SLCS005AE October   1979  – November 2020 LM193 , LM2903 , LM2903B , LM2903V , LM293 , LM293A , LM393 , LM393A , LM393B

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  Recommended Operating Conditions
    3. 6.3  Thermal Information: LM193
    4. 6.4  Thermal Information: LM293, LM393, LM2903 (all 'V' and 'A' suffixes)
    5. 6.5  Thermal Information: LM393B and LM2903B
    6. 6.6  ESD Ratings
    7. 6.7  Electrical Characteristics LM393B
    8. 6.8  Electrical Characteristics LM2903B
    9. 6.9  Switching Characteristics LM393B and LM2903B
    10. 6.10 Electrical Characteristics for LM193, LM293, and LM393 (without A suffix)
    11. 6.11 Electrical Characteristics for LM293A and LM393A
    12. 6.12 Electrical Characteristics for LM2903, LM2903V, and LM2903AV
    13. 6.13 Switching Characteristics: LM193, LM239, LM393, LM2903, all 'A' and 'V' versions
    14. 6.14 Typical Characteristics, LMx93, LM2903 (all 'V' and 'A' suffixes)
    15. 6.15 Typical Characteristics, LM393B and LM2903B
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Voltage Comparison
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input Voltage Range
        2. 8.2.2.2 Minimum Overdrive Voltage
        3. 8.2.2.3 Output and Drive Current
        4. 8.2.2.4 Response Time
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.2.2.1 Input Voltage Range

When choosing the input voltage range, the input common mode voltage range (VICR) must be taken in to account. If temperature operation is below 25°C the VICR can range from 0 V to VCC– 2.0 V. This limits the input voltage range to as high as VCC– 2.0 V and as low as 0 V. Operation outside of this range can yield incorrect comparisons.

The following is a list of input voltage situation and their outcomes:

  1. When both IN- and IN+ are both within the common-mode range:
    1. If IN- is higher than IN+ and the offset voltage, the output is low and the output transistor is sinking current
    2. If IN- is lower than IN+ and the offset voltage, the output is high impedance and the output transistor is not conducting
  2. When IN- is higher than common-mode and IN+ is within common-mode, the output is low and the output transistor is sinking current
  3. When IN+ is higher than common-mode and IN- is within common-mode, the output is high impedance and the output transistor is not conducting
  4. When IN- and IN+ are both higher than common-mode, the output is low and the output transistor is sinking current