AD8591SD View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD8591SD

Operational Amplifiers Selection Guide

Analog Devices 

Amplifiers for Healthcare Applications

ADI’s portfolio of high performance op amps and signal processing expertise enable innovative solutions to healthcare designs—helping shape the future

of diagnostics and monitoring equipment, as well as health and wellness devices.

SWITCH

LEDs

FINGER/

EARLOBE/

TOE

R

AMP

TRANS-

IMPEDANCE

AMP

PHOTODIODE

ADC

DRIVER

BAND-PASS

FILTER

AMP

NO

CONNECTION

FAULT

AMP

DAC

MicroConverter ®

VREF

ADC

PROCESSOR

RF

TRANSCEIVER

AMP

AUDIO

ALARM

PROGRAMMABLE

CURRENT SINK

POWER MANAGEMENT

LOW IQ LDO

1.8V

BATTERY

DC-TO-DC

3.0V

LCD

DISPLAY

USER

INTERFACE

BACKLIGHT

CONTROLLER

Pulse oximetry functional diagram.

Application

Pulse oximetry

Recommended Amplifiers

Transimpedance amp

Precision: AD8603, AD8607, AD8609, AD8663, AD8667,

AD8669, AD8622, AD549

Band-pass filter

Precision: AD8605, AD8606, AD8608, AD8603, AD8607,

AD8609, AD8597, AD8599, AD8641, AD8642, AD8643

ADC driver

Precision: AD8605, AD8606, AD8608, AD8661, AD8662,

AD8664, AD8597, AD8599, AD820, AD822, AD824,

ADA4505-2, ADA4505-4

High speed: AD8132, ADA4841-1, ADA4932-1,

ADA4941-1

Programmable current sink/DAC buffer

Precision: AD8661, AD8662, AD8664, ADA4075-2

Precision: AD8663, AD8605, AD8603, AD8613,

ADA4004-1, ADA4004-2

High speed: AD8017, AD8022, AD817

High speed: AD8065, AD8066, ADA4817-1,

ADA4817-2, AD843

No connection fault amplifiers

Precision: AD8605, AD8601, AD8541, AD8505

Key Amplifier Characteristics

Low input bias current

Low noise, wide bandwidth

Low noise, low offset, high slew rate

High speed differential drivers

Wide bandwidth, high output drive,

unity-gain stable

Wide bandwidth, FET input, rail-to-rail output

Low power

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