Dual 14-Bit, 250 MSPS, Analog-to-Digital Converter - ADS42JB49

ADS42JB49 (ACTIVE)

Dual 14-Bit, 250 MSPS, Analog-to-Digital Converter

Description

The ADS42JB69 and ADS42JB49 are high-linearity, dual-channel, 16- and 14-bit, 250-MSPS, analog-to-digital converters (ADCs). These devices support the JESD204B serial interface with data rates up to 3.125 Gbps. The buffered analog input provides uniform input impedance across a wide frequency range while minimizing sample-and-hold glitch energy making it easy to drive analog inputs up to very high input frequencies. A sampling clock divider allows more flexibility for system clock architecture design. The devices employ internal dither algorithms to provide excellent spurious-free dynamic range (SFDR) over a large input frequency range.

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 QFN-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
      • SFDR: 89 dBc for HD2, HD3 and
        95 dBc for Non HD2, HD3

View more

Parametrics Compare all products in High Speed ADC (>10MSPS)

 
Resolution (Bits)
Sample Rate (max) (SPS)
# Input Channels
SNR (dB)
ENOB (Bits)
SFDR (dB)
SINAD (dB)
Power Consumption (Typ) (mW)
Analog Input BW (MHz)
Architecture
DNL (Max) (+/-LSB)
INL (Max) (+/-LSB)
Digital Supply (Min) (V)
Digital Supply (Max) (V)
Analog Voltage AV/DD (Min) (V)
Analog Voltage AV/DD (Max) (V)
Reference Mode
Input Range
Interface
Rating
Operating Temperature Range (C)
Approx. Price (US$)
ADS42JB49 ADS42JB46 ADS42JB69 ADS42LB49 ADS42LB69
14     14     16     14     16    
250MSPS     160MSPS     250MSPS     250MSPS     250MSPS    
2     2     2     2     2    
75     75.2     75.9     74.9     75.8    
12.1     12.2     12.3     12     12.2    
95     96     95     90     90    
74.8     75.1     75.7     74.1     75.1    
1700     1360     1700     1640     1640    
900     900     900     900     900    
Pipeline     Pipeline     Pipeline     Pipeline     Pipeline    
0.15     0.4     0.6     0.15     0.6    
0.75     0.75     3     0.75     3    
1.7     1.7     1.7     1.7     1.7    
1.9     1.9     1.9     1.9     1.9    
3.15     3.15     3.15     3.15     3.15    
3.45     3.45     3.45     3.45     3.45    
Int     Int     Int     Int     Int    
2.5V (p-p)     2.5V (p-p)     2.5V (p-p)     2.5V (p-p)     2.5V (p-p)    
JESD204B     JESD204B     JESD204B     Parallel LVDS     Parallel LVDS    
Catalog     Catalog     Catalog     Catalog     Catalog    
-40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85    
125.00 | 1ku     71.75 | 1ku     185.00 | 1ku     125.00 | 1ku     185.00 | 1ku    

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