Product details

Sample rate (max) (Msps) 40 Resolution (Bits) 14 Number of input channels 1 Interface type Parallel LVDS Analog input BW (MHz) 300 Features High Performance Rating Catalog Peak-to-peak input voltage range (V) 2, 4 Power consumption (typ) (mW) 900 Architecture Pipeline SNR (dB) 76 ENOB (Bits) 12.1 SFDR (dB) 83 Operating temperature range (°C) -40 to 85 Input buffer No
Sample rate (max) (Msps) 40 Resolution (Bits) 14 Number of input channels 1 Interface type Parallel LVDS Analog input BW (MHz) 300 Features High Performance Rating Catalog Peak-to-peak input voltage range (V) 2, 4 Power consumption (typ) (mW) 900 Architecture Pipeline SNR (dB) 76 ENOB (Bits) 12.1 SFDR (dB) 83 Operating temperature range (°C) -40 to 85 Input buffer No
LQFP (PM) 64 144 mm² 12 x 12
  • HIGH DYNAMIC RANGE:
       High SFDR: 83dB at 10MHz fIN
       High SNR: 75dB at 10MHz fIN
  • ON-BOARD TRACK-AND-HOLD:
       Differential Inputs
       Selectable Full-Scale Input Range
  • LOW POWER: 850mW
  • FLEXIBLE CLOCKING:
       Differential or Single-Ended
       Accepts Sine or Square Wave Clocking Down to 0.5VPP
       Variable Threshold Level
  • APPLICATIONS
    • COMMUNICATIONS RECEIVERS
    • TEST INSTRUMENTATION
    • PROFESSIONAL CCD IMAGING

All trademarks are the property of their respective owners.

  • HIGH DYNAMIC RANGE:
       High SFDR: 83dB at 10MHz fIN
       High SNR: 75dB at 10MHz fIN
  • ON-BOARD TRACK-AND-HOLD:
       Differential Inputs
       Selectable Full-Scale Input Range
  • LOW POWER: 850mW
  • FLEXIBLE CLOCKING:
       Differential or Single-Ended
       Accepts Sine or Square Wave Clocking Down to 0.5VPP
       Variable Threshold Level
  • APPLICATIONS
    • COMMUNICATIONS RECEIVERS
    • TEST INSTRUMENTATION
    • PROFESSIONAL CCD IMAGING

All trademarks are the property of their respective owners.

The ADS5421 is a high-dynamic range 14-bit, 40MHz, pipelined Analog-to-Digital Converter (ADC). It includes a high-bandwidth linear track-and-hold amplifier that gives excellent spurious performance up to and beyond the Nyquist rate. The clock input can accept a low-level differential sine wave or square wave signal down to 0.5VPP, further improving the Signal-to-Noise Ratio (SNR) performance.

The ADS5421 has a 4VPP differential input range (2VPP • 2 inputs) for optimum Spurious-Free Dynamic Range (SFDR). The differential operation gives the lowest even-order harmonic components. A lower input voltage can also be selected using the internal references, further optimizing SFDR.

The ADS5421 is available in a small LQFP-64 package.

The ADS5421 is a high-dynamic range 14-bit, 40MHz, pipelined Analog-to-Digital Converter (ADC). It includes a high-bandwidth linear track-and-hold amplifier that gives excellent spurious performance up to and beyond the Nyquist rate. The clock input can accept a low-level differential sine wave or square wave signal down to 0.5VPP, further improving the Signal-to-Noise Ratio (SNR) performance.

The ADS5421 has a 4VPP differential input range (2VPP • 2 inputs) for optimum Spurious-Free Dynamic Range (SFDR). The differential operation gives the lowest even-order harmonic components. A lower input voltage can also be selected using the internal references, further optimizing SFDR.

The ADS5421 is available in a small LQFP-64 package.

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* Data sheet 14-Bit, 40MHz Sampling Analog-to-Digital Converter datasheet (Rev. E) 22 Jun 2005
Application note Design Considerations for Avoiding Timing Errors during High-Speed ADC, LVDS Dat (Rev. A) 22 May 2015
Application note Why Use Oversampling when Undersampling Can Do the Job? (Rev. A) 19 Jul 2013
Application note High-Speed, Analog-to-Digital Converter Basics 11 Jan 2012
Application note Driving High-Speed ADCs: Circuit Topologies and System-Level Parameters (Rev. A) 10 Sep 2010
Application note Smart Selection of ADC/DAC Enables Better Design of Software-Defined Radio 28 Apr 2009
Application note CDCE72010 as a Clocking Solution for High-Speed Analog-to-Digital Converters 08 Jun 2008
Application note Phase Noise Performance and Jitter Cleaning Ability of CDCE72010 02 Jun 2008

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Calculation tool

ADC-HARMONIC-CALC ADC Frequency Calculator Download

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JITTER-SNR-CALC Jitter and SNR calculator

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Design tool

SBAC119 TIGAR (Texas Instruments Graphical Evaluation of ADC Response Tool)

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Simulation tool

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LQFP (PM) 64 Ultra Librarian

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