ADI可穿戴设备及医疗影像应用中的解决方案

“Industry
SNR
First”
Lowest Noise
2003
2005
2006
2007
2008
2009
2010
Fra Baidu bibliotek
2012
AD967x Time Gain Control (TGC) Signal Path
~ 0.75nV/vHz
LNA
15. 6 dB, 18. 1 dB, 21. 6 dB
~ 2.5nV/vHz
System Solutions for Ultrasound
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AD9106
AMP
DAC
Beam former Central Control Processor
AD951X/2X
Clock Generation
AD9276/7/8/9/AD9670/1/4/5
Integrator Collimator Scintillator PDA
ADC
Digital
Data
Processing Aggregator
ADAS1128
Data Extraction
ADAS1128 128ch CT Front End ASSP
128 10mm
Channels
Winner of EDN Innovation Award 2009
Already used in hospitals by major CT OEMs Most integrated AFE available in open market since 2009
S/H
Configuration
+ -
ADCL
S/H
Data Processing
LVDS/CMOS Interface
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T/R Switches
Released Products In Development
LNA
VGA
AAF
ADC
Digital Rx
Beam former
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Performance
256 channels integrated in single die Tested and delivered on Flex True 16-bit resolution Up to 45.45ksps (22us line time)
Ultra low noise
Radiography Fluoroscopy Fluoroscopy at 1.42mW/ch Radiography at 1.02mW/ch
8
DR探测器
This configuration allow very thin panel design
PCB will contain thermal copper area with multiple vias
9
ADAS1256 – Functional Block Diagram
IN0
IN127 IN128
CW-Doppler
Demod & Phase Shifter
Amp
ADC
ADA4897 AD7982
Amp
ADC
CW Doppler Processing
Image and Motion Processing (B Mode)
Video Driver/ Converter
ADV712x ADV739x
Dynamic and static Pipeline mode
Binning Innovative programmable Timing …..others
CT
Channel counts dramatically increasing:16K -> 64K -> 320K ch’s/system System size & cost cannot commensurately increase. IC power, footprint & cost need to be reduced. IC functionality needs to be dramatically increased.
Amp/ Filter
ADA4420-3 ADA4417-3
Amp
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SSM2356
1616
Ultrasound AFEs, 5 Generations Proven Technology, Industry Leadership
9 power modes
Normal mode: mW/ch Low Power 2 mode: Functional sleep mode: mW/ch Sleep mode: mW/ch Power down: 0.005mW/ch
11
Some Features
Electron and hole mode RefTFT from 1V to 4V
The World Leader in High Performance Signal Processing Solutions
ADI关于生命体征信号监测 及医疗影像的解决方案
医疗影像
Digital X-Ray CT Ultrasound MRI PET
2
The World Leader in High Performance Signal Processing Solutions
“Octal ADC”
“Gold Standard”
AD8332/34
AD9222
“Industry
“Industry First 14bit”
“Industry First” Digital
AD9271
“Industry First” AFE w/ADC
First” w/ CW-D
AD9277
AD9276
CT– Market and ADI values
Market trend and challenges => ADI’s values:
High slice count => high integration and Low power Low x-ray dose => low noise and high performance(Low cap, low leakage, low crosstalk) Shorten the TTM => dedicated expertise provides system level supports and reference design Lower system cost => completive cost and consistent roadmap
Demod/Decimator
AD9670/71 AD9674/75 AD9278/79
AD8333/39
“Industry
AD9272/73
“Industry First” Smallest Size & Highest
“Industry First” JESD204B Interface
First” CW-D
5
Industrial
ADI has leading ADC for Digital X-ray
Digital X-Ray
Integrator
ADC
Digital
Data
Processing Aggregator
Scintillator TFT Panel
Fine-pitch interconnect geometry (50µm mammography) Constrained panel thickness (14mm cassette film) Goal of integrating as much as possible: improve size, cost Leverage existing technology: Incorporate die-on-flex packaging
Attenuator -45dB to 0dB
Gain Interpolator
Post Amp
Filter
Pipeline ADC
21dB, 24dB, 27dB, 30 dB
2nd Order Lowpass Cutoff = 8 to 30MHz 1st order Highpass
14 bits 20 - 125 Msps SNR = 75 dBFS
Data per ADC: 40Msps * 14 = 560Msps
19
Receive: Analog Front-End (AFE): AD9671
Receive: Analog Front-End (AFE): AD9675
21
JESD204B in Ultrasound - Example
High-end Ultrasound System
ADC Fs = 40Msps Data resolution = 14bits
S/H
+-ADCH
Temp
S/H
FPGA VIO
14
ADI CT Scanner DAS Reference Design
ADAS 1128
ADAS 1128
LVDS
Low noise Power
Single 4V
ADAS 1128
ADAS 1128
FPGA
DSP-USB
`R` ef
Temp Sensor
Built-in test for flex/bump/die integrity Design for thermal management to system level
7
ADAS1256
256通道模拟前端COF模块
X-Ray Detector Panel
ADAS1256 (Chip-On-Flex)
Digital X-ray
Xray Applications
Each application has different requirements Portable DXR
Radioscopy
4
Xray Applications
Mammography
Intraoral Dental
Animal
NDT
Accelerometer
LVDS
…
32mm
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160mm
PhotoDiode Connector
Front
Back
ADAS1128
Benefits
Complete CT DAS AFE Proven supported design 512 pixel on 32mm Scalable to 256ch on 16mm or other format Format, connector and Channel count can be changed
To next SDI
To all ADCs
SDO
SCK CS RESET
DOUT CLK SYNC IOVDD IOGND
SDI
VIO FPGA
VIO
From previous
SDO From DOUT of
other ADCs
ADAS1256 – Extreme Performance Module
GAINGAIN+
+/-1.6V
Areas in red are updates from past 4 generation AFEs
Single Channel of Post-ADC Digital
Offset correction, high-pass filter, RF decimator, demodulator and baseband decimator can be individually bypassed
Audio DAC
ADAU1361/1761/ SSM2604
Color Processing F-Mode
DVR
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Video Compression
ADV202/12/16
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IN255 VCM
High density Custom Flex Interface
Flex Interface
VDD
CDS CDS CDS CDS
+-ADCL
Configuration
SDI
Data Processing
LVDS/CMOS Interface
+-ADCL
VCM
REF 2.048V