Video ADC - 12-bit Successive Approximation Register (SAR) ADC

Overview

The analog-to-digital converter is a differential high speed low power IP which uses Successive Approximation Register (SAR) architecture to achieve 12-bit resolution. The ADC includes a core internal SAR ADC which consists of sample/hold circuits, a capacitive DAC, a comparator and logic control circuits.

The ADC is designed with high dynamic performance for input signal frequencies up to Nyquist.

It is perfectly suitable for broadband communication applications.

Key Features

  • Silicon proven in 22, 28, 55nm from SMIC,Global Foundries and Samsung
  • Resolution: 10-bit/12-bit
  • Data Rate: 40Msps/64Msps
  • Differential-ended Mode
  • Analog Input Range
    •   10-bit:VREFH to VREFL
    •   12-bit:1.1Vpp
  • DNL: ±1.5 LSB, INL: ±3 LSB
  • Excellent Dynamic Parameters
    •   SFDR @ Fin=5MHz: 67dbc/10-bit;75dbc/12-bit;
    •   SNR:56dbc/10bit;60dbc/12bit
  • Low Power Consumption:
    •   1.2mA@40MSPS,10-bit
    •   1.5mA@64MSPS,12-bit

Block Diagram

Video ADC - 12-bit Successive Approximation Register (SAR) ADC Block Diagram

Technical Specifications

Foundry, Node
GLOBALFOUNDRIES 28nm SLP
Maturity
Available on request
GLOBALFOUNDRIES
Pre-Silicon: 28nm SLP
SMIC
Pre-Silicon: 55nm G , 65nm LL , 130nm G , 180nm G
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Semiconductor IP