MAX2079

PRODUCTION

Low-Power, High-Performance, Fully Integrated Octal Ultrasound Receiver (Octal LNA, VGA, AAF, ADC, and CWD Beamformer)

Breakthrough Levels of Performance for High-Channel-Count, Cart-Based and Portable Ultrasound Imaging Equipment

Data Sheet (Rev. 1) Product Selection Table
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Overview

  • Minimizes PCB Area and Design Cost
    • 8 Full Channels of LNA, VGA, AAF, 12-Bit ADC, Digital HPF and CWD Mixer Beamformer in a Small, 10mm × 10mm CTBGA Package
  • Improves System Sensitivity
    • Ultra-Low Full-Channel Noise Figure of 2.8dB at RS = RIN = 200Ω
  • Improves System Dynamic Range
    • 76dBFS Image Path SNR Over 2MHz Bandwidth at fRF = 5MHz
    • 137dBFS/Hz Image Path SNR at 1kHz Offset from fRF = 5MHz
  • Consumes Less Power
    • Ultra-Low Power of Only 120mW per Full Channel in Imaging Mode at 50Msps
  • Selectable Active Input Impedance Matching of 50Ω, 100Ω, 200Ω, and 1kΩ
  • Programmable VGA Output Clamp
  • Integrated Selectable 3-Pole 9MHz, 10MHz, 15MHz, and 18MHz Butterworth Anti-Alias Filter
  • Programmable, Digital Highpass, 2-Pole Filter
  • Serial LVDS Digital Outputs
  • Fast Recovery Low-Power Modes (< 2µs)
  • Separate Channel I/Q CWD Mixers for Improved Dynamic Range and Sensitivity

The MAX2079 fully integrated octal ultrasound receiver is optimized for high channel count, high-performance portable and cart-based ultrasound systems. The easy-to-use integrated receiver allows the user to achieve high-end 2D and Doppler imaging capability using substantially less space and power. The highly compact low-noise amplifier (LNA), variable-gain amplifier (VGA), anti-alias filter (AAF), analog-to-digital converter (ADC), and digital highpass filter (HPF) achieve an ultra-low 2.8dB noise figure at RS = RIN = 200Ω with a very low 120mW per channel power dissipation at 50Msps. The full receive channel has been optimized for second-harmonic imaging with an exceptional 76dBFS SNR over a 2MHz bandwidth, and -70dBc second-harmonic distortion at fRF = 5MHz over the full receiver gain range. Near-carrier dynamic range has also been optimized for exceptional pulsed and color-flow Doppler performance under high-clutter conditions. The bipolar front-end and CMOS ADC achieve an exceptional near-carrier SNR of 137dBFS/Hz at 1kHz from a 5MHz tone for excellent low-velocity Doppler sensitivity.

The device also includes an octal CWD beamformer for a full Doppler solution. Separate mixers for each channel are available for optimal CWD sensitivity.

The MAX2079 octal ultrasound front-end is available in a small, 10mm × 10mm, CTBGA package and is specified over the 0°C to +70°C temperature range.

Applications

  • Medical Ultrasound Imaging
  • Sonar
MAX2079
Low-Power, High-Performance, Fully Integrated Octal Ultrasound Receiver (Octal LNA, VGA, AAF, ADC, and CWD Beamformer)
MAX2079: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 3

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Amplifier-Based Front Ends 2
MAX2077
NOT RECOMMENDED FOR NEW DESIGNS Octal-Channel Ultrasound Front-End
MAX2078
NOT RECOMMENDED FOR NEW DESIGNS Octal-Channel Ultrasound Front-End with CW Doppler Mixers
Analog to Digital Converters (ADCs) 15
MAX1192
PRODUCTION Ultra-Low-Power, 22Msps, Dual 8-Bit ADC
MAX1193
PRODUCTION Ultra-Low-Power, 45Msps, Dual 8-Bit ADC
MAX1444
LAST TIME BUY 10-Bit, 40Msps, 3.0V, Low-Power ADC with Internal Reference
MAX1446
LAST TIME BUY 10-Bit, 60Msps, 3.0V, Low-Power ADC with Internal Reference
MAX1186
PRODUCTION Dual 10-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
MAX1183
PRODUCTION Dual 10-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs
MAX1182
PRODUCTION Dual 10-Bit, 65Msps, +3V, Low-Power ADC with Internal Reference and Parallel Outputs
MAX1181
PRODUCTION Dual 10-Bit, 80Msps, 3V, Low-Power ADC with Internal Reference and Parallel Outputs
MAX1127
PRODUCTION Quad, 12-Bit, 65Msps, 1.8V ADC with Serial LVDS Outputs
MAX1126
PRODUCTION Quad, 12-Bit, 40Msps, 1.8V ADC with Serial LVDS Outputs
MAX1438
PRODUCTION Octal, 12-Bit, 65Msps, 1.8V ADC with Serial LVDS Outputs
MAX1437
Obsolete Octal, 12-Bit, 50Msps, 1.8V ADC with Serial LVDS Outputs
MAX1436
Octal, 12-Bit, 40Msps, 1.8V ADC with Serial LVDS Outputs
MAX1434
PRODUCTION Octal, 10-Bit, 50Msps, 1.8V ADC with Serial LVDS Outputs
MAX19527
Ultra-Low-Power, Octal, 12-Bit, 50Msps, 1.8V ADC with Serial LVDS Outputs
Beamformers & Vector Modulators 2
MAX2038
Ultrasound VGA Integrated with CW Octal Mixer
MAX2036
Ultrasound VGA Integrated with CW Octal Mixer
Low-Noise Amplifiers (LNAs) & Power Amplifiers 1
MAX2034
Quad-Channel, Ultra-Low-Noise Amplifier with Digitally Programmable Input Impedance
Variable Gain Amplifiers (VGA) 2
MAX2035
Ultrasound Variable-Gain Amplifier
MAX2037
Ultrasound Variable-Gain Amplifier
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