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MAX9117, MAX9118, MAX9119, MAX9120
SC70, 1.6V, Nanopower, Beyond-the-Rails Comparators With/Without Reference


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Description
FULL DATA SHEET (PDF, 344kB)
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The MAX9117–MAX9120 nanopower comparators in space-saving SC70 packages feature Beyond-the-Rails™ inputs and are guaranteed to operate down to +1.6V. The MAX9117/MAX9118 feature an on-board 1.252V ±1.75% reference and draw an ultra-low supply current of only 600nA, while the MAX9119/MAX9120 (without reference) require just 350nA of supply current. These features make the MAX9117–MAX9120 family of comparators ideal for all 2-cell battery-monitoring/management applications.

The unique design of the output stage limits supply-current surges while switching, virtually eliminating the supply glitches typical of many other comparators. This design also minimizes overall power consumption under dynamic conditions. The MAX9117/MAX9119 have a push-pull output stage that sinks and sources current. Large internal-output drivers allow rail-to-rail output swing with loads up to 5mA. The MAX9118/MAX9120 have an open-drain output stage that makes them suitable for mixed-voltage system design. All devices are available in the ultra-small 5-pin SC70 package.

Key Features   Applications/Uses
  • Space-Saving SC70 Package (Half the Size of SOT23)
  • Ultra-Low Supply Current
    • 350nA Per Comparator (MAX9119/MAX9120)
    • 600nA Per Comparator with Reference (MAX9117/MAX9118)
  • Guaranteed to Operate Down to +1.6V
  • Internal 1.252V ±1.75% Reference (MAX9117/MAX9118)
  • Input Voltage Range Extends 200mV Beyond-the-Rails
  • CMOS Push-Pull Output with ±5mA Drive Capability (MAX9117/MAX9119)
  • Open-Drain Output Versions Available (MAX9118/MAX9120)
  • Crowbar-Current-Free Switching
  • Internal Hysteresis for Clean Switching
  • No Phase Reversal for Overdriven Inputs

 
  • 2-Cell Battery Monitoring/Management
  • Medical Instruments
  • Mobile Communications
  • Notebooks and PDAs
  • Sensing at Ground or Supply Line
  • Telemetry and Remote Systems
  • Threshold Detectors/Discriminators
  • Ultra-Low-Power Systems

    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**
    MAX9119  1 14000 Yes 1.8 5.5 0.8 1 CMOS
    TTL
    No No SC-70/5 5 -40 to +85 $0.66 @ 1k
    MAX9120  SC-70/5
    SOIC/8
    $0.66 @ 1k
    See All Comparators (83)

    Key Specifications:   Comparators + Reference
    Part Number Comps. per Pkg. Threshold (V) Number of Inputs / Thresholds (V) Threshold Accuracy (%) Internal Reference Accuracy (%) Typ Prop. Delay (µs) Supply Voltage (min) (V) Supply Voltage (max) (V) Max. Total Supply Current (µA) Comp. Inputs Available Prog. Hyst. Typ VOS (mV) VOS (max) (mV) Logic Output Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX9117  1 1.252 1 / 1.252 1.75 1.75 40 1.8 5.5 1.3 1 NonInv + 1 Inv (to REF) No 1 10 Push-Pull SC-70/5
    SOIC/8
    5 -40 to +85 $0.95 @ 1k
    MAX9118  Open Drain SC-70/5 $0.95 @ 1k
    See All Comparators + Reference (42)
    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
    MAX9117, MAX9118, MAX9119, MAX9120: Typical Application Circuit
    Typical Application Circuit

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    Document Ref.: 19-1862; Rev 4; 2007-02-21
    This page last modified: 2007-06-14



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