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ST25R3910

STMicroelectronics
Part Number ST25R3910
Manufacturer STMicroelectronics
Description Mid-range HF reader
Published Apr 30, 2019
Detailed Description ST25R3910 Mid-range HF reader with 0.7 W supporting AAT QFN32 Features • Close loop adjustment of ASK modulation for a...
Datasheet PDF File ST25R3910 PDF File

ST25R3910
ST25R3910

Overview
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.
12 MHz quartz oscillator with fast start-up • Supply voltage range from 2.
4 to 3.
6 V • Wide temperature range: -40 ºC to 85 ºC • Package: 32-pin QFN (5x5mm) Datasheet - production data Description The ST25R3910 is a...


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