MAX2082CXD+

MAX2082CXD+ is world’s first fully-integrated octal ultrasound transceiver. This device is optimized for high channel-count, high-performance portable and cart-based ultrasound systems. The easy-to-use transceiver allows the user to achieve high-end 2D and Doppler imaging capability using substantially less space and power. The transceiver transmitters are high-performance, 3-level 2A pulsers capable of generating high-voltage pulses up to ±105V. The highly compact receiver with T/R switch, LNA, input coupling and feedback capacitors, variable gain amplifier (VGA), anti-aliasing filter (AAF), analogue-to-digital converter (ADC), and digital high pass filter (HPF) achieves an ultra-low noise figure with RS = RIN = 200 ohm at a very low 131mW per-channel power dissipation at 50Msps. The receive channel has been optimized for second harmonic imaging with -66dBFS second harmonic distortion performance at fRF = 5MHz over the full gain range. It is used in ultrasound imaging applications.

• Minimizes PCB area and design cost
• Integrated HV pulser for simpler system design
• Integrated high-performance receiver improves system sensitivity
• Logic supply voltage is 3V typical at (VREF = 2.5V, VCC3 = 3.13V to 3.47V)
• External floating power-supply current from TVGN is 14mA typical at (TA = +25°C)
• Logic-input capacitance is 5pF typical at (VREF = 2.5V, VCC3 = 3.13V to 3.47V)
• Noise figure is 4.4dB typical at (VREF = 2.5V, VCC3 = 3.13V to 3.47V)
• VGA gain response time is 0.8µs typical at (VREF = 2.5V, VCC3 = 3.13V to 3.47V)
• Second harmonic (HD2) is -67dBc typical at (VIN = 50mVP-P, fRF = 2MHz, ADC out = -3dBFS)
• Operating temperature range from 0°C to +70°C, 336-pin CSBGA package

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