General Description

   The AS3930 is a single-channel low power ASK receiver that is able to generate a wakeup upon detection of a data signal which uses a LF carrier frequency between 110 - 150 kHz. The integrated correlator can be used for detection of a programmable 16-bit wakeup pattern.

KEY FEATUREs

◾ Single channel ASK wakeup receiver

◾ Carrier frequency range 110 - 150 kHz

◾ Programmable wakeup pattern (16bits)

◾ Doubling of wakeup pattern supported

◾ Wakeup without pattern detection supported

◾ Wakeup sensitivity 100µVRMS (typ.)

◾ Adjustable sensitivity level

◾ Highly resistant to false wakeups

◾ False wakeup counter

◾ Periodical forced wakeup supported (1s – 2h)

◾ Low power listening modes

◾ Current consumption in listening mode 1.37 µA (typ.)

◾ Data rate adjustable from 0.5 - 4 kbps (Manchester)

◾ Manchester decoding with clock recovery

◾ Digital RSSI

◾ Dynamic range 64dB

◾ 5 bit RSSI step (2dB per step)

◾ RTC based on 32kHz XTAL, RC-OSC, or external clock

◾ Operating temperature range -40 to +85ºC

◾ Operating supply voltage 2.4 - 3.6V (TA = 25ºC)

◾ Bidirectional serial digital interface (SDI)

◾ Package option 16 pin TSSOP, QFN 4x4 16 LD

APPLICATIONs

   The AS3930 is ideal for Active RFID tags, real-time location systems, operator identification, access control, and wireless sensors.