General Description

The AS3930 is a single-channel low power ASK receiver that is able to generate a wake-up 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 wake up pattern.

Key Features

Single channel ASK wake-up receiver

Carrier frequency range 110 - 150 kHz

Programmable wake-up pattern (16bits)

Doubling of wake-up pattern supported

Wake-up without pattern detection supported

Wake-up sensitivity 100µVRMS (typ.)

Adjustable sensitivity level

Highly resistant to false wake-ups

False wake-up counter

Periodical forced wake-up supported (1s – 2h)

Low power listening modes

Current consumption in listening mode 1.37µA (typ.)

Programmable data-rate 0.5-4 kbaud (Manchester encoded)

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 -40ºC to +85ºC

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

Bi-directional serial digital interface (SDI)

Package options: 16-pin TSSOP and QFN 4x4 16 LD

Applications

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