AS3911B |
Part Number | AS3911B |
Manufacturer | ams |
Description | AS3911B NFC Initiator / HF Reader IC The AS3911B is a highly integrated NFC Initiator / HF Reader IC. It includes the analog front end (AFE) and a highly integrated data framing system for ISO 18092 ... |
Features |
which make it incomparable for low power applications. It contains a low power capacitive sensor, which can be used to detect the presence of a card without switching on the reader field. Additionally, the presence of a card can also be detected by performing a measurement of amplitude or phase of signal on antenna LC tank and comparing it to stored reference. It also contains a low power RC oscillator and wake-up timer, which can be used to wake the system after a defined time period and check for the presence of a tag using one or more techniques of low power detection of card presence (cap... |
Document |
AS3911B Data Sheet
PDF 1.33MB |
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Diodes |
LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS |