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ST25R3910 - Mid-range HF reader

Description

The ST25R3910 is a

Features

  • Close loop adjustment of ASK modulation for accurate control of modulation depth in case of ISO-14443B protocol.
  • Low power (3.5 μA) NFC target mode.
  • AM/PM demodulator.
  • Accurate RF envelope measurement (8-bit A/D converter).
  • High output power at 3.3 V power supply:.
  • Up to 700 mW in case regulator is externally shorted.
  • Up to 500 mW in case of differential output when antenna trimming is used.
  • Up to 125 mW in case of single e.

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Datasheet preview – ST25R3910

Datasheet Details

Part number ST25R3910
Manufacturer STMicroelectronics
File Size 758.66 KB
Description Mid-range HF reader
Datasheet download datasheet ST25R3910 Datasheet
Additional preview pages of the ST25R3910 datasheet.

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Full PDF Text Transcription

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ST25R3910 Mid-range HF reader with 0.7 W supporting AAT QFN32 Features • Close loop adjustment of ASK modulation for accurate control of modulation depth in case of ISO-14443B protocol • Low power (3.5 μA) NFC target mode • AM/PM demodulator • Accurate RF envelope measurement (8-bit A/D converter) • High output power at 3.3 V power supply: – Up to 700 mW in case regulator is externally shorted – Up to 500 mW in case of differential output when antenna trimming is used – Up to 125 mW in case of single ended output when antenna trimming is used • Squelch for gain reduction, to compensate for noise generated by tag processing • Automatic Antenna tuning (AAT) • Transparent mode • Amplitude and phase measurement • Supporting 13.56 MHz and 27.
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