ST25R3918-AQWT

Multi-purpose NFC transceiver

Parameters

Supply Voltage Min Volt	2.4
Supply Voltage Max Volt	5.5
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	105.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tape And Reel
RoHs compliant	Ecopack2
Grade	Industrial
Package Name	VFQFPN 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...
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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	$4.81	0%
10-24	$3.70	23%
25-99	$3.36	30%
100-249	$2.94	39%
250-499	$2.72	44%
500	$2.57	47%
500 +	Contact sales

$4.81

Parameters

Supply Voltage Min Volt	2.4
Supply Voltage Max Volt	5.5
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	105.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tape And Reel
RoHs compliant	Ecopack2
Grade	Industrial
Package Name	VFQFPN 5X5X1 32L WETTABLE FLANKS

Description

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