Datasheet OPA4383 (Texas Instruments) - 7

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OPA383 , OPA2383 , OPA4383 www.ti.com
SBOSAK7B – DECEMBER 2024 – REVISED JUNE 2025
5.6 Electrical Characteristics
at TA = 25°C, RL = 10kΩ connected to VS / 2, VS = 1.7V to 5.5V, VCM = VS / 2, VOUT = VS / 2, and min and max specification established from manufacturing final test (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE
VS = 5.5V ±0.4 ±5 VOS Input offset voltage(1) µV TA = –40°C to +125°C ±0.5 dVOS/dT Input offset voltage drift TA = –40°C to +125°C(1) ±0.004 ±0.025 μV/°C Power supply rejection ±0.05 ±0.9 PSRR μV/V ratio TA = –40°C to +125°C(1) ±0.9
INPUT BIAS CURRENT
±10 ±62 IB Input bias current(1) TA = –40°C to +85°C ±76 pA TA = –40°C to +125°C ±212 ±20 ±123 IOS Input offset current(1) pA TA = –40°C to +125°C ±300
NOISE
650 nVPP Input voltage noise f = 0.1Hz to 10Hz 100 nVRMS f = 1Hz 32 f = 10Hz 32 eN Input voltage noise density nV/√Hz f = 100Hz 32 f = 1kHz 32 iN Input current noise f = 1kHz 100 fA/√Hz Common-mode voltage VS = 5.5V (V–) – 0.1 (V+) + 0.1 VCM V range VS = 1.7V (V–) – 0.1 (V+)
INPUT VOLTAGE
(V–) – 0.1V < V 122 135 CM < (V+) + 0.1V, V Common-mode rejection S = 5.5V TA = –40°C to +125°C(1) 120 CMRR dB ratio (V–) – 0.1V < V 116 130 CM < (V+), VS = 1.7V(1) TA = –40°C to +125°C 114
INPUT CAPACITANCE
ZID Differential 100 || 6 MΩ || pF ZICM Common-mode 60 || 1.5 GΩ || pF
OPEN-LOOP GAIN
VS = 5.5V 120 145 (V–) + 100mV < VOUT < V (V+) – 100mV S = 1.7V(1) 120 TA = –40°C to +125°C(1) 119 AOL Open-loop voltage gain dB V (V–) + 150mV < V S = 5.5V 119 140 OUT < (V+) – 150mV, VS = 1.7V(1) 119 RL = 2kΩ TA = –40°C to +125°C(1) 118 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 7 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