Datasheet REF3425-EP (Texas Instruments) - 6

REF3425-EP , REF3430-EP , REF3433-EP, REF3440-EP
SBAS942B – DECEMBER 2018 – REVISED APRIL 2019
www.ti.com Electrical Characteristics (continued)
At TA = 25°C unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OUTPUT VOLTAGE
REF3425-EP 2.5 REF3430-EP 3 VREF Output voltage V REF3433-EP 3.3 REF3440-EP 4.096
POWER SUPPLY
VIN Input voltage VREF + VDO 12 V Output current VIN = VREF + VDO to 12 V Sourcing 10 IL mA capacity VIN = VREF + VDO to 12 V Sinking –10 –55°C ≤ TA ≤ 125°C Active mode 72 95 IQ Quiescent current µA –55°C ≤ TA ≤ 125°C Shutdown mode 2.5 3 IL = 0 mA, TA = 25°C 50 VDO Dropout voltage I mV L = 0 mA, –55°C ≤ TA ≤ 125°C 100 IL = 10 mA, –55°C ≤ TA ≤ 125°C 500 ENABLE pin Voltage reference in active mode (EN = 1) 1.6 VEN V voltage Voltage reference in shutdown mode (EN = 0) 0.5 ENABLE pin IEN V leakage current EN = VIN = 12 V, –55°C ≤ TA ≤ 125°C 1 2 µA 6 Submit Documentation Feedback Copyright © 2018–2019, Texas Instruments Incorporated Product Folder Links: REF3425-EP REF3430-EP REF3433-EP REF3440-EP Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Device Comparison Table 6 Pin Configuration and Functions 7 Specifications 7.1 Absolute Maximum Ratings 7.2 ESD Ratings 7.3 Recommended Operating Conditions 7.4 Thermal Information 7.5 Electrical Characteristics 7.6 Typical Characteristics 8 Parameter Measurement Information 8.1 Solder Heat Shift 8.2 Long-Term Stability 8.3 Power Dissipation 8.4 Noise Performance 9 Detailed Description 9.1 Overview 9.2 Functional Block Diagram 9.3 Feature Description 9.3.1 Supply Voltage 9.3.2 Low Temperature Drift 9.3.3 Load Current 9.4 Device Functional Modes 9.4.1  EN Pin 9.4.2 Negative Reference Voltage 10 Application and Implementation 10.1 Application Information 10.2 Typical Application: Basic Voltage Reference Connection 10.2.1 Design Requirements 10.2.2 Detailed Design Procedure 10.2.2.1 Input and Output Capacitors 10.2.2.2 4-Wire Kelvin Connections 10.2.2.3 VIN Slew Rate Considerations 10.2.2.4 Shutdown/Enable Feature 10.2.3 Application Curves 11 Power Supply Recommendations 12 Layout 12.1 Layout Guidelines 12.2 Layout Example 13 Device and Documentation Support 13.1 Documentation Support 13.1.1 Related Documentation 13.2 Related Links 13.3 Receiving Notification of Documentation Updates 13.4 Community Resources 13.5 Trademarks 13.6 Electrostatic Discharge Caution 13.7 Glossary 14 Mechanical, Packaging, and Orderable Information