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ST1VAFE3BXTR

Biosensor with vAFE (vertical analog front-end) for biopotential signals and ultralow-power accelerometer with AI and antialiasing

Target ApplicationElectrocardiography (ECG)
Operating Temp Min Celsius85.0
Operating Temp Max Celsius-40.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameLGA 2X2X0.74MAX 12 LEADS

The ST1VAFE3BX is a biosensor embedding a vAFE channel to detect biopotential signals and a high-performance 3-axis digital accelerometer for motion tracking.The device has been designed with a very compact, low-noise, and low-power vAFE with configurable input impedance. The vAFE enables reading...
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Key features
  • Dual channels for biopotential signal detection and motion tracking
  • Supply voltage range from 1.62 V to 3.6 V
    • Independent I/O supply (1.62 V to 3.6 V) for I²C and SPI interfaces
    • Independent I/O supply (extended range: 1.08 V to 3.6 V) for MIPI I3C® interface
  • Ultralow supply current at 48.1 µA (typ.) in high-performance mode
    • Power-down: 2.6 µA
  • Biopotential signal detection channel with analog hub
    • Single-channel, differential input amplifier (vAFE)
    • Programmable gain and input impedance
    • 12-bit ADC resolution
    • ODR up to 3200 Hz when using analog hub / vAFE channel only
  • Accelerometer channel
    • Low noise down to 220 µg/√Hz
    • ±2g/±4g/±8g/±16g programmable full-scale
    • ODR from 1.6 Hz to 800 Hz
  • Embedded machine learning core
    • For analog hub / vAFE data up to 1.6 kHz
  • Programmable finite state machine
    • For analog hub / vAFE data up to 1.6 kHz
  • Adaptive self-configuration (ASC) based on the sensor processing output (FSM / MLC)
  • Embedded FIFO: up to 128 samples of accelerometer and analog hub / vAFE data or 256 samples of accelerometer data at low resolution
  • High-speed I²C/SPI/MIPI I3C® digital output interface
  • Advanced pedometer, step detector and step counter
  • Self-test
  • Small package: 2.0 x 2.0 x 0.74 (max) mm, LGA 12-lead
  • 10000 g high shock survivability
  • ECOPACK and RoHS compliant
In stock
Quantity $ per unit Savings
1-9$3.300%
10-24$2.4825%
25-99$2.2731%
100-249$2.0538%
250-499$1.9441%
500$1.8743%
Contact sales
$3.30
$3.30
or
Target ApplicationElectrocardiography (ECG)
Operating Temp Min Celsius85.0
Operating Temp Max Celsius-40.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameLGA 2X2X0.74MAX 12 LEADS

The ST1VAFE3BX is a biosensor embedding a vAFE channel to detect biopotential signals and a high-performance 3-axis digital accelerometer for motion tracking.The device has been designed with a very compact, low-noise, and low-power vAFE with configurable input impedance. The vAFE enables reading...
Read More

Key features
  • Dual channels for biopotential signal detection and motion tracking
  • Supply voltage range from 1.62 V to 3.6 V
    • Independent I/O supply (1.62 V to 3.6 V) for I²C and SPI interfaces
    • Independent I/O supply (extended range: 1.08 V to 3.6 V) for MIPI I3C® interface
  • Ultralow supply current at 48.1 µA (typ.) in high-performance mode
    • Power-down: 2.6 µA
  • Biopotential signal detection channel with analog hub
    • Single-channel, differential input amplifier (vAFE)
    • Programmable gain and input impedance
    • 12-bit ADC resolution
    • ODR up to 3200 Hz when using analog hub / vAFE channel only
  • Accelerometer channel
    • Low noise down to 220 µg/√Hz
    • ±2g/±4g/±8g/±16g programmable full-scale
    • ODR from 1.6 Hz to 800 Hz
  • Embedded machine learning core
    • For analog hub / vAFE data up to 1.6 kHz
  • Programmable finite state machine
    • For analog hub / vAFE data up to 1.6 kHz
  • Adaptive self-configuration (ASC) based on the sensor processing output (FSM / MLC)
  • Embedded FIFO: up to 128 samples of accelerometer and analog hub / vAFE data or 256 samples of accelerometer data at low resolution
  • High-speed I²C/SPI/MIPI I3C® digital output interface
  • Advanced pedometer, step detector and step counter
  • Self-test
  • Small package: 2.0 x 2.0 x 0.74 (max) mm, LGA 12-lead
  • 10000 g high shock survivability
  • ECOPACK and RoHS compliant