AS3933 datasheet(3/64 Pages) AMSCO

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[v1-08] 2015-Sep-02

AS3933 − General Description

Applications

The AS3933, 3D Low Frequency Wake-Up Receiver is ideal for

Active RFID tags, Real-time location systems, Operator

identification, Access control, and Wireless sensors.

Figure 2:

AS3933 Typical Application Diagram with Crystal Oscillator

• Adjustable range

• Sensitivity level adjustable

• Provides tracking of false wake-ups

• False wake-up counter

• Ensures wake-up in a noise environment

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

• Extended battery life

• Current consumption in 3-channel listening mode

2.3 μA (typ.)

• Flexible clock configuration

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

• Operates from a 3V battery

• Operating supply range 2.4V – 3.6V (TA = 25°C)

• Industrial temperature range

• Operation temperature range -40°C to 85°C

Benefits

Features

XTAL

CBAT

TRANSMITTER

VCC

LF1P

LF2P

LF3P

LFN

VSS

GND

XIN

XOUT

WAKE

DAT

CL_DAT

SCL

SDI

SDO

AS3933

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