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    Shipping Delays — We are currently experiencing unusually high order volume, which is affecting order processing. As a result, shipments may be delayed. We are working to get orders out as quickly as possible.

    ST25R3918-AQET

    ST25R3918-AQET

    main product photo

    NRND

    ST25R3918-AQWT

    Multi-purpose NFC transceiver

    Parameters
    Supply Voltage Min Volt2.4
    Supply Voltage Max Volt5.5
    Operating Temp Min Celsius-40.0
    Operating Temp Max Celsius105.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeIndustrial
    Package NameVFQFPN 5X5X1 32L WETTABLE FLANKS
    Description

    The ST25R3918 is a multipurpose NFC transceiver supporting NFC reader, passive peer to peer functionality and NFC card emulation mode.This IC is optimized for IOT and other consumer or industrial applications where excellent analog performance is required.The ST25R3918 is also optimized to achieve...
    Read More

    Key features
    Key features
    • Operating modes
      • Reader/writer
      • Card emulation
      • Passive peer to peer
    • RF communication
      • NFC-A / ISO14443A up to 848 kbit/s
      • NFC-B / ISO14443B up to 848 kbit/s
      • NFC-V / ISO15693 up to 53 kb/s
      • NFC-A / ISO14443A and NFC-F / FeliCa™ card emulation
      • Low level modes to implement MIFARE Classic® compliant or other custom protocols
    • Key features
      • Dynamic power output (DPO) controls the field strength to stay within given limits
      • Active wave shaping (AWS) reduces over-and under-shoots
      • Noise suppression receiver (NSR) allows reception in noisy environment
      • Automatic gain control and squelch feature to maximize SNR
      • Low power capacitive and inductive card detection
      • Low power NFC passive target modes
      • Adjustable ASK modulation depth, from 5 to 40%
      • Integrated regulators to boost system PSRR
      • AM/PM and I/Q demodulator with baseband channel summation or automatic channel selection
      • Possibility to drive two independent single ended antennas
      • Measurement of antenna voltage amplitude and phase, RSSI, on-chip supply and regulated voltages
    • External communication interfaces
      • 512-byte FIFO
      • Serial peripheral interface (SPI) up to 10 Mbit/s
      • I2C with up to 400 kbit/s in Fast-mode, 1 Mbit/s in Fast-mode Plus, and 3.4 Mbit/s in High-speed mode
    • Electrical characteristics
      • Wide supply voltage and ambient temperature range (2.6 to 5.5 V from -40 °C to +105 °C, 2.4 to 5.5 V from -20 °C to +105 °C)
      • Wide peripheral communication supply range, from 1.65 to 5.5 V
      • Quartz oscillator capable of operating with 27.12 MHz crystal with fast start-up
    In stock
    Quantity $ per unit Savings
    1-9$4.302%
    10-24$3.7212%
    25-99$3.5216%
    100-249$2.8832%
    250-500$2.8433%
    500 + Contact sales
    $4.30
    $4.21
    Parameters
    Supply Voltage Min Volt2.4
    Supply Voltage Max Volt5.5
    Operating Temp Min Celsius-40.0
    Operating Temp Max Celsius105.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeIndustrial
    Package NameVFQFPN 5X5X1 32L WETTABLE FLANKS
    Description

    The ST25R3918 is a multipurpose NFC transceiver supporting NFC reader, passive peer to peer functionality and NFC card emulation mode.This IC is optimized for IOT and other consumer or industrial applications where excellent analog performance is required.The ST25R3918 is also optimized to achieve...
    Read More

    Key features
    Key features
    • Operating modes
      • Reader/writer
      • Card emulation
      • Passive peer to peer
    • RF communication
      • NFC-A / ISO14443A up to 848 kbit/s
      • NFC-B / ISO14443B up to 848 kbit/s
      • NFC-V / ISO15693 up to 53 kb/s
      • NFC-A / ISO14443A and NFC-F / FeliCa™ card emulation
      • Low level modes to implement MIFARE Classic® compliant or other custom protocols
    • Key features
      • Dynamic power output (DPO) controls the field strength to stay within given limits
      • Active wave shaping (AWS) reduces over-and under-shoots
      • Noise suppression receiver (NSR) allows reception in noisy environment
      • Automatic gain control and squelch feature to maximize SNR
      • Low power capacitive and inductive card detection
      • Low power NFC passive target modes
      • Adjustable ASK modulation depth, from 5 to 40%
      • Integrated regulators to boost system PSRR
      • AM/PM and I/Q demodulator with baseband channel summation or automatic channel selection
      • Possibility to drive two independent single ended antennas
      • Measurement of antenna voltage amplitude and phase, RSSI, on-chip supply and regulated voltages
    • External communication interfaces
      • 512-byte FIFO
      • Serial peripheral interface (SPI) up to 10 Mbit/s
      • I2C with up to 400 kbit/s in Fast-mode, 1 Mbit/s in Fast-mode Plus, and 3.4 Mbit/s in High-speed mode
    • Electrical characteristics
      • Wide supply voltage and ambient temperature range (2.6 to 5.5 V from -40 °C to +105 °C, 2.4 to 5.5 V from -20 °C to +105 °C)
      • Wide peripheral communication supply range, from 1.65 to 5.5 V
      • Quartz oscillator capable of operating with 27.12 MHz crystal with fast start-up
    Associated products