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AS3932 LF Receiver IC

Programmable 3D LF wake-up receiver


  • Programmable wake-up pattern
  • 100µV wake-up sensivity
  • Low power listening mode (1.7µA)
  • One-, two- or three-channel operation


  • Eliminates false wake-up
  • Provides long range wake-up
  • Enables long battery life
  • Works with 3D antenna

Product parameters

Channels [#] 3
Wake-Up Sensitivity [µVpp] 282
LF Carrier Freq. Range [kHz] 110 - 150
Data Rate (Manch.) [kbit/s] 0.5 - 4
Dynamic Range [dB] 64
RSSI Step [dB] 2
Package TSSOP-16 \ QFN-16
Features 16bit programmable wake-up pattern
Supply [V] 2.4-3.6V
Current Consumption [(PD/Listening/Active) µA] 0.4/2.7/8.3
Interface Serial Peripheral Interface
Temperature Range [°C] -40 to +85

General Description

The AS3932 is a 3-channel ASK receiver that generates a wake-up signal upon detection of a data signal with a carrier frequency in the range of 110-150 kHz. It can be used to wake-up active tags in RTLS, PKE and other similar tracking and access control systems.

This product suits for the following applications:

  • Real-time location systems (RTLS)
  • High-value asset tracking
  • Container tracking
  • Operator identification
  • Passive keyless entry (PKE)
  • Wireless sensors


Title Category Headline Buy
AS3932DemoKit Application Board Demo Kit for AS3932

Technical Documents

Type Description Language
Application Note Migration from ATA5282 (3D) English
Application Note Migration from ATA5283 (1D) English
Application Note Tank circuit design English
Application Note Non-univocal pattern detection (v1-04) English
Block Diagram AS3932 Block Diagram English
Datasheet Document version 1-83 English
Other Product Document AS3932DemoKit Image English
User Guide Standard board DK English

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