SBOS014B September   2000  – January 2026 INA114

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Applications
  4. 3Description
  5. 4Pin Configuration and Functions
  6. 5Specifications
    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. 6Application and Implementation
    1. 6.1 Application Information
      1. 6.1.1 Setting the Gain
      2. 6.1.2 Noise Performance
      3. 6.1.3 Offset Trimming
      4. 6.1.4 Input Bias Current Return Path
      5. 6.1.5 Input Common-Mode Range
      6. 6.1.6 Input Protection
      7. 6.1.7 Output Voltage Sense (SOIC-16 Package Only)
    2. 6.2 Typical Applications
  8. 7Device and Documentation Support
    1. 7.1 Device Nomenclature
    2. 7.2 Receiving Notification of Documentation Updates
    3. 7.3 Support Resources
    4. 7.4 Trademarks
    5. 7.5 Electrostatic Discharge Caution
    6. 7.6 Glossary
  9. 8Revision History
  10. 9Mechanical, Packaging, and Orderable Information

3 Description

The INA114 is a low-cost, general-purpose instrumentation amplifier offering excellent accuracy. The versatile three-op-amp design and small size make this device an excellent choice for a wide range of applications.

A single external resistor sets any gain from 1 to 10,000. Internal input protection withstands up to ±40V without damage.

The INA114 is laser trimmed for very low offset voltage (50µV), low drift (0.3µV/°C), and high common-mode rejection (115dB at G = 1000). The device operates with power supplies as low as ±2.25V, allowing use in battery-operated and single 5V supply systems.

The INA114 is available in 8-pin PDIP and 16-pin SOIC surface-mount packages. Both are specified for a temperature range of −40°C to +85°C.

Package Information
PART NUMBER PACKAGE(1) PACKAGE SIZE(2)
INA114 P (PDIP, 8) 9.81mm × 9.43mm
DW (SOIC, 16) 10.3mm × 10.3mm
(1) For more information, see Section 9.
(2) The package size (length × width) is a nominal value and includes pins, where applicable.
INA114 Schematic Schematic