Datasheet OPA4383 (Texas Instruments) - 3

OPA383 , OPA2383 , OPA4383 www.ti.com
SBOSAK7B – DECEMBER 2024 – REVISED JUNE 2025
4 Pin Configuration and Functions
+IN 1 5 V+ OUT 1 5 V+ + V 2 ± V 2 ± ± + ± 3 ±IN 4 OUT +IN 3 4 ±IN Not to scale Not to scale
Figure 4-2. OPA383: DCK (Preview) Package, 5-Pin Figure 4-1. OPA383: DBV (Preview) Package, 5-Pin SC70 (Top View) SOT-23 (Top View) Table 4-1. Pin Functions: OPA383 PIN NO. TYPE DESCRIPTION NAME DBV (SOT-23) DCK (SC70)
–IN 4 3 Input Inverting input +IN 3 1 Input Noninverting input OUT 1 4 Output Output V– 2 2 Power Negative (lowest) power supply V+ 5 5 Power Positive (highest) power supply OUT A 1 8 V+ 2 ±IN A 7 OUT B +IN A 3 6 ±IN B V 4 ± 5 +IN B Not to scale
Figure 4-3. OPA2383: DDF (Preview) Package, 8-Pin SOT-23, and DGK Package, 8-Pin VSSOP (Top View) Table 4-2. Pin Functions: OPA2383 PIN NO. TYPE DESCRIPTION NAME DDF (SOT-23) DGK (VSSOP)
–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 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: OPA383 OPA2383 OPA4383 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Pin Configuration and Functions 5 Specifications 5.1 Absolute Maximum Ratings 5.2 ESD Ratings 5.3 Recommended Operating Conditions 5.4 Thermal Information OPA383 5.5 Thermal Information OPA2383 5.6 Electrical Characteristics 5.7 Typical Characteristics 6 Detailed Description 6.1 Overview 6.2 Functional Block Diagram 6.3 Feature Description 6.3.1 Input Bias Current 6.3.2 EMI Susceptibility and Input Filtering 6.4 Device Functional Modes 7 Application and Implementation 7.1 Application Information 7.1.1 Zero-Drift Clocking 7.2 Typical Applications 7.2.1 Bidirectional Current Sensing 7.2.1.1 Design Requirements 7.2.1.2 Detailed Design Procedure 7.2.1.3 Application Curve 7.2.2 Bridge Sensor Measurement 7.3 Power Supply Recommendations 7.4 Layout 7.4.1 Layout Guidelines 7.4.2 Layout Example 8 Device and Documentation Support 8.1 Device Support 8.1.1 Development Support 8.1.1.1 PSpice® for TI 8.1.1.2 TINA-TI™ Simulation Software (Free Download) 8.2 Receiving Notification of Documentation Updates 8.3 Support Resources 8.4 Trademarks 8.5 Electrostatic Discharge Caution 8.6 Glossary 9 Revision History 10 Mechanical, Packaging, and Orderable Information