SNOS748F September   1999  – December 2025 LMC7221

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Applications
  4. 3Description
  5. 4Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 Operating Ratings
    3. 4.3 Electrical Characteristics: 2.7 V
    4. 4.4 Electrical Characteristics: 5.0 V and 15.0 V
    5. 4.5 Leakage Characteristics
    6. 4.6 AC Electrical Characteristics
    7. 4.7 Typical Characteristics
  6. 5Application and Implementation
    1. 5.1 Application Information
      1. 5.1.1  Benefits of the LMC7221 Tiny Comparator
        1. 5.1.1.1  Size
        2. 5.1.1.2  Height
        3. 5.1.1.3  Simplified Board Layout
        4. 5.1.1.4  Low Supply Current
        5. 5.1.1.5  Wide Voltage Range
        6. 5.1.1.6  Digital Outputs Representing Signal Level
        7. 5.1.1.7  Open Drain Output
        8. 5.1.1.8  Driving LEDs (Light Emitting Diodes)
        9. 5.1.1.9  Input Range to Beyond Rail to Rail
        10. 5.1.1.10 Zero Crossing Detector
        11. 5.1.1.11 Low Input Currents and High Input Impedance
        12. 5.1.1.12 Direct Sensor Interfacing
      2. 5.1.2  Low Voltage Operation
      3. 5.1.3  Open Drain Output
        1. 5.1.3.1 Output Stage
      4. 5.1.4  Output Short Circuit Current
      5. 5.1.5  Input Protection
      6. 5.1.6  Layout Considerations
      7. 5.1.7  Push-Pull Outputs, Dual Versions
      8. 5.1.8  Additional 5-Pin SOT-23 Tiny Devices
      9. 5.1.9  Spice Macromodel
      10. 5.1.10 Device and Documentation Support
        1. 5.1.10.1 Receiving Notification of Documentation Updates
        2. 5.1.10.2 Support Resources
        3. 5.1.10.3 Trademarks
        4. 5.1.10.4 Electrostatic Discharge Caution
        5. 5.1.10.5 Glossary
  7. 6Device and Documentation Support
    1. 6.1 Receiving Notification of Documentation Updates
    2. 6.2 Support Resources
    3. 6.3 Trademarks
    4. 6.4 Electrostatic Discharge Caution
    5. 6.5 Glossary
  8. 7Revision History
  9. 8Mechanical, Packaging, and Orderable Information

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4.4 Electrical Characteristics: 5.0 V and 15.0 V

Unless otherwise specified, all limits ensured for TJ = 25°C, V+ = 5.0V and 15V, V− = 0V, VCM = VO = V+/2. Boldface limits apply at the temperature extremes.
ParameterTest ConditionsTyp(1)LMC7221AI
Limit(1)		LMC7221BI
Limit(1)		Units
VOSInput Offset Voltage3515mV
818max
TCVOSInput Offset Voltage Temperature DriftV+ = 5V1.0μV/°C
V+ = 15V4.0
IBInput Current0.04pA
IOSInput Offset Current0.02pA
CMRRCommon Mode Rejection RationV+ = 5.0V75dB
V+ = 15.0V82dB
PSRRPower Supply Rejection Ratio5V ≤ V+ ≤ 10V80dB
AVVoltage Gain100dB
CMVRInput Common-Mode Voltage RangeV+ = 5.0V
CMRR > 55dB		5.35.25.2V
5.05.0min
V+ = 5.0V
CMRR > 55dB		−0.3−0.2−0.2V
0.00.0max
V+ = 15.0V
CMRR > 55dB		15.315.215.2V
15.015.0min
V+ = 15.0V
CMRR > 55dB		−0.3−0.2−0.2V
0.00.0max
VOLOutput Voltage LowV+ = 5V
ILOAD = 5mA		0.20.400.40mV
0.550.55max
V+ = 15V
ILOAD = 5mA		0.20.400.40mV
0.550.55max
ISSupply CurrentVOUT = Low71414μA
1818max
ISCShort Circuit CurrentSinking (1)45mA