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


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Description
FULL DATA SHEET (PDF, 776kB)
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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 Package RoHS Available Operating Temp. Range (°C) Price*
    MAX6325  2.5 1 0.04 3,000 8 36 1.5
    Series
    Ceramic DIP/8
    PDIP/8
    SOIC/8
    Yes -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

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




             



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