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
MicroConverter®
R
ADC
DRIVER
V
REF
FINGER/
EARLOBE/
TOE
BAND-PASS
FILTER
AMP
ADC
RF
LEDs
TRANSCEIVER
TRANS-
IMPEDANCE
AMP
PROCESSOR
AMP
NO
PHOTODIODE
CONNECTION
FAULT
AMP
AUDIO
ALARM
AMP
DAC
POWER MANAGEMENT
PROGRAMMABLE
CURRENT SINK
USER
INTERFACE
LCD
DISPLAY
LOW I LDO
1.8V
3.0V
Q
BATTERY
DC-TO-DC
BACKLIGHT
CONTROLLER
Pulse oximetry functional diagram.
Application
Recommended Amplifiers
Key Amplifier Characteristics
Precision: AD8603, AD8607, AD8609, AD8663, AD8667,
AD8669, AD8622, AD549
Transimpedance amp
Low input bias current
Precision: AD8605, AD8606, AD8608, AD8603, AD8607,
AD8609, AD8597, AD8599, AD8641, AD8642, AD8643
Band-pass filter
Low noise, wide bandwidth
Low noise, low offset, high slew rate
High speed differential drivers
Precision: AD8605, AD8606, AD8608, AD8661, AD8662,
AD8664, AD8597, AD8599, AD820, AD822, AD824,
ADA4505-2, ADA4505-4
ADC driver
High speed: AD8132, ADA4841-1, ADA4932-1,
ADA4941-1
Pulse oximetry
Precision: AD8661, AD8662, AD8664, ADA4075-2
Precision: AD8663, AD8605, AD8603, AD8613,
ADA4004-1, ADA4004-2
Wide bandwidth, high output drive,
unity-gain stable
Programmable current sink/DAC buffer
No connection fault amplifiers
High speed: AD8017, AD8022, AD817
High speed: AD8065, AD8066, ADA4817-1,
ADA4817-2, AD843
Wide bandwidth, FET input, rail-to-rail output
Low power
Precision: AD8605, AD8601, AD8541, AD8505
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