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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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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
  		• Electrometer Amplifiers
  		• Micropower Thermostats and Potentiostats
  		• Pagers and Cell Phones
  		• pH Meters
  		• Portable Medical Instrumentation
  		• Remote Sensor Amplifiers

    Key Specifications:   Operational Amplifiers
    Part Number Amps Per Pkg. Rail to Rail Min. Stable Closed Loop Gain (V/V) Min. Total Supply (V) Max. Total Supply (V) Typ. Supply Current per Amp. (µA) Max. Supply Current per Amp. (µA) Max. VOS (µV) Typ. CMRR @ DC (dB) Typ PSRR @ DC (dB) Max. Input IBIAS (nA) Typ. Unity Gain BW (MHz) Typ. Slew Rate (V/µs) Input Voltage Noise Density (nV/√Hz) Low Power Shutdown Package Price**
    MAX4036  1 Output Only 1 1.4 3.6 0.8 1.2 2,000 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 (144)
    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.

    Application Notes
  		• Application Note 4122: Simple Regulator Provides Constant Voltage for High-Side Current Monitors - MAX4037

    Evaluation Kits
    none

    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: 1-34 of 34

    MAX4036 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4036AAXK+  
    		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+  
    		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
    MAX4036EXK    
    		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
    MAX4036AAXK+T    
    		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    
    		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
    MAX4036EXK-T    
    		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
    MAX4037 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4037EUT    
    		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
    MAX4037EUT+  
    		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    
    		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    
    		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
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4038ETA    
    		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+  
    		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    
    		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    
    		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
    MAX4038EBL    
    		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
    MAX4038EBL+  
    		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    
    		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    
    		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+T    
    		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+  
    		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
    MAX4038EUA    
    		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    
    		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    
    		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+  
    		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
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4039ETB    
    		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+  
    		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
    MAX4039ETB+T    
    		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
    MAX4039ETB-T    
    		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
    MAX4039EBL+  
    		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
    MAX4039EBL+T    
    		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    
    		µMAX;10 pin;15 mm²
    Outline Drawing: 21-0061 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: U10-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4039EUB-T    
    		µMAX;10 pin;15 mm²
    Outline Drawing: 21-0061 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: U10-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4039EUB+T    
    		µMAX;10 pin;15 mm²
    Outline Drawing: 21-0061 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: U10+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4039EUB+  
    		µMAX;10 pin;15 mm²
    Outline Drawing: 21-0061 (PDF)
    Land Pattern: Not Available
    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: 2007-08-27


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