PM demodulator channels with automatic selection.
  • DPO (Dynamic power output).
  • Up to 1.4 W in case of differen.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ST25R3911B Datasheet High performance HF reader / NFC initiator with 1.4 W supporting VHBR and AAT QFN32/VFQFPN32 (5 × 5 mm) Wafer Product status link ST25R3911B Features • ISO 18092 (NFCIP-1) Active P2P • ISO14443A, ISO14443B, ISO15693 and FeliCa™ • Supports VHBR (3.4 Mbit/s PICC to PCD framing, 6.8 Mbit/s AFE and PCD to PICC framing) • Capacitive sensing - Wake-up • Automatic antenna tuning system providing tuning of antenna LC tank • Automatic modulation index adjustment • AM and PM demodulator channels with automatic selection • DPO (Dynamic power output) • Up to 1.
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