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AFE4400 Datasheet PDF

Part Series:AFE4400 Series
Description:AFE Medical 1ADC 22Bit 2.5V/3V/3.3V/5V 40Pin VQFN T/R
Document:AFE4400RHAR Datasheet PDF (88 Pages)

AFE4400RHAR - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
40 Pin
Case/Package
VQFN-40
Power Rating
2.84 mW
Number of Channels
1 Channel
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AFE4400RHAR - TI Function Overview

The AFE4400 is a fully-integrated analog front-end (AFE) ideally suited for pulse oximeter applications. The device consists of a low-noise receiver channel with an integrated 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 AFE4400, 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 0°C to 70°C.
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