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MAX6325, MAX6341, MAX6350
1ppm/°C, Low-Noise, +2.5V/+4.096V/+5V Voltage References


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Data Sheet
FULL DATA SHEET (PDF, 776kB)
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Description
The MAX6325/MAX6341/MAX6350 are low-noise, precision voltage references with extremely low, 0.5ppm/°C typical temperature coefficients and excellent, ±0.02% initial accuracy. These devices feature buried-zener technology for lowest noise performance. Load-regulation specifications are guaranteed for source and sink currents up to 15mA. Excellent line and load regulation and low output impedance at high frequencies make them ideal for high-resolution data-conversion systems up to 16 bits.

The MAX6325 is set for a 2.500V output, the MAX6341 is set for a 4.096V output, and the MAX6350 is set for a 5.000V output. All three provide for the option of external trimming and noise reduction.

Key Features   Applications/Uses
  • Ultra-Low, 1ppm/°C Max Tempco
  • Very Low, 1.5µVp-p Noise (0.1Hz to 10Hz) (MAX6325)
  • ±0.02% Initial Accuracy (MAX6350)
  • ±15mA Output Source and Sink Current
  • Low, 18mW Power Consumption (MAX6325)
  • Industry-Standard Pinout
  • Optional Noise Reduction and Voltage Trim
  • Excellent Transient Response
  • 8-Pin SO Package Available
  • Low, 30ppm/1000h Long-Term Stability
  • Stable for All Capacitive Loads

 
  • Automated Test Equipment (ATE)
  • Digital Voltmeters
  • High-Accuracy Industrial and Process Control
  • High-Accuracy Reference Standard
  • High-Resolution A/D and D/A Converters
  • Precision Current Sources

    Key Specifications:   Voltage References
    Part Number Output Voltage (V) Tempco (max) (ppm/°C) Initial Accuracy (% max @ +25°C) Supply Current - Series Only (max) (µA) Supply Voltage - Series Only (min) (V) Supply Voltage - Series Only (max) (V) Noise 0.1Hz to 10Hz (µVp-p typ) Features RoHS Available Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX6325  2.5 1 0.04 3,000 8 36 1.5
    Series
    Yes Ceramic DIP/8
    PDIP/8
    SOIC/8
    31 -40 to +85
    -55 to +125
    0 to +70
    $6.69 @ 1k
    MAX6341  4.096 0.02 3,200 2.4 $6.69 @ 1k
    MAX6350  5.0 0.02 3,300 3 $6.69 @ 1k
    See All Voltage References (159)
    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.

    Diagram
    Typical Operating Circuit

    Pin Configuration

    Application Notes
  • Application Note 633: Bench Characterization of ADCs Using a Low-Cost PC-Based Data-Acquisition Board - MAX6341
  • Application Note 722: 3V/5V DACs Support Intelligent Current Loop - MAX6325
  • Application Note 754: Selecting the Right Series Voltage Reference for Absolute-Accuracy Voltage-Output DAC Designs - MAX6325, MAX6341, MAX6350
  • Application Note 2879: Selecting the Optimum Voltage Reference - MAX6325, MAX6341, MAX6350

    Evaluation Kits
    none

    Reliability Reports
  • Show FIT data for:
  • Reliability Report: MAX6350xxA.pdf
  • 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: 1-39 of 39

    MAX6325 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6325MJA  
    Ceramic DIP;8 pin;81 mm²
    Dwg: 21-0045 :Maxim
    Use pkgcode/variation: J8-2*
    -55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6325CPA  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8-3*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6325CPA+  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8+3*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6325EPA  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8-3*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6325EPA+  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8+3*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6325CSA+T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6325CSA+  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6325CSA  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6325CSA-T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6325ESA+  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6325ESA+T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6325ESA-T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6325ESA  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6341 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6341MJA  
    Ceramic DIP;8 pin;81 mm²
    Dwg: 21-0045 :Maxim
    Use pkgcode/variation: J8-2*
    -55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6341CPA  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8-3*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6341CPA+  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8+3*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6341EPA+  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8+3*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6341EPA  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8-3*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6341CSA+T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6341CSA-T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6341CSA  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6341CSA+  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6341ESA  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6341ESA+T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6341ESA-T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6341ESA+  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6350 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6350MJA  
    Ceramic DIP;8 pin;81 mm²
    Dwg: 21-0045 :Maxim
    Use pkgcode/variation: J8-2*
    -55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6350CPA  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8-3*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6350CPA+  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8+3*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6350EPA  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8-3*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6350EPA+  
    PDIP;8 pin;82 mm²
    Dwg: 21-0043D (PDF)
    Use pkgcode/variation: P8+3*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6350CSA+  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6350CSA+T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6350CSA-T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6350CSA  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6350ESA+  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6350ESA-T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6350ESA  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-5*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6350ESA+T  
    SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+5*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    Notes and Comments
    • Low-noise, precision voltage references; ultra-low drift

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    Document Ref.: 19-1203; Rev 1; 2001-12-18
    This page last modified: 2007-05-31




             


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