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ADC083000 8-Bit, 3 GSPS, High Performance, Low Power A/D Converter from the PowerWise® Family


source: | post time:2010-05-08

Part Number(s)
(NSID)
Top View Type Pins MSL Rating Peak Reflow RoHS
Status
CAD Symbols Models Package
Marking
Format
ADC083000CIYB/NOPB
ADC083000CIYB
LQFP EXP PAD 128 3
3
260
260
Detail Download
adc083000.ibs
NSUZXYYTTE#
ADC083000CIYB

PDFClick link to Download

Description

The ADC083000 is a single, low power, high performance CMOS analog-to-digital converter that digitizes signals to 8 bits resolution at sampling rates up to 3.4 GSPS. Consuming a typical 1.9 Watts at 3 GSPS from a single 1.9 Volt supply, this device is guaranteed to have no missing codes over the full operating temperature range. The unique folding and interpolating architecture, the fully differential comparator design, the innovative design of the internal sample-and-hold amplifier and the self-calibration scheme enable an excellent response of all dynamic parameters up to Nyquist, producing a high 7.0 Effective Number Of Bits, (ENOB) with a 748 MHz input signal and a 3 GHz sample rate while providing a 10 -18 Word Error Rate. The ADC083000 achieves a 3 GSPS sampling rate by utilizing both the rising and falling edge of a 1.5 GHz input clock. Output formatting is offset binary and the LVDS digital outputs are compatible with IEEE 1596.3-1996, with the exception of an adjustable common mode voltage between 0.8V and 1.15V.

The ADC has a 1:4 demultiplexer that feeds four LVDS buses and reduces the output data rate on each bus to a quarter of the sampling rate.

The converter typically consumes less than 25 mW in the Power Down Mode and is available in a 128-lead, thermally enhanced exposed pad LQFP and operates over the Industrial (-40°C TA +85°C) temperature range.

Key Specification

Resolution

8 Bits

Max Conversion Rate

3 GSPS (min)

Error Rate

10 -18 (typ)

ENOB @ 748 MHz Input

7.0 Bits (typ)

SNR @ 748 MHz

44.5 dB (typ)

Full Power Bandwidth

3 GHz (typ)

 

  • Power Consumption

    Operating

    1.9 W (typ)

    Power Down Mode

    25 mW (typ)

    Applications

    Direct RF Down Conversion
    Digital Oscilloscopes
    Satellite Set-top boxes
    Communications Systems
    Test Instrumentation

  • Features
    Single +1.9V ±0.1V Operation
    Choice of SDR or DDR output clocking
    Serial Interface for Extended Control
    Adjustment of Input Full-Scale Range and Offset
    Duty Cycle Corrected Sample Clock
    Test pattern

    Diagrams

    Typical Application
    *click for larger image

    DC Coupled Analog Input

     

     

     

    Block Diagram
    *click for larger image

    Block Diagram

     


    Typical Performance
    *click for larger image

    ENOB vs Input Frequency

     


    Prev:ADC081500 High Performance, Low Power, 8-Bit, 1.5 GSPS A/D Converter from the PowerWise® Family
    Next:ADC08500 High Performance, Low Power 8-Bit, 500 MSPS A/D Converter from the PowerWise® Family


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