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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
Datasheet Document version 1-83 English
Application Note Tank circuit design English
Application Note Migration from ATA5283 (1D) English
Application Note Migration from ATA5282 (3D) English
Application Note Non-univocal pattern detection (v1-04) English

Environmental Documents

Type Description Language
Material Declaration Form MDF_179990025_AS3932-BQFT English

Other Information

Type Description Language
Block Diagram AS3932 Block Diagram English

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