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MAX9075, MAX9077
Low-Cost, Ultra-Small, 3µA Single-Supply Comparators


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Description
FULL DATA SHEET (PDF, 372kB)
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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) Logic Output Latched Outputs Complementary Outputs Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX9075  1 580 Yes 2.1 5.5 5.2 1 CMOS
    TTL
    No No SC-70/5
    SOT-23/5
    5 -40 to +85 $0.64 @ 1k
    MAX9077  2 SOIC/8
    SOT-23/8
    uMAX/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

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



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