Picture-perfect ultrasound TI’s analog front end solutions for used in ultrasound applications

Ultrasound Benefits:  Higher resolution  Portable  Affordable  Faster scans, faster boot-time  Less invasive  Instant diagnostics TI Technology:  High-performance analog  High-speed data converters and amplifiers  Power management  Clocks  Interface devices  DSPs  High-performance DSPs  DaVinci TM embedded media processors  OMAP TM applications processors

AFE5805 LNAVCA ADC Low Pass Filter PGA Audio Output Tx Buffer Amp DAC Passive LPF Beamformer Rx Central Control Unit Beamformer Beamformer (FPGA) Tx Display Amp Audio Ultrasound block diagram with Integrated Analog Front End - AFE5805 CW Analog Beam Former Power Management FET Driver ADC Color Doppler (PW) Processing (F-Mode) Data Transmission Temp Sensor Clock Source Image & Motion Processing (B-Mode) Spectral Doppler Processing (D-Mode) Processor Interface Amplifier Power ADC/DAC Other Legend Transducer HV MUX/ DEMUX T/R Switches

New AFE58xx family System Channels Mid-Range Time Low-End/Portable Premium & High-End Mid Range Portable High End AFE58xx Next- generation Portable AFE5805 AFE58xx Next-generation high end Sampling FutureDevelopment

Ultrasound Analog Front-End – AFE5805 Integrated Rx-Part: 8 Channel LNA+VCA+ADC First of a family of parts with same pin-out addressing multiple segments with similar software/logic and support circuitry

AFE5805 Highlight Performance for Ultrasound Low Noise: 0.85nV/rt(Hz) Low Power: 122mW/ch at 40 MSPS Integrated 12-Bit, 50 MSPS ADC Wide Gain Control Range of 46 dB Good Matching Among 8-channels Excellent Overload Recovery Good IMD3 Performance Low Offset Drift over Temperature 135-pin, 15 x 9 mm, BGA package

AFE5805: 8-channel analog front end Higher integration, 50% smaller size  Integrated LNA, VCA, PGA, LPF, 12-bit 50 MSPS ADC  Package: 135-pin 15x9 mm BGA  Enables portability with 50% smaller size 15mm 9mm

AFE5805: Best in class noise & power performance  20% lower power (122 mW per channel at 40MSPS) enables portability  40% lower noise (0.85nV/rtHz at 2 MHz) achieves superior image quality

AFE5805 performance: Higher gain, wider gain control range for greater image sensitivity 46dB 50dB

AFE5805 availability & pricing AFE5805 EVM: 3.5х4 inch (9*10cm) Samples: Available now EVM: Available now Production: Summer ‘08 Price: $75 per 100 units

 Enables portability with 50% smaller size AFE5805: summary Ultrasound Applications  Complete Analog Front End reduces component count for more affordable ultrasound  Best in class noise & power performance for sharper and more sensitive picture quality First device in AFE58xx family of pin-to-pin compatible Analog Front Ends targeting all segments of the Ultrasound market from low-end to high-end  20% lower power  40% less noise  Improved dynamic range

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