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  • LPV521 NanoPower, 1.8V, RRIO, CMOS Input, Operational Amplifier

    • SNOSB14E August   2009  – July 2024 LPV521

      PRODUCTION DATA  

  • CONTENTS
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  • LPV521 NanoPower, 1.8V, RRIO, CMOS Input, Operational Amplifier
  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
    4. 6.4 Device Functional Modes
      1. 6.4.1 Input Stage
      2. 6.4.2 Output Stage
  8. 7 Applications and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Driving Capacitive Load
      2. 7.1.2 EMI Suppression
    2. 7.2 Typical Applications
      1. 7.2.1 60Hz Twin T-Notch Filter
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curve
      2. 7.2.2 Portable Gas Detection Sensor
        1. 7.2.2.1 Design Requirements
        2. 7.2.2.2 Detailed Design Procedure
        3. 7.2.2.3 Application Curve
      3. 7.2.3 High-Side Battery Current Sensing
        1. 7.2.3.1 Design Requirements
        2. 7.2.3.2 Detailed Design Procedure
        3. 7.2.3.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
  12. IMPORTANT NOTICE
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Data Sheet

LPV521 NanoPower, 1.8V, RRIO, CMOS Input, Operational Amplifier

1 Features

  • For VS = 5V, typical unless otherwise noted:
    • Supply current at VCM = 0.3V: 400nA (max)
    • Operating voltage range: 1.6V to 5.5V
    • Low TCVOS: 3.5µV/°C (max)
    • VOS: 1mV (max)
    • Input bias current: 40fA
    • PSRR: 109dB
    • CMRR: 102dB
    • Open-loop gain: 132dB
    • Gain bandwidth product: 6.2kHz
    • Slew rate: 2.4V/ms
    • Input voltage noise at f = 100Hz: 255nV/√Hz
    • Temperature range: −40°C to +125°C

2 Applications

  • Wireless environmental sensors
  • Grid asset monitoring
  • Electricity meter
  • Smoke and heat detector
  • Gas detector
  • Portable electronics
  • Thermostat
  • Field transmitter and sensor

 
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