ADA4927-1_11 Datasheet, PDF (43/58 Pages) –

Amplifiers for Healthcare Applications (continued)
HV
AMP
HV MUX AND
T/R SWITCHES
T/R
SWITCHER
DAC
ISOLATION
ADI INTEGRATED SOLUTION
LNA-VGA-ADC ARRAY (UP TO 256 CHANNELS)
LNA
VGA
AAF
ADC
BEAMFORMER
CENTRAL CONTROL
PROCESSOR
DIGITAL Rx
BEAMFORMER
TRANSDUCER
ARRAY
I/Q
PROCESSING
AMP
AMP
ADC
ADC
CLOCKS
CW
DOPPLER
PROCESSING
IMAGE AND
MOTION
PROCESSING
(B MODE)
COLOR
DOPPLER
PROCESSING
(F MODE)
VIDEO
COMPRESSION
DVR
VIDEO DAC/
VIDEO ENCODER
AMP/
FILTER
AUDIO
DAC
AMP
Ultrasound functional diagram.
Application
Recommended Amplifiers
Ultrasound
Instrumentation/blood
analysis using flow
cytometry
HRM (heart rate
monitoring devices)/
blood pressure monitor
High speed: AD810, AD812, AD813, AD815, AD817, AD825, AD826, AD818, AD827,
AD828, AD829, AD847, AD4898-1, AD4898-2, OP467
High speed: ADA4841-1, ADA4898-1, ADA4899-1, AD8012, AD8021, AD8022, AD8099
Transimpedance amp
Precision: AD8603, AD8607, AD8609, AD8610, AD8620, AD8663,
AD8667, AD8669, AD8622, AD549 , ADA4051, ADA4627, ADA4610
DAC buffer
Precision: AD8605, AD8606, AD8608, AD8661, AD8662,
AD8664, ADA4075-2
Photodiode pre-amp
High speed: AD8033, AD8034, AD8065, AD8066, AD8067, AD8610,
AD8615, AD8618, AD8620, ADA4817-1, ADA4817-2
High speed: AD8022, AD8029, AD8041, AD812, AD818,
ADA4851-1, ADA4851-2
ADC driver
High speed: ADA4941-1, ADA4932-1, ADA4932-2, ADA4940-1,
ADA4940-2, ADA4950-1, ADA4950-2, AD8138, AD8137
Band-pass filter
Precision: AD8500, ADA4051-1, ADA4051-2, AD8603, AD8607,
AD8609, AD8508, AD8541, AD8538, AD8539, AD8642, ADA4505,
AD8655, AD8656, ADA4505-4
Audio amp
Precision: AD8691, AD8692, AD8694, AD8665, ADA4665-2,
AD8668, ADA4075-2
ADC driver
High speed: ADA4941, ADA4940
For more information in healthcare applications, visit healthcare.analog.com.
Key Amplifier Characteristics
Dual channel, low noise
High voltage, wide bandwidth
Low noise, high speed
Low input bias current
High bandwidth, high output drive
High speed, FET input
Wide bandwidth, low noise, rail-to-rail, low power
Low noise, low offset, high slew rate
Low noise, low power, wide bandwidth
Low noise, high output drive
Low noise, low offset, high slew rate
50 | Operational Amplifier Selection Guide