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Maxim > Products > [Amplifiers and Comparators]  [Automotive] 
MAX4036, MAX4037, MAX4038, MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps with +1.2V Buffered Reference

Low IBIAS +1.4V/800nA, Rail-to-Rail Op Amplifiers with +1.2V Buffered Reference


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 540kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The single MAX4036/MAX4037 and dual MAX4038/MAX4039 operational amplifiers operate from a single +1.4V to +3.6V (without reference) or +1.8V to +3.6V (with reference) supply and consume only 800nA of supply current per amplifier, and 1.1µA for the optional reference. The MAX4036/MAX4038 feature a common-mode input voltage range from 0V to VDD - 0.4V at VDD = 1.4V. The MAX4037/MAX4039 feature a 1.232V voltage reference capable of sourcing 100µA and sinking 20µA.

The MAX4036-MAX4039s' Rail-to-Rail outputs drive 5kΩ loads to within 25mV of the rails. Ultra-low supply current, low operating voltage, and rail-to-rail outputs make the MAX4036-MAX4039 ideal for use in singlecell lithium-ion (Li+), or two-cell NiCd/NiMH/alkaline battery-powered applications.

The MAX4036 is available in an SC70 package, the MAX4037 in a SOT23 package, and the MAX4038/MAX4039 in UCSP™, µMAX®, and TDFN packages.

Key Features   Applications/Uses
  • Ultra-Low 800nA per Amplifier Supply Current
  • Ultra-Low 1.4V Supply Voltage Operation (1.8V for MAX4037/MAX4039)
  • Rail-to-Rail Outputs Drive 5kΩ and 5000pF Load
  • 1.232V ±0.5%, 120ppm/°C (max) Reference (MAX4037/MAX4039)
  • No External Reference Bypass Capacitor Required
  • No Phase Reversal for Overdriven Inputs
  • Low 1.0pA (typ) Input Bias Current
  • Low 200µV Input Offset Voltage
  • Unity-Gain Stable
  • Available in Tiny UCSP, SC70, SOT23, TDFN, and µMAX Packages
  • Available in -40°C to +125°C Temperature Range (MAX4036A/MAX4038A)

 
  		• Active Badges
  		• Battery-Powered/Solar-Powered Systems
  		• Cellular Handsets
  		• Digital Cameras (DIGICAMs)
  		• Electrometer Amplifiers
  		• Glucose Meters
  		• GPS Solutions
  		• IP Camera
  		• Micropower Thermostats and Potentiostats
  		• MP3 and Portable Media Players
  		• Pagers and Cell Phones
  		• pH Meters
  		• Portable Medical Instrumentation
  		• Remote Sensor Amplifiers

    Key Specifications:  Operational Amplifiers
    Part Number Amps. Rail to Rail AVCL VSUPPLY (Total)
    (V)    		 VSUPPLY (Total)
    (V)    		 ICC per Amp.
    (µA)    		 ICC per Amp.
    (µA)    		 VOS
    (µV)    		 CMRR @DC
    (dB)    		 PSRR @DC
    (dB)    		 Input IBIAS
    (nA)    		 Unity Gain BW
    (MHz)    		 Slew Rate
    (V/µs)    		 en
    (nV/√Hz)    		 Low Pwr. Shutdn Package/Pins Price
    min min max typ max max typ typ max typ typ See Notes
    MAX4036  1 Output Only 1 1.4 3.6 0.8 1.2 2000 70 82 0.01 0.004 0.0004 500 No
    SC70/5
    		 $0.48 @1k
    MAX4037  1 1.9 2.4 84
    SOT/6
    		 $0.58 @5k
    MAX4038  2 0.8 1.2 82
    µMAX/8
    TDFN-EP/8
    UCSP/9
    		 $0.69 @1k
    MAX4039  2 1.4 2 84
    µMAX/10
    TDFN-EP/10
    UCSP/9
    		 $0.84 @1k
    See All Operational Amplifiers (145)

    Diagram
    MAX4036, MAX4037, MAX4038, MAX4039: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  		• Application Note 4122: Simple Regulator Provides Constant Voltage for High-Side Current Monitors - MAX4037
  		• Application Note 4428: Rail-to-Rail: Railroading and the Electronics of Op Amps - MAX4036

    Design Guides
  		• Amplifiers and Sensors (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report for:

