ams AG - global leader in the design and manufacture of high performance analog ICs (integrated circuits)

AS3911 NFC/HF Reader

High performance HF/NFC reader IC for payment

 

The AS3911B is a high performance NFC Reader IC ideal for payment terminals or challenging applications. Unique features include Antenna Auto Tuning, 1W of output power and capacitive Wakeup.

Key Features

  • Up to 1W of output power
  • Antenna Auto Tuning
  • Capacitive Wakeup
  • Automatic Modulation Depth Adjustment

Key Benefits

  •  No need for external booster
  • Works in challenging environments
  • Ultralow power wakeup at 5µA
  • Interoperability with type B

Product Facts

Protocols supported [ ] ISO 14443A/B (848kbps)
ISO 15693
ISO 18092 (NFC active)
FeliCa
EMVCo
Frequency [MHz] 13.56
Antenna management [ ]
Wakeup [ ] Capacitive & inductive
Closed loop modulation depth adjustment
Max. output power [mW] 1000
Datarate [kbps] up to 6800 (VHBR)
Supply voltage [V] 2.4 - 5.5
Temperature range [°C] -40 to +125
Package [ ] QFN-32 (5x5)

Additional Information

Applications

The AS3911B is suitable for a wide range of applications including

  • EMV Payment
  • Access Control
  • Automotive
  • NFC Infrastructure and
  • Ticketing