STMicroelectronics ST25R3911B-AQFT RF Transceiver, 32-Pin QFN

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Subtotal (1 reel of 4000 units)*

£10,012.00

(exc. VAT)

£12,016.00

(inc. VAT)

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4000 +£2.503£10,012.00

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RS Stock No.:
196-2004
Mfr. Part No.:
ST25R3911B-AQFT
Brand:
STMicroelectronics
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Brand

STMicroelectronics

Modulation Technique

AM

Package Type

QFN

Pin Count

32

Dimensions

5 x 5 x 0.95mm

Mounting Type

Surface Mount

Length

5mm

Width

5mm

Height

0.95mm

Maximum Operating Band 1 Frequency

13.56 MHz, 27.12MHz

Maximum Operating Supply Voltage

5.5 V

Maximum Operating Temperature

+125 °C

Minimum Operating Temperature

-40 °C

Number of Operating Bands

1

Minimum Operating Supply Voltage

2.4 V

COO (Country of Origin):
KR
The ST25R3911B is a highly integrated NFC Initiator / HF Reader IC, including the Analogue front end (AFE) and a highly integrated data framing system. Implementation of standard and custom protocols like MIFARE™ Classic is possible using the AFE and implementing framing in the external microcontroller (Stream and Transparent modes). The ST25R3911B is positioned perfectly for the infrastructure side of the NFC system, where users need optimal RF performance and flexibility combined with low power. Thanks to automatic antenna tuning (AAT) technology, the device is optimized for applications with directly driven antennas. The ST25R3911B is alone in the domain of HF reader ICs as it contains two differential low impedance (1 Ohm) antenna drivers. The ST25R3911B includes several features that make it very suited for low power applications. It contains a low power capacitive sensor that can be used to detect the presence of a card without switching on the reader field.

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