SBOS945B November   2020  – April 2021 INA849

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Adjustable Gain Setting
      2. 8.3.2 Gain Drift
      3. 8.3.3 Wide Input Common-Mode Range
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Reference Pin
      2. 9.1.2 Input Bias Current Return Path
      3. 9.1.3 Thermal Effects due to Power Dissipation
    2. 9.2 Typical Application
      1. 9.2.1 Sensor Conditioning Circuit
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
      2. 9.2.2 Phantom Power in Microphone Preamplifier Circuit
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

5 Device Comparison Table

DEVICE DESCRIPTION GAIN EQUATION RG PINS AT PIN
INA159 G = 0.2 V differential amplifier for ±10-V to 3-V and 5-V conversion G = 0.2 V/V N/A
INA819 35-µV offset, 0.4-µV/°C VOS drift, 8-nV/√Hz noise, low-power, precision instrumentation amplifier G = 1 + 50 kΩ / RG 2, 3
INA818 35-µV offset, 0.4-µV/°C VOS drift, 8-nV/√Hz noise, low-power, precision instrumentation amplifier G = 1 + 50 kΩ / RG 1, 8
INA821 35-µV offset, 0.4-µV/°C VOS drift, 7-nV/√Hz noise, high-bandwidth, precision instrumentation amplifier G = 1 + 49.4 kΩ / RG 2, 3
INA828 50-µV offset, 0.5-µV/°C VOS drift, 7-nV/√Hz noise, low-power, precision instrumentation amplifier G = 1 + 50 kΩ / RG 1, 8
INA333 25-µV VOS, 0.1-µV/°C VOS drift, 1.8-V to 5-V, RRO, 50-µA IQ, chopper-stabilized INA G = 1 + 100 kΩ / RG 1, 8
INA848 Ultra-low-noise (1.5-nV/√Hz), high-bandwidth instrumentation amplifier with fixed gain of 2000 G = 2000 V/V N/A
PGA280 Zero-drift, high-voltage programmable gain instrumentation amplifier with signal integrity test capability (overload detection, input switch matrix, wire break test, SPI with checksum, GPIO ports) Digitally programmable N/A
PGA112 Precision programmable gain op amp with SPI Digitally programmable N/A