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AMS OSRAM GROUP AS7057-BWLM

Biosignal Sensor, 2 Channel, Analog Front End, 20 Bit, I2C, 1.7 V-1.98 V, WLCSP-16, -30 °C to 85 °C

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AMS OSRAM GROUP AS7057-BWLM
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Manufacturer Part No:
AS7057-BWLM
Order Code:
4158712

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Technical Datasheet:
AS7057-BWLM   Datasheet
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Product Overview

AS7057-BWLM is a biosignal sensor analogue frontend (AFE) and is next-generation vital sign sensor. It enables the user to detect biosignals such as photoplethysmography and pulse transit time, as well as proximity. PPG is the most used HRM method. It measures the pulse rate by sampling light modulated by the blood vessels, which expand and contract as blood pulses through them. Apart from HRM/HRV, optical blood pressure, and SpO2 are also enabled by the two independent working photodiode inputs of the AS7057. It is a size and performances optimized analogue frontend to support space-limited applications such as in-ear vital sign monitoring. It provides two LEDs and one VCSEL driver output, samples up to three photodiode inputs, and supports proximity detection integrated into one of the PPG signal channels. Application includes earbuds, wearables, optical sensor platform, fitness band, smart watch, smart patches heart rate monitor, and cuff-less optical blood pressure measurements.
  • Flexible LED/photodiode configuration, three LED drivers and three photodiode input pins
  • Enables optical blood pressure measurements, two synchronized PPG acquisition channels
  • Enables proximity detection for additional energy savings
  • Two independent, programmable sequence blocks inside the PPG signal acquisition
  • Good HRM measurement quality, low noise analogue optical front-end
  • Long operating time, hardware sequencer to offload processor
  • Adjustable LED driver with current control, allows smallest application size
  • Supply voltage range from 1.7 to 1.98V
  • Maximum LED pad voltage is 5V, max photo current input is 64µA (∑ signal range 1 to 64µA)
  • WLCSP package, operating free-air temperature range from -30 to 85°C

Product Information

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2 Channel Analog Front End

:
Biosignal Sensor

:
2Channels

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I2C

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1.7V

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1.98V

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-30°C

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85°C

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WLCSP

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16Pins

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20 bits

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-

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-

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-

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Technical Documents (1)

Packaging type Cut Tape

1,000 total stock globally Need more?

1,000 UK stock available for 5-8 business days delivery

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

$7.37 ( $8.11  Inc. GST)

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