ST25R3914-AQWT

Active
Automotive high performance HF reader / NFC initiator with 1 W output power supporting AAT
Quantity $ per Unit Savings
1 - 9$6.290%
10 - 24$5.5712%
25 - 99$5.2616%
100 - 249$4.5727%
250 - 499$4.3331%
500$3.8838%
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In stock:
$6.29
Parameter NameParameter Value
Supply Voltage Min Volt2.4
Supply Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
ROHS Compliance GradeEcopack2
GradeAutomotive
Package NameVFQFPN 5X5X1 32L WETTABLE FLANKS
Key features
  • AEC-Q100 qualified
  • ISO 18092 (NFCIP-1) Active P2P
  • ISO14443A, ISO14443B, ISO15693 and FeliCa™
  • Support HBR up to 848 kbit/s PICC to PCD and PCD to PICC framing
  • Capacitive sensing - Wake-up
  • Automatic antenna tuning system providing tuning of antenna LC tank (ST25R3914 only)
  • Automatic modulation index adjustment
  • AM and PM (I/Q) demodulator channels with automatic selection
  • Up to 1 W in case of differential output
  • User selectable and automatic gain control
  • Transparent and Stream modes to implement MIFARE™ Classic compliant or other custom protocols
  • Possibility of driving two antennas in single ended mode
  • Oscillator input capable of operating with 13.56 MHz or 27.12 MHz crystal with fast start-up
  • 6 Mbit/s SPI with 96 bytes FIFO
  • Wide supply voltage range from 2.4 V to 5.5 V
  • Wide temperature range: -40 °C to 125 °C
  • ST25R3914: VFQFPN32, 5 mm x 5 mm package with wettable flanks
  • ST25R3915: QFN32, 5 mm x 5 mm package