Datasheet OPA4383 (Texas Instruments) - 10

OPA383, OP A2383, OP A4383
SBOSAK7B – DECEMBER 2024 – REVISED JUNE 2025
www.ti.com 5.7 Typical Characteristics (continued)
at TA = 25°C, VS = ±2.75V, VCM = VS / 2, RLOAD = 10kΩ connected to VS / 2, and CL = 50pF (unless otherwise noted) 2 180 180 Gain 1.6 160 165 Phase 1.2 140 150 ) 0.8 120 135 0.4 ) P 100 120 has 0 80 105 e ain (dB ( -0.4 G ) 60 90 ffset Voltage (V O -0.8 40 75 -1.2 20 60 -1.6 0 45 -2 -20 30 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 3.25 10m 100m 1 10 100 1k 10k 100k 1M 10M Supply Voltage (V) Frequency (Hz) 10 measured units
Figure 5-7. Offset Voltage vs Supply Voltage Figure 5-8. Open-Loop Gain and Phase vs Frequency
1 40 V 0.8 S = 1.7V Ch A VS = 1.7V Ch B V ) 0.6 S = 5.5V Ch A V /V S = 5.5V Ch B 20 0.4 0.2 ) ain (V 0 0 ain (dB -0.2 G pen-Loop G -0.4 O -20 -0.6 G = −1 -0.8 G = +1 G = +10 -1 -40 -40 -20 0 20 40 60 80 100 120 140 100 1k 10k 100k 1M 10M Te mperature (C) Frequency (Hz)
Figure 5-9. Open-Loop Gain vs Temperature Figure 5-10. Closed-Loop Gain vs Frequency
50 300 IB IB 40 N N IBP 250 IBP IBOS IBOS ) 30 ) 200 20 10 150 urrent (pA urrent (pA 0 100 ias C -10 ias C 50 -20 Input B Input B 0 -30 -40 -50 -50 -100 -3 -2 -1 0 1 2 3 -50 -25 0 25 50 75 100 125 150 Common-Mode Voltage (V) Te mperature (C)
Figure 5-11. Input Bias Current vs Common-Mode Voltage Figure 5-12. Input Bias Current vs Temperature
10 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated 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