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Maxim > Products > [Amplifiers and Comparators] 
MAX9075, MAX9077
Low-Cost, Ultra-Small, 3µA Single-Supply Comparators


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Data Sheet
FULL DATA SHEET (PDF, 372kB)
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Description
The MAX9075/MAX9077 single/dual comparators are optimized for 3V and 5V single-supply applications. These comparators have a 580ns propagation delay and consume just 3µA per comparator. The combination of low-power, single-supply operation down to 2.1V, and ultra-small footprint makes these devices ideal for all portable applications.

The MAX9075/MAX9077 have a common-mode input voltage range of -0.2V to VCC - 1.2V. Unlike many comparators, there is no differential clamp between the inputs, allowing the differential input voltage range to extend rail-to-rail. All inputs and outputs tolerate a continuous short-circuit fault condition to either rail.

The design of the output stage limits supply-current surges while switching (typical of many other comparators), minimizing power consumption under dynamic conditions. Large internal push-pull output drivers allow rail-to-rail output swing with loads up to 2mA, making these devices ideal for interface with TTL/CMOS logic.

The MAX9075 single comparator is available in 5-pin SC70 and SOT23 packages, while the MAX9077 dual comparator is available in 8-pin SOT23, µMAX®, and SO packages.

Key Features   Applications/Uses
  • 580ns Propagation Delay from Only 3µA
  • 2.1V to 5.5V Single-Supply Operation
  • Ground-Sensing Inputs
  • Rail-to-Rail Outputs
  • No Output Phase Inversion for Overdriven Inputs
  • No Differential Clamp Across Inputs
  • Available in Ultra-Small Packages
    • 5-Pin SC70 (MAX9075)
    • 8-Pin SOT23 (MAX9077)

 
  		• Battery-Powered Systems
  		• Digital-Line Receivers
  		• IR Receivers
  		• Keyless Entry
  		• Threshold Detectors/Discriminators

    Key Specifications:   Comparators
    Part Number Number per Pkg. Typ Prop. Delay (ns) Input CMVR to Neg. Rail Min. Total Supply (V) Max. Total Supply (V) Max. Supply Current per Comp. (µA) Typ VOS (mV) VOS (max) (mV) Logic Output Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX9075  1 580 Yes 2.1 5.5 5.2 1 8 CMOS
    TTL     		SC70/5
    SOT/5     		5 -40 to +85 $0.64 @ 1k
    MAX9077  2 µMAX/8
    SOIC(N)/8
    SOT/8     		9 $0.96 @ 1k
    See All Comparators (83)
    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
    MAX9075, MAX9077: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  		• Application Note 886: Selecting the Right Comparator - MAX9075
  		• Application Note 2768: Ultra-Low Quiescent Supply Current 125kHz ASK Receiver - MAX9075

    Evaluation Kits
    none

    Design Guides
  		• Amplifiers and Sensors (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: 1-20 of 20

    MAX9075 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX9075EXK+  
    		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
    MAX9075EXK  
    		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
    MAX9075EXK-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
    MAX9075EXK+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
    MAX9075EUK+  
    		SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX9075EUK  
    		SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX9075EUK-T  
    		SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX9075EUK+T  
    		SOT;5 pin;9 mm²
    Outline Drawing: 21-0057 (PDF)
    Land Pattern: 90-0174 (PDF)
    Use pkgcode/variation: U5+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX9077 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX9077ESA  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX9077ESA-T  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX9077ESA+  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX9077ESA+T  
    		SOIC(N);8 pin;31 mm²
    Outline Drawing: 21-0041 (PDF)
    Land Pattern: 90-0096 (PDF)
    Use pkgcode/variation: S8+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX9077EKA+  
    		SOT;8 pin;9 mm²
    Outline Drawing: 21-0078 (PDF)
    Land Pattern: 90-0176 (PDF)
    Use pkgcode/variation: K8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX9077EKA  
    		SOT;8 pin;9 mm²
    Outline Drawing: 21-0078 (PDF)
    Land Pattern: 90-0176 (PDF)
    Use pkgcode/variation: K8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX9077EKA-T  
    		SOT;8 pin;9 mm²
    Outline Drawing: 21-0078 (PDF)
    Land Pattern: 90-0176 (PDF)
    Use pkgcode/variation: K8-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX9077EKA+T  
    		SOT;8 pin;9 mm²
    Outline Drawing: 21-0078 (PDF)
    Land Pattern: 90-0176 (PDF)
    Use pkgcode/variation: K8+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX9077EUA  
    		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
    MAX9077EUA-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
    MAX9077EUA+  
    		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
    MAX9077EUA+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

    Notes and Comments
    SC70, Low-cost, 3µA, Rail-to-Rail, 580ns prop delay

    More Information
  		• Topmark Coding: MAX9075 MAX9077
  		• New Product Press Release 1999-11-10 

    Related Products
    MAX917, MAX918, MAX919, MAX920 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference
    MAX985, MAX986, MAX989, MAX990, MAX993, MAX994 Micropower, Low-Voltage, UCSP/SC70, Rail-to-Rail I/O Comparators
    MAX965, MAX966, MAX967, MAX968, MAX969, MAX970 Single/Dual/Quad, Micropower, Ultra-Low-Voltage, Rail-to-Rail I/O Comparators

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     Description 
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    Document Ref.: 19-1547; Rev 3; 2007-01-22
    This page last modified: 2007-06-05


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