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Part Number: MAX9018B

 

 

 

 

Description: The single MAX9015/MAX9016 and dual MAX9017MAX9020 nanopower comparators in space-saving SOT23 packa...


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MAX9018B General Description


    The single MAX9015/MAX9016 and dual MAX9017MAX9020 nanopower comparators in space-saving SOT23 packages feature Beyond-the-Rails™ inputs and are guaranteed to operate down to 1.8V. The Agrade  packages feature an on-board 1.236V ±1% reference, while the B-grade packages feature a 1.24V ±1.75% reference. An ultra-low supply current of 0.85µA (MAX9019/MAX9020), 1µA (MAX9015/MAX9016), or 1.2µA (MAX9017/MAX9018) makes the MAX9015MAX9020 family of comparators ideal for all 2-cell battery monitoring/management applications.
    The unique design of the MAX9015MAX9020 output stage limits supply-current surges while switching, which virtually eliminates the supply glitches typical of many other comparators. This design also minimizes overall power consumption under dynamic conditions. The MAX9015/MAX9017/MAX9019 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 6mA. The MAX9016 /MAX9018/MAX9020 have an open-drain output stage that makes them suitable for mixed-voltage system design. All devices are available in the ultra-small 8-pin SOT23 package.
    Refer to the MAX9117MAX9120 data sheet for similar single comparators with or without reference in a tiny SC70 package.

MAX9018B Maximum Ratings

Supply Voltage (VCC to VEE) ....................................................6V
IN+, IN-, INA+, INB+, INA-, INB-,
REF/INA-, REF..................................(VEE - 0.3V) to (VCC + 0.3V)
Output Voltage (OUT_)
   MAX9015A, MAX9017_, MAX9019....(VEE - 0.3V) to (VCC + 0.3V)
   MAX9016A, MAX9018_, MAX9020...................(VEE - 0.3V) to +6V
Output Current (REF, OUT_, REF/INA-)............................±50mA
Output Short-Circuit Duration (REF, OUT_, REF/INA-) ...........10s
Continuous Power Dissipation (TA = +70°C)
  8-Pin SOT23 (derate 9.1mW/°C above +70°C)............727mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C

MAX9018B Features

Ultra-Low Total Supply Current
      0.85µA (MAX9019/MAX9020)
      1.0µA (MAX9015A/MAX9016A)
      1.2µA (MAX9017/MAX9018)
Guaranteed Operation Down to 1.8V
Precision VOS < 5mV (max)
Internal 1.236V ±1% Reference (A Grade)
Input Voltage Range Extends 200mV
    Beyond-the-Rails
CMOS Push-Pull Output with ±6mA Drive
    Capability (MAX9015/MAX9017/MAX9019)
Open-Drain Output Versions Available
    (MAX9016/MAX9018/MAX9020)
Crowbar-Current-Free Switching
Internal 4mV Hysteresis for Clean Switching
No Phase Reversal for Overdriven Inputs
Dual Versions in Space-Saving 8-Pin SOT23
    Package

MAX9018B Typical Application

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

MAX9018B datasheet

MAX9018B
PDF/DataSheet Download

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