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MAX1205
+5V Single-Supply, 1Msps, 14-Bit Self-Calibrating ADC

Low-Noise and Distortion (80dB SNR @ 500ksps) 14-Bit 1Msps ADC


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 136kB)
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Description
The MAX1205 is a 14-bit, monolithic, analog-to-digital converter (ADC) capable of conversion rates up to 1Msps. This integrated circuit, built on a CMOS process, uses a fully differential, pipelined architecture with digital error correction and a short self-calibration procedure that corrects for capacitor and gain mismatches and ensures 14-bit linearity at full sample rates. An on-chip track/hold (T/H) maintains superb dynamic performance up to the Nyquist frequency. The MAX1205 operates from a single +5V supply.

The fully differential inputs allow an input swing of ±VREF. The reference is also differential, with the positive reference (RFPF) typically connected to +4.096V and the negative reference (RFNF) connected to analog ground. Additional sensing pins (RFPS, RFNS) are provided to compensate for any resistive-divider action that may occur due to finite internal and external resistances in the reference traces and the on-chip resistance of the reference pins. A single-ended input is also possible using two operational amplifiers.

The power dissipation is typically 257mW at +5V, at a sampling rate of 1Msps. The device employs a CMOS-compatible, 14-bit parallel, two's complement output data format. For higher sampling rates, the MAX1201 is a 2.2Msps pin-compatible upgrade to the MAX1205.

The MAX1205 is available in an MQFP package, and operates over the commercial (0°C to +70°C) and the extended (-40°C to +85°C) temperature ranges.

Key Features   Applications/Uses
  • Monolithic, 14-Bit, 1Msps ADC
  • +5V Single Supply
  • SNR of 80dB for fIN = 500kHz
  • SFDR of 87dB for fIN = 500kHz
  • Low Power Dissipation: 257mW
  • On-Demand Self-Calibration
  • Differential Nonlinearity Error: ±0.3LSB
  • Integral Nonlinearity Error: ±1.2LSB
  • Three-State, Two's Complement Output Data

 
  • Communication Systems
  • Data Acquisition
  • Imaging
  • Medical
  • Scanners

    Diagram
    MAX1205: Pin Configuration
    Pin Configuration

    Application Notes
  • Application Note 634: Pipeline ADCs Come of Age - MAX1205
  • Application Note 1023: Understanding Pipelined ADCs - MAX1205

    Reliability Reports
  • Show FIT data for:
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    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: 1-8 of 8

    MAX1205 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1205CMH+  
    Active MQFP;44 pin;181 mm²
    Outline Drawing: 21-0826 (PDF)
    Land Pattern: 90-0169 (PDF)
    Use pkgcode/variation: M44+2*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1205CMH+T    
    Active MQFP;44 pin;181 mm²
    Outline Drawing: 21-0826 (PDF)
    Land Pattern: 90-0169 (PDF)
    Use pkgcode/variation: M44+2*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1205EMH+T    
    Active MQFP;44 pin;181 mm²
    Outline Drawing: 21-0826 (PDF)
    Land Pattern: 90-0169 (PDF)
    Use pkgcode/variation: M44+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1205EMH+  
    Active MQFP;44 pin;181 mm²
    Outline Drawing: 21-0826 (PDF)
    Land Pattern: 90-0169 (PDF)
    Use pkgcode/variation: M44+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1205CMH  
    Active MQFP;44 pin;181 mm²
    Outline Drawing: 21-0826 (PDF)
    Land Pattern: 90-0169 (PDF)
    Use pkgcode/variation: M44-2*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1205CMH-T    
    Active MQFP;44 pin;181 mm²
    Outline Drawing: 21-0826 (PDF)
    Land Pattern: 90-0169 (PDF)
    Use pkgcode/variation: M44-2*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1205EMH  
    Active MQFP;44 pin;181 mm²
    Outline Drawing: 21-0826 (PDF)
    Land Pattern: 90-0169 (PDF)
    Use pkgcode/variation: M44-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1205EMH-T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet

    Notes and Comments
    • Low-power, self-calibrating, 14-bit ADC

    Related Products
    MAX1201 +5V, Single-Supply, 2.2Msps, 14-Bit Self-Calibrating ADC

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    Document Ref.: 19-4794; Rev 0; 1998-11-01
    This page last modified: 2009-11-05


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