AFE58JD18

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community AFE58JD18 SBAS735A – AUGUST 2015 – REVISED MAY 2016 AFE58JD18 16-Channel, Ultrasound AFE with 14-Bit, 65-MSPS or 12-Bit, 80-MSPS ADC, Passive CW Mixer, I/Q Demodulator, and LVDS, JESD204B Outputs 1 Features 16-Channel, Complete Analog Front-End (AFE): – LNA, VCAT, PGA, LPF, ADC, and CW Mixer LNA with Programmable Gain: – Gain: 24 dB, 18 dB, and 12 dB – Linear Input Range: 0.25 VPP, 0.5 VPP, and 1 VPP – Input-Referred Noise: 0.63 nV/√Hz, 0.7 nV/√Hz, and 0.9 nV/√Hz – Programmable Active Termination Voltage-Controlled Attenuator (VCAT): 40 dB Programmable Gain Amplifier (PGA): 24 dB and 30 dB Total Signal Chain Gain: 54 dB (max) 3rd-Order, Linear-Phase LPF: – 10 MHz, 15 MHz, 20 MHz, 30 MHz, 35 MHz, and 50 MHz Analog-to-Digital Converter (ADC): – 14-Bit ADC: 75-dBFS SNR at 65 MSPS – 12-Bit ADC: 72-dBFS SNR at 80 MSPS LVDS Interface Maximum Speed of 1 Gbps Noise and Power Optimizations (Full-Channel): – 140 mW/Ch at 0.75 nV/√Hz, 65 MSPS – 91.5 mW/Ch at 1.1 nV/√Hz, 40 MSPS – 80 mW/Ch at CW Mode Excellent Device-to-Device Gain Matching: – ±0.5 dB (typical) and ±1.1 dB (max) Low Harmonic Distortion Fast and Consistent Overload Recovery Passive Mixer for CWD: – Low Close-In Phase Noise: –156 dBc/Hz at 1 kHz Off 2.5-MHz Carrier – Phase Resolution: λ / 16 1 – Supports 16X, 8X, 4X, and 1X CW Clocks – CWD High-Pass Filter Rejects Undesired Low- Frequency Signals < 1 kHz ...