AFE4490RHAT

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Details for Texas Instruments

AFE4490RHAT

Integrated Analog Front End (AFE) for Pulse Oximeters
Buy Directly from Texas Instruments (2500 in Stock)
$9.1400 per unit
Series Information for AFE4490RHAT - Texas Instruments

Description

ANALOGUE FRONT END PULSE OXIMETER VQFN
The AFE4490 is a fully-integrated analog front-end (AFE) that is ideally suited for pulse-oximeter applications. The device consists of a low-noise receiver channel with a 22-bit analog-to-digital converter (ADC), an LED transmit section, and diagnostics for sensor and LED fault detection. The device is a very configurable timing controller. This flexibility enables the user to have complete control of the device timing characteristics. To ease clocking requirements and provide a low-jitter clock to the device, an oscillator is also integrated that functions from an external crystal. The device communicates to an external microcontroller or host processor using an SPI™ interface. The device is a complete AFE solution packaged in a single, compact VQFN-40 package (6 mm × 6 mm) and is specified over the operating temperature range of –40°C to 85°C.

Specifications

IC Function:
Analogue Front End Device
Supply Voltage Min:
3V
Supply Voltage Max:
5.25V
IC Package Type:
VQFN
No. of Pins:
40Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

AFE Medical 1ADC 22-Bit 3.3V/5V 40-Pin VQFN EP T/R

Avnet America product

Avnet Europe

AFE Medical 1ADC 22-Bit 3.3V/5V 40-Pin VQFN EP T/R

Avnet Europe product

Texas Instruments

Integrated Analog Front End (AFE) for Pulse Oximeters

Texas Instruments product