SLCS141M May   2003  – December 2024 LM2903-Q1 , LM2903B-Q1

PRODUCTION DATA  

  1.   1
  2.   Features
  3.   Applications
  4.   Description
  5. 1Pin Configuration and Functions
    1. 1.1 Pin Functions
  6. 2Specifications
    1. 2.1  Absolute Maximum Ratings, LM2903-Q1 and LM2903E-Q1
    2. 2.2  Absolute Maximum Ratings, LM2903B-Q1
    3. 2.3  ESD Ratings, LM2903-Q1 and LM2903E-Q1
    4. 2.4  ESD Ratings, LM2903B-Q1
    5. 2.5  Recommended Operating Conditions, LM2903B-Q1
    6. 2.6  Recommended Operating Conditions, LM2903-Q1
    7. 2.7  Recommended Operating Conditions, LM2903E-Q1
    8. 2.8  Thermal Information
    9. 2.9  Electrical Characteristics LM2903B - Q1
    10. 2.10 Switching Characteristics LM2903B - Q1
    11. 2.11 LM2903B-Q1 "T", "R" and "H" Temperature Test Options
    12. 2.12 Electrical Characteristics, LM2903-Q1 and LM2903E-Q1
    13. 2.13 Switching Characteristics, LM2903-Q1 and LM2903E-Q1
    14. 2.14 Typical Characteristics
  7. 3Detailed Description
    1. 3.1 Overview
    2. 3.2 Functional Block Diagram
    3. 3.3 Feature Description
    4. 3.4 Device Functional Modes
      1. 3.4.1 Voltage Comparison
  8. 4Application and Implementation
    1. 4.1 Application Information
    2. 4.2 Typical Application
      1. 4.2.1 Design Requirements
      2. 4.2.2 Detailed Design Procedure
        1. 4.2.2.1 Input Voltage Range
        2. 4.2.2.2 Minimum Overdrive Voltage
        3. 4.2.2.3 Output and Drive Current
        4. 4.2.2.4 Response Time
      3. 4.2.3 Application Curves
    3. 4.3 Power Supply Recommendations
    4. 4.4 Layout
      1. 4.4.1 Layout Guidelines
      2. 4.4.2 Layout Example
  9. 5Device and Documentation Support
    1. 5.1 Documentation Support
      1. 5.1.1 Related Documentation
    2. 5.2 Receiving Notification of Documentation Updates
    3. 5.3 Support Resources
    4. 5.4 Trademarks
    5. 5.5 Electrostatic Discharge Caution
    6. 5.6 Glossary
  10. 6Revision History
  11. 7Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|8
  • DGK|8
  • DDF|8
  • PW|8
  • DSG|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Description

The LM2903B-Q1 device is the next generation version of the industry-standard LM2903-Q1 comparator family. This next generation family provides outstanding value for cost-sensitive applications, with features including lower offset voltage, higher supply voltage capability, lower supply current, lower input bias current, lower propagation delay, and improved 2kV ESD performance with drop-in replacement convenience.

All devices consist of two independent voltage comparators that are designed to operate over a wide range of voltages. Operation from dual supplies also is possible as long as the difference between the two supplies is within 2V to 36V, and VCC is at least 1.5V more positive than the input common-mode voltage. The outputs can be connected to other open-collector outputs.

The LM2903-Q1 and LM2903B-Q1 are qualified for the AEC-Q100 Grade 1 temperature range of -40°C to +125°C. The LM2903E-Q1 is Qualified for the Grade 0 extended temperature range of -40°C to +150°C.

Device Information
PART NUMBER PACKAGE (1) BODY SIZE (NOM)
LM2903B-Q1 SOIC (8) 4.90mm × 3.91mm
TSSOP (8) 3.00mm × 4.40mm
VSSOP(8) 3.00mm x 3.00mm
WSON (8) 2.00mm x 2.00mm
SOT-23 (8) 1.60mm × 2.90mm
LM2903-Q1 SOIC (8) 4.90mm × 3.91mm
TSSOP (8) 3.00mm × 4.40mm
VSSOP(8) 3.00mm x 3.00mm
LM2903E-Q1 TSSOP (8) 3.00mm × 4.40mm
(1) For all available packages, see the orderable addendum at the end of the data sheet.
Family Comparison Table
Specification LM2903B-Q1 LM2903-Q1 LM2903-Q1
"A" Devices		 LM2903-Q1
"AV" Devices		 LM2903E-Q1 Units
Specified Supply Votlage 2 to 36 2 to 30 2 to 30 2 to 32 2 to 30 V
Total Supply Current (5V to VS max) 0.6 to 0.8 1 to 2.5 1 to 2.5 1 to 2.5 1 to 2.5 mA
Temperature Range −40 to 125 −40 to 125 −40 to 125 −40 to 125 -40 to 150 °C
ESD (HBM / CDM) 2k / 1k 1k / 750 1k / 750 1k / 750 1k / 750 V
Offset Voltage (max over temp) ± 4 ± 15 ± 4 ± 4 ± 15 mV
Input Bias Current (typ / max) 3.5 / 25 25 / 250 25 / 250 25 / 250 25 / 250 nA
Response Time (typ) 1 1.3 1.3 1.3 1.3 µsec