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SBAS737A – AUGUST 2015 – REVISED MAY 2016 AFE58JD16 16-Channel Ultrasound AFE with 90-mW/Channel Power,
1-nV/в€љHz Noise, 14-Bit, 65-MSPS or 12-Bit, 80-MSPS ADC and Passive CW Mixer
1 1 Features 16-Channel, AFE for Ultrasound Applications:
– Input Attenuator, LNA, LPF, ADC, and
CW Mixer
– Digital Time Gain Compensation (DTGC)
– Total Gain Range: 6 dB to 45 dB
– Linear Input Range: 1 VPP
Input Attenuator with DTGC:
– 8-dB to 0-dB Attenuation with 0.125-dB Step
– Supports Matched Impedance for:
– 50-Ω to 800-Ω Source Impedance
Low-Noise Amplifier (LNA) with DTGC:
– 14-dB to 45-dB Gain with 0.125-dB Step
– Low Input Current Noise: 1.2 pA/√Hz
3rd-Order, Linear-Phase, Low-Pass Filter (LPF):
– 10 MHz, 15 MHz, 20 MHz, and 25 MHz …