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Maxim > Products > Voltage References 
MAX6125, MAX6141, MAX6145, MAX6150, MAX6160
SOT23, Low-Cost, Low-Dropout, 3-Terminal Voltage References


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Data Sheet
FULL DATA SHEET (PDF, 728kB)
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Description
The MAX6125/MAX6141/MAX6145/MAX6150/MAX6160 low-dropout, micropower, three-terminal voltage references offer 2.5V, 4.096V, 4.5V, 5.0V, and adjustable (1.23V to 12.4V) output voltages, respectively. Low, 200mV dropout makes these devices ideal for 3V and 5V systems. Unlike two-terminal references that waste battery current and require an external resistor, the MAX61xx family's supply current is virtually independent of input voltage variations, which translates to longer battery life.

Initial accuracy for these devices is ±1%. The output temperature coefficient is typically 15ppm/°C, and guaranteed to be less than 50ppm/°C (except for the MAX6160). The MAX6125/MAX6141/MAX6145/ MAX6150 are available in 3-pin SOT23 and 8-pin SO packages. The MAX6160 is available in 4-pin SOT143 and 8-pin SO packages.

Key Features   Applications/Uses
  • 3-Pin SOT23 Package (MAX6125/MAX6141/MAX6145/MAX6150) 4-Pin SOT143 Package (MAX6160)
  • Low, 200mV Dropout Voltage
  • 75µA Supply Current, Independent of Input Voltage
  • 15ppm/°C Typical Tempco (50ppm/°C, max)
  • Stable for All Capacitive Loads up to 10nF
  • Adjustable Output Voltage from 1.23V to (VIN - 0.2V) (MAX6160)
  • Optimized for 3V/5V Operation

 
  		• 3V/5V Systems
  		• Battery-Powered Systems
  		• Data Acquisition Systems
  		• Instrumentation and Process Control
  		• Portable and Handheld Equipment

    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**
    MAX6125  2.5 50 1 130 2.7 12.6 15
    •Series
    		 Yes SOIC/8
    SOT-23/3     		8 -40 to +85 $1.25 @ 1k
    MAX6141  4.096 50 4.3 25 SOIC/8
    SOT-23/3     		$0.95 @ 1k
    MAX6145  4.5 50 4.7 30 SOIC/8
    SOT-23/3     		$0.95 @ 1k
    MAX6150  5.0 50 5.2 35 SOIC/8
    SOT-23/3     		$0.95 @ 1k
    MAX6160  Adjustable 100 2.7 15 SOIC/8
    SOT-143/4     		$0.88 @ 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 629: Digitally Adjustable Voltage References - MAX6160
  		• Application Note 754: Selecting the Right Series Voltage Reference for Absolute-Accuracy Voltage-Output DAC Designs - MAX6125, MAX6141, MAX6145, MAX6150, MAX6160
  		• Application Note 824: Miniature, Precision Negative Reference Requires No Precision Resistors - MAX6125, MAX6150
  		• Application Note 1085: Selectable-Range Current Loop - MAX6125
  		• Application Note 1811: Visible-Laser Driver Has Digitally Controlled Power Modulation - MAX6125
  		• Application Note 2879: Selecting the Optimum Voltage Reference - MAX6125, MAX6141, MAX6145, MAX6150, MAX6160

    Evaluation Kits
    none

    Design Guides
  		• MICROPROCESSOR SUPERVISORY (PDF)
  		• REFERENCE (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: 1-40 of 40

    MAX6125 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6125ESA  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6125ESA-T  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6125ESA+  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6125ESA+T  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6125EUR+  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6125EUR  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6125EUR+T  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6125EUR-T  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6141 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6141ESA-T  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6141ESA  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6141ESA+T  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6141ESA+  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6141EUR+  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6141EUR  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6141EUR-T  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6141EUR+T  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6145 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6145ESA+  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6145ESA+T  



    		-40°C to +85°C See data sheet
    MAX6145ESA  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6145ESA-T  



    		-40°C to +85°C See data sheet
    MAX6145EUR  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6145EUR+  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6145EUR-T  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6145EUR+T  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6150 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6150ESA+T  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6150ESA+  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6150ESA-T  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6150ESA  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6150EUR  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6150EUR+  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6150EUR+T  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6150EUR-T  
    		SOT-23;3 pin;8 mm²
    Dwg: 21-0051H (PDF)
    Use pkgcode/variation: U3-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6160 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX6160ESA-T  



    		-40°C to +85°C See data sheet
    MAX6160ESA+  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6160ESA+T  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6160ESA  
    		SOIC;8 pin;31 mm²
    Dwg: 21-0041B (PDF)
    Use pkgcode/variation: S8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6160EUS  
    		SOT-143;4 pin;8 mm²
    Dwg: 21-0052F (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6160EUS+  
    		SOT-143;4 pin;8 mm²
    Dwg: 21-0052F (PDF)
    Use pkgcode/variation: U4+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX6160EUS-T  
    		SOT-143;4 pin;8 mm²
    Dwg: 21-0052F (PDF)
    Use pkgcode/variation: U4-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX6160EUS+T  
    		SOT-143;4 pin;8 mm²
    Dwg: 21-0052F (PDF)
    Use pkgcode/variation: U4+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    Notes and Comments
    • Low-cost, low-dropout, micropower, three-terminal voltage references (MAX6125/MAX6141/MAX6145/MAX6150)
    • Low-cost, low-dropout, micropower, adjustable, three-terminal voltage references (MAX6160)

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    Document Ref.: 19-1177; Rev 1; 2002-12-31
    This page last modified: 2007-05-31




             


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