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High-speed dual-channel ADC with 14-bit precision

ADS42JB49IRGCR General Description

The ADS42JB49IRGCR is a cutting-edge analog-to-digital converter that boasts high-linearity performance, making it ideal for a variety of applications that require precise signal conversion. With dual-channel functionality and impressive resolution capabilities of up to 16 bits at a rapid sampling rate of 250 MSPS, this ADC delivers superior performance that can meet the demands of even the most complex systems

Key Features

  • Dual-Channel ADCs
  • 14- and 16-Bit Resolution
  • Maximum Clock Rate: 250 MSPS
  • JESD204B Serial Interface
    • Subclass 0, 1, 2 Compliant
    • Up to 3.125 Gbps
    • Two and Four Lanes Support
  • Analog Input Buffer with High-Impedance Input
  • Flexible Input Clock Buffer:
    Divide-by-1, -2, and -4
  • Differential Full-Scale Input: 2 VPP and 2.5 VPP
    (Register Programmable)
  • Package: 9-mm × 9-mm VQFN-64
  • Power Dissipation: 850 mW/Ch
  • Aperture Jitter: 85 fS rms
  • Internal Dither
  • Channel Isolation: 100 dB
  • Performance:
    • fIN = 170 MHz at 2 VPP, –1 dBFS
      • SNR: 73.3 dBFS
      • SFDR: 93 dBc for HD2, HD3
      • SFDR: 100 dBc for Non HD2, HD3
    • fIN = 170 MHz at 2.5 VPP, –1 dBFS
      • SNR: 74.7 dBFS
      • SFDR: 89 dBc for HD2, HD3 and
        95 dBc for Non HD2, HD3


Sample rate (max) (Msps) 250 Resolution (Bits) 14
Number of input channels 2 Interface type JESD204B
Analog input BW (MHz) 900 Features High Performance
Rating Catalog Peak-to-peak input voltage range (V) 2.5
Power consumption (typ) (mW) 1700 Architecture Pipeline
SNR (dB) 75 ENOB (Bps) 12
SFDR (dB) 95 Operating temperature range (°C) -40 to 85
Input buffer Yes

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