    Software/Models
  		• MAX4036GBW Test Circuit File
  		• MAX4036 Orcad Library
  		• MAX4036SLEW Test Circuit File
  		• MAX4036AVOL Test Circuit File
  		• MAX4036 Macromodel
  		• MAX4037SLEW Test Circuit File
  		• MAX4037GBW Test Circuit File
  		• MAX4037 Orcad Library
  		• MAX4037AVOL Test Circuit File
  		• MAX4037 Macromodel
  		• MAX4038 Macromodel
  		• MAX4038 Orcad Library
  		• MAX4038GBW Test Circuit File
  		• MAX4038AVOL Test Circuit File
  		• MAX4038SLEW Test Circuit File

    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: 1-25 of 25

    MAX4036 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4036EXK+  
    		Active SC70;5 pin;5 mm²
    Outline Drawing: 21-0076 (PDF)
    Land Pattern: 90-0188 (PDF)
    Use pkgcode/variation: X5+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4036AAXK+T    
    		Active SC70;5 pin;5 mm²
    Outline Drawing: 21-0076 (PDF)
    Land Pattern: 90-0188 (PDF)
    Use pkgcode/variation: X5+1*
    		-40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4036EXK-T    
    		Active SC70;5 pin;5 mm²
    Outline Drawing: 21-0076 (PDF)
    Land Pattern: 90-0188 (PDF)
    Use pkgcode/variation: X5-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4036EXK+T    
    		Active SC70;5 pin;5 mm²
    Outline Drawing: 21-0076 (PDF)
    Land Pattern: 90-0188 (PDF)
    Use pkgcode/variation: X5+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4037 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4037EUT+  
    		Active SOT;6 pin;9 mm²
    Outline Drawing: 21-0058 (PDF)
    Land Pattern: 90-0175 (PDF)
    Use pkgcode/variation: U6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4037EUT+T    
    		Active SOT;6 pin;9 mm²
    Outline Drawing: 21-0058 (PDF)
    Land Pattern: 90-0175 (PDF)
    Use pkgcode/variation: U6+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4037EUT-T    
    		Active SOT;6 pin;9 mm²
    Outline Drawing: 21-0058 (PDF)
    Land Pattern: 90-0175 (PDF)
    Use pkgcode/variation: U6-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4038 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4038ETA+  
    		Active TDFN-EP;8 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0059 (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4038ETA-T    
    		Active TDFN-EP;8 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0059 (PDF)
    Use pkgcode/variation: T833-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4038ETA+T    
    		Active TDFN-EP;8 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0059 (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4038EBL+T    
    		Active UCSP;9 pin;2 mm²
    Outline Drawing: 21-0093 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B9+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4038EBL-T    
    		Active UCSP;9 pin;2 mm²
    Outline Drawing: 21-0093 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B9-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4038AAUA+  
    		Active µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4038AAUA+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +125°C See data sheet
    MAX4038EUA    
    		Active µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4038EUA-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4038EUA+  
    		Active µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4038EUA+T    
    		Active µMAX;8 pin;16 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4039 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4039ETB-T    
    		Active TDFN-EP;10 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0003 (PDF)
    Use pkgcode/variation: T1033-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4039ETB+T    
    		Active TDFN-EP;10 pin;10 mm²
    Outline Drawing: 21-0137 (PDF)
    Land Pattern: 90-0003 (PDF)
    Use pkgcode/variation: T1033+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4039EBL+T    
    		Active UCSP;9 pin;2 mm²
    Outline Drawing: 21-0093 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B9+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4039EUB    
    		Active µMAX;10 pin;15 mm²
    Outline Drawing: 21-0061 (PDF)
    Land Pattern: 90-0330 (PDF)
    Use pkgcode/variation: U10-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4039EUB-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX4039EUB+  
    		Active µMAX;10 pin;15 mm²
    Outline Drawing: 21-0061 (PDF)
    Land Pattern: 90-0330 (PDF)
    Use pkgcode/variation: U10+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4039EUB+T    
    		Active µMAX;10 pin;15 mm²
    Outline Drawing: 21-0061 (PDF)
    Land Pattern: 90-0330 (PDF)
    Use pkgcode/variation: U10+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  		• Topmark Coding: MAX4036 MAX4037 MAX4038 MAX4039
  		• New Product Press Release 2004-02-26 

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    Document Ref.: 19-3142; Rev 4; 2006-04-04
    This page last modified: 2009-07-15


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