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MAX105
Dual, 6-Bit, 800Msps ADC with On-Chip, Wideband Input Amplifier


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Data Sheet
FULL DATA SHEET (PDF, 680kB)
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Description
The MAX105 is a dual, 6-bit, analog-to-digital converter (ADC) designed to allow fast and precise digitizing of in-phase (I) and quadrature (Q) baseband signals. The MAX105 converts the analog signals of both I and Q components to digital outputs at 800Msps while achieving a signal-to-noise ratio (SNR) of typically 37dB with an input frequency of 200MHz, and an integral nonlinearity (INL) and differential nonlinearity (DNL) of ±0.25 LSB. The MAX105 analog input preamplifiers feature a 400MHz, -0.5dB, and a 1.5GHz, -3dB analog input bandwidth. Matching channel-to-channel performance is typically 0.04dB gain, 0.1LSB offset, and 0.2 degrees phase. Dynamic performance is 36.4dB signal-to-noise plus distortion (SINAD) with a 200MHz analog input signal and a sampling speed of 800MHz. A fully differential comparator design and encoding circuits reduce out-of-sequence errors, and ensure excellent metastable performance of only one error per 1016 clock cycles.

In addition, the MAX105 provides LVDS digital outputs with an internal 6:12 demultiplexer that reduces the output data rate to one-half the sample clock rate. Data is output in two's complement format. The MAX105 operates from a +5V analog supply and the LVDS output ports operate at +3.3V. The data converter's typical power dissipation is 2.6W. The device is packaged in an 80-pin, TQFP package with exposed paddle, and is specified for the extended (-40° C to +85°C) temperature range. For a lower-speed, 400Msps version of the MAX105, please refer to the MAX107 data sheet.

Key Features   Applications/Uses
  • Two Matched 6-Bit, 800Msps ADCs
  • Excellent Dynamic Performance
    • 36.4dB SINAD at fIN ≈ 200MHz and
    • fCLK ≈ 800MHz
  • Typical INL and DNL: ±0.25LSB
  • Channel-to-Channel Phase Matching: ±0.2°
  • Channel-to-Channel Gain Matching: ±0.04dB
  • 6:12 Demultiplexer reduces the Data Rates to 400MHz
  • Low Error Rate: 1016 Metastable States at 800Msps
  • LVDS Digital Outputs in Two's Complement Format

 
  • Communication Systems
  • Test Instrumentation
  • VSAT Receivers
  • Wireless Local Area Networks (WLANs)

    Key Specifications:   High-Speed ADCs (> 5Msps)
    Part Number Resolution (Bits) Sample Rate (max) (Msps) Sample Rate (max) (Msps) AC Specs @ fIN (MHz) SFDR (dBc) ENOB (bits) SINAD (dB) SNR (dB) THD (db) INL (±LSB) DNL (±LSB) Full-Power BW (MHz) Typ. Supply Current (mA) Data Bus Interface Ref. (V) Input Channels Input Range (V) Supply Voltage (V) EV-Kit RoHS Available Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX105  6 800 800 200 45 5.8 36.4 37 -44.5 0.2 0.25 400 650 µP/8
    Demuxed
    LVPECL
    Ext
    Int +2.5
    2 ±0.4 3.3
    5
    Yes Yes TQFP/80 196 -40 to +85 $35.95 @ 1k
    See All High-Speed ADCs (> 5Msps) (81)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Application Notes
  • Application Note 283: INL/DNL Measurements for High-Speed Analog-to-Digital Converters (ADCs) - MAX105
  • Application Note 642: ADC Captures 1Gsps - MAX105
  • Application Note 800: Design a Low-Jitter Clock for High-Speed Data Converters - MAX105
  • Application Note 810: Understanding Flash ADCs - MAX105

    Evaluation Kits
  • MAX105EVKIT

    Design Guides
  • HIGH-SPEED ADCs, DACs, & AFEs (PDF)

    Reliability Reports
  • Show FIT data for:
  • Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-4 of 4

    MAX105 Free
    Sample
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    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX105ECS-TD  



    -40°C to +85°C See data sheet
    MAX105ECS+  
    TQFP;80 pin;196 mm²
    Dwg: 21-0115B (PDF)
    Use pkgcode/variation: C80E+4*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX105ECS+T  
    TQFP;80 pin;196 mm²
    Dwg: 21-0115B (PDF)
    Use pkgcode/variation: C80E+4*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX105ECS-D  
    TQFP;80 pin;196 mm²
    Dwg: 21-0115B (PDF)
    Use pkgcode/variation: C80E-4*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    More Information
  • New Product Press Release 2001-05-29 

    Related Products
    MAX104 ±5V, 1Gsps, 8-Bit ADC with On-Chip 2.2GHz Track/Hold Amplifier
    MAX106 ±5V, 600Msps, 8-Bit ADC with On-Chip 2.2GHz Bandwidth Track/Hold Amplifier
    MAX108 ±5V, 1.5Gsps, 8-Bit, Ultra High-Speed, A to D Converter with On-Chip 2.2GHz Track/Hold Amplifier
    MAX107 Dual, 6-Bit, 400Msps ADC with On-Chip, Wideband Input Amplifier
    MAX1003 Low-Power, 90Msps, Dual 6-Bit ADC
    MAX1002 Low-Power, 60Msps, Dual, 6-Bit ADC

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    Document Ref.: 19-2006; Rev 0; 2001-05-30
    This page last modified: 2007-07-24




             


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