Analog to Digital Converters - ADC 20-Bit, 40 MSPS SAR ADC

Analog Devices Inc. AD4080 Differential SAR ADCs

Features:

• High performance
  
  • Throughput of 40MSPS, 46.25ns conversion latency
  • INL of ±4ppm (typical), ±8ppm (maximum)
  • SNR/THD
    
    • 93.6dB (typical)/-110dB (typical) at fIN = 1kHz
    • 93.5dB (typical)/-104dB (typical) at fIN = 1MHz
  • Noise spectral density at -167.6dBFS/Hz
  • 20-bit resolution, no missing codes
• Low power
  
  • 79.3mW typical at 40MSPS with -0.5dBFS sine-wave input
• Easy Drive, fully differential Input
  
  • 6Vp-p differential input range
  • Continuous signal acquisition
  • Linearized, 5μA/MSPS input current
• Integrated, low-drift reference buffer and decoupling
• Integrated VCM generation
• Digital features and data interface
  
  • Conversion result FIFO, 16K sample depth
  • Digital averaging filter with up to 210 decimation
• SPI configuration
• Configurable data interface
  
  • Single lane, DDR, serial LVDS, 800MBPS per lane
  • Dual lane, DDR, serial LVDS, 400MBPS per lane
  • Single/quad lane SPI data interface
• Package
  
  • 49-ball, 5mm x 5mm CSP_BGA, 0.65mm pitch
  • Integrated supply decoupling capacitors
• Operating temperature range of -40°C to +85°C

Applications:

• Digital imaging
• Cell analysis
• Spectroscopy
• Automated test equipment
• High speed data acquisition
• Digital control loops, hardware in the loop
• Power quality analysis
• Source measurement units
• Electron and x-ray microscopy
• Radar level measurement
• Nondestructive test
• Predictive maintenance and structural health