AFE5818 Overview
Description
The AFE5818 is a highly-integrated, analog front-end (AFE) solution specifically designed for ultrasound systems where high performance and small si.
Key Features
- 16-Channel, Complete Analog Front-End: – LNA, VCAT, PGA, LPF, ADC, and CW Mixer
- 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
