Datasheet OPA4388 (Texas Instruments) - 4

OPA388, OP A2388, OP A4388
SBOS777D – NOVEMBER 2016 – REVISED JULY 2020
www.ti.com 5 Pin Configuration and Functions
NC 1 8 NC OUT 1 5 V+ 2 ±IN ± 7 V+ V 2 ± + ± +IN 3 + 6 OUT +IN 3 4 ±IN V 4 ± 5 NC Not to scale Not to scale
Figure 5-1. OPA388 DBV Package, 5-Pin SOT-23, Figure 5-2. OPA388 D and DGK Packages, 8-Pin Top View SOIC and VSSOP, Top View Pin Functions: OPA388 PIN OPA388 I/O DESCRIPTION NAME D (SOIC), DBV (SOT-23) DGK (VSSOP)
–IN 2 4 I Inverting input +IN 3 3 I Noninverting input NC 1, 5, 8 — — No internal connection (can be left floating) OUT 6 1 O Output V– 4 2 — Negative (lowest) power supply V+ 7 5 — Positive (highest) power supply 4 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: OPA388 OPA2388 OPA4388 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information: OPA388 6.5 Thermal Information: OPA2388 6.6 Thermal Information: OPA4388 6.7 Electrical Characteristics: VS = ±1.25 V to ±2.75 V (VS = 2.5 to 5.5 V) 6.8 Typical Characteristics 7 Detailed Description 7.1 Overview 7.2 Functional Block Diagram 7.3 Feature Description 7.3.1 Operating Voltage 7.3.2 Input Voltage and Zero-Crossover Functionality 7.3.3 Input Differential Voltage 7.3.4 Internal Offset Correction 7.3.5 EMI Susceptibility and Input Filtering 7.4 Device Functional Modes 8 Application and Implementation 8.1 Application Information 8.2 Typical Applications 8.2.1 Bidirectional Current-Sensing 8.2.1.1 Design Requirements 8.2.1.2 Detailed Design Procedure 8.2.1.3 Application Curve 8.2.2 Single Operational Amplifier Bridge Amplifier 8.2.3 Precision, Low-Noise, DAC Buffer 8.2.4 Load Cell Measurement 9 Power Supply Recommendations 10 Layout 10.1 Layout Guidelines 10.2 Layout Example 11 Device and Documentation Support 11.1 Device Support 11.1.1 Development Support 11.1.1.1 TINA-TI™ Simulation Software (Free Download) 11.1.1.2 TI Precision Designs 11.2 Documentation Support 11.2.1 Related Documentation 11.3 Related Links 11.4 Receiving Notification of Documentation Updates 11.5 Support Resources 11.6 Trademarks 11.7 Electrostatic Discharge Caution 11.8 Glossary 12 Mechanical, Packaging, and Orderable Information