ZHCSMQ4F November   2020  – February 2022 OPA2387 , OPA387 , OPA4387

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  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: OPA387
    5. 6.5 Thermal Information: OPA2387
    6.     Thermal Information: OPA4387
    7. 6.6 Electrical Characteristics
    8. 6.7 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 Input Bias Current
      2. 7.3.2 EMI Susceptibility and Input Filtering
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Zero-Drift Clocking
    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 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 PSpice® for TI
        2. 11.1.1.2 TINA-TI™ Simulation Software (Free Download)
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 术语表
  12. 12Mechanical, Packaging, and Orderable Information

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5 Pin Configuration and Functions

GUID-9446DFB2-24A0-447B-A4B5-87A0485FF3EC-low.gifFigure 5-1 OPA387: DBV (5-Pin SOT-23) Package, Top View
Table 5-1 Pin Functions: OPA387
PIN TYPE DESCRIPTION
NAME NO.
–IN 4 Input Inverting input
+IN 3 Input Noninverting input
NC — — No internal connection (can be left floating)
OUT 1 Output Output
V– 2 Power Negative (lowest) power supply
V+ 5 Power Positive (highest) power supply
GUID-CD30933B-FDA3-4D18-BF91-4064782A917F-low.gifFigure 5-2 OPA2387: DGK (8-Pin VSSOP) Package, Top View
GUID-34B93F76-4F14-469D-B95C-CE4FD1641A35-low.gifFigure 5-3 OPA2387: DSG (8-Pin WSON With Exposed Thermal Pad) Package, Top View
Table 5-2 Pin Functions: OPA2387
PIN TYPE DESCRIPTION
NAME NO.
DGK (VSSOP) DSG (WSON)
–IN A 2 2 Input Inverting input, channel A
–IN B 6 6 Input Inverting input, channel B
+IN A 3 3 Input Noninverting input, channel A
+IN B 5 5 Input Noninverting input, channel B
OUT A 1 1 Output Output, channel A
OUT B 7 7 Output Output, channel B
V– 4 4 Power Negative (lowest) power supply
V+ 8 8 Power Positive (highest) power supply
Thermal Pad — Thermal pad — Connect thermal pad to V–
GUID-E4345B66-106B-4662-8A41-57CE2F2BD88F-low.gifFigure 5-4 OPA4387: PW (14-Pin TSSOP) Package, Top View
Table 5-3 Pin Functions: OPA4387
PIN TYPE DESCRIPTION
NAME NO.
–IN A 2 Input Inverting input, channel A
–IN B 6 Input Inverting input, channel B
–IN C 9 Input Inverting input, channel C
–IN D 13 Input Inverting input, channel D
+IN A 3 Input Noninverting input, channel A
+IN B 5 Input Noninverting input, channel B
+IN C 10 Input Noninverting input, channel C
+IN D 12 Input Noninverting input, channel D
OUT A 1 Output Output, channel A
OUT B 7 Output Output, channel B
OUT C 8 Output Output, channel C
OUT D 14 Output Output, channel D
V– 11 Power Negative (lowest) power supply
V+ 4 Power Positive (highest) power supply