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MAX6018
Precision, Micropower, 1.8V Supply, Low-Dropout, SOT23 Voltage Reference


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Data Sheet
FULL DATA SHEET (PDF, 308kB)
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Description
The MAX6018 is a precision, low-voltage, low-dropout, micropower voltage reference in a SOT23 package. This three-terminal reference operates with an input voltage from (VOUT + 200mV) to 5.5V, and is available with output voltage options of 1.2V, 1.6V, 1.8V, and 2.048V.

The MAX6018 voltage reference consumes less than 5µA (max) of supply current and can source and sink up to 1mA of load current. Unlike conventional shunt-mode (two-terminal) references that waste supply current and require an external resistor, devices in the MAX6018 family offer a supply current that is virtually independent of supply voltage (with only 0.1µA/V variation with supply voltage) and do not require an external resistor. The MAX6018 has initial accuracies of 0.2% (A grade) and 0.4% (B grade) and temperature drift of 50ppm/°C (max). The low-dropout voltage and the ultra-low, supply voltage-independent supply current make this device ideal for two-cell alkaline, end-of-life, battery-monitoring systems. The MAX6018 is available in a tiny 3-pin SOT23 package.

Key Features   Applications/Uses
  • Ultra-Low Supply Current: 5µA (max)
  • 1.6V Output from 1.8V Input
  • Ultra-Small, 3-Pin SOT23 Package
  • Initial Accuracy: ±0.2% (max)
  • Low Temperature Drift: 50ppm/°C (max)
  • 200mV Dropout Voltage
  • Load Regulation (1mA Source): 700µV/mA (max)
  • Line Regulation (VOUT + 200mV) to 5.5V: 250µV/V (max)
  • Four Output Voltage Options: 1.2V, 1.6V, 1.8V, 2.048V

     
  • Battery-Powered Applications
  • Data Acquisition
  • Handheld Equipment
  • Industrial and Process Control Systems
  • Two-Cell Battery-Powered Systems

    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 Operating Temp. Range (°C) Price**
    MAX6018A  1.25
    1.6
    1.8
    2.048
    50 0.2 5 1.8 5.5 40
    Series
    SOT-23/3 -40 to +85 $1.00 @ 1k
    MAX6018B  0.4 $0.85 @ 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
    MAX6018: Typical Operating Circuit
    Typical Operating Circuit

    MAX6018: Pin Configuration
    Pin Configuration

    Application Notes
  • Application Note 3655: Buffered Linear-Ramp Generator Operates Rail-to-Rail from a Single Supply - MAX6018

    Evaluation Kits
    none

    Design Guides
  • Reference (PDF)

    Reliability Reports
  • Show FIT data for:
  • Reliability Report: MAX6018xEUR.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: 1-32 of 32

    MAX6018A Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6018AEUR12+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018AEUR12  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018AEUR16+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018AEUR16  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018AEUR18+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018AEUR18  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018AEUR21+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018AEUR21  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018AEUR12-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018AEUR21+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018AEUR18+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018AEUR16+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018AEUR16-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018AEUR18-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018AEUR21-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018AEUR12+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018B Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6018BEUR21+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018BEUR18  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018BEUR18+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018BEUR16  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018BEUR16+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018BEUR12  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018BEUR12+  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018BEUR21  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018BEUR16+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018BEUR18+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018BEUR12-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018BEUR16-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018BEUR18-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018BEUR21-T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6018BEUR12+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6018BEUR21+T  
    SOT-23;3 pin;
    Dwg: 21-0051 (PDF)
    Use pkgcode/variation: U3+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  • Topmark Coding: MAX6018
  • New Product Press Release 2001-11-29 

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     Description 
     Key Features 
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     Diagram 

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    Document Ref.: 19-2211; Rev 2; 2003-01-24
    This page last modified: 2007-09-19



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