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Details for AFE4404YZPT by Texas Instruments
Semiconductors - ICs > Special Function >
ANALOGUE FRONT END DSBGA-15
AFE4404YZPT image

AFE4404YZPT by Texas Instruments

ANALOGUE FRONT END DSBGA-15
Part Information
AFE4404YZPT image
RoHS Compliant
Description
The AFE4404 is an analog front-end (AFE) for optical bio-sensing applications, such as heart-rate monitoring (HRM) and saturation of peripheral capillary oxygen (SpO2). The device supports three switching light-emitting diodes (LEDs) and a single photodiode. The current from the photodiode is converted into voltage by the transimpedance amplifier (TIA) and digitized using an analog-to-digital converter (ADC). The ADC code can be read out using an I2C interface. The AFE also has a fullyintegrated LED driver with a 6-bit current control. The device has a high dynamic range transmit and receive circuitry that helps with the sensing of very small signal levels.
Specifications
IC Function:
Analogue Front End Device
Supply Voltage Min:
3V
Supply Voltage Max:
5.25V
IC Package Type:
DSBGA
No. of Pins:
15Pins
Operating Temperature Min:
-20°C
Operating Temperature Max:
70°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
Integrated AFE for Wearable DSBGA15 RS Components
AFE Medical 1ADC 22-Bit 1.8V/3.3V/5V 15-Pin DSBGA T/R Avnet America
AFE Medical 1ADC 22-Bit 1.8V/3.3V/5V 15-Pin DSBGA T/R Avnet Europe