SBOS777D November   2016  – July 2020 OPA2388 , OPA388 , OPA4388

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 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information: OPA388
    5. 6.5 Thermal Information: OPA2388
    6. 6.6 Thermal Information: OPA4388
    7. 6.7 Electrical Characteristics: VS = ±1.25 V to ±2.75 V (VS = 2.5 to 5.5 V)
    8. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Operating Voltage
      2. 7.3.2 Input Voltage and Zero-Crossover Functionality
      3. 7.3.3 Input Differential Voltage
      4. 7.3.4 Internal Offset Correction
      5. 7.3.5 EMI Susceptibility and Input Filtering
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Bidirectional Current-Sensing
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Single Operational Amplifier Bridge Amplifier
      3. 8.2.3 Precision, Low-Noise, DAC Buffer
      4. 8.2.4 Load Cell Measurement
  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 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 TINA-TI™ Simulation Software (Free Download)
        2. 11.1.1.2 TI Precision Designs
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Related Links
    4. 11.4 Receiving Notification of Documentation Updates
    5. 11.5 Support Resources
    6. 11.6 Trademarks
    7. 11.7 Electrostatic Discharge Caution
    8. 11.8 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

5 Pin Configuration and Functions

GUID-4F640808-BF6E-46F5-98A8-6B3A84397906-low.gifFigure 5-1 OPA388 DBV Package, 5-Pin SOT-23, Top View
GUID-A0DD40A3-6D45-4253-A286-39FA7420C88A-low.gifFigure 5-2 OPA388 D and DGK Packages, 8-Pin SOIC and VSSOP, Top View

 

Pin Functions: OPA388
PINI/ODESCRIPTION
NAMEOPA388
D (SOIC),
DGK (VSSOP)		DBV (SOT-23)
–IN24IInverting input
+IN33INoninverting input
NC1, 5, 8——No internal connection (can be left floating)
OUT61OOutput
V–42—Negative (lowest) power supply
V+75—Positive (highest) power supply
GUID-B2183B63-6859-49EE-AB9F-8284D676351E-low.gifFigure 5-3 OPA2388 8-Pin SOIC (D) Package and 8-Pin VSSOP (DGK) Package, Top View
GUID-D6173F8B-53F4-4526-91E5-8B3D86850146-low.gifFigure 5-4 OPA4388 14-Pin SOIC (D) and TSSOP-14 (PW) Packages, Top View

 

Pin Functions: OPA2388 and OPA4388
PINI/ODESCRIPTION
NAMEOPA2388OPA4388
D (SOIC),
DGK (VSSOP)		D (SOIC),
PW (TSSOP)
–IN A22IInverting input, channel A
–IN B66IInverting input, channel B
–IN C—9IInverting input, channel C
–IN D—13IInverting input, channel D
+IN A33INoninverting input, channel A
+IN B55INoninverting input, channel B
+IN C—10INoninverting input, channel C
+IN D—12INoninverting input, channel D
OUT A11OOutput, channel A
OUT B77OOutput, channel B
OUT C—8OOutput, channel C
OUT D—14OOutput, channel D
V–411—Negative (lowest) power supply
V+84—Positive (highest) power supply