Datasheet REF2025, REF2030, REF2033, REF2041 (Texas Instruments) - 7

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REF2025, REF2030, REF2033 , REF2041 www.ti.com
SBOS600E – JULY 2018 – REVISED FEBRUARY 2022
7.6 Typical Characteristics (continued)
At TA = 25°C, IL = 0 mA, VIN = 5-V power supply, CL = 0 µF, and 2.5-V output, unless otherwise noted. 60 50 50 40 40 (%) (%) 30 n n tio 30 tio la la u u p p o 20 o P 20 P 10 10 0 0 0 1 2 3 4 5 6 7 -0.0125 -0.01 -0.0075 -0.005 -0.0025 0 0.0025 VREF and VBIAS Tracking Over Temperature (ppm/ƒC) Solder Heat Shift Histogram - V (%) REF C017 C041 –40°C ≤ TA ≤ 125°C Refer to the Section 8.1 section for more information.
Figure 7-7. Distribution of VREF – 2 × VBIAS Drift Tracking Over Figure 7-8. Solder Heat Shift Distribution (VREF) Temperature
60 0.05 0.04 50 0.03 (%) y V c 0.02 BIAS 40 ra u (%) c 0.01 n c tio A 30 e 0 la g u p lta o -0.01 o P 20 t V -0.02 u tp VREF u -0.03 10 O -0.04 0 -0.05 -0.0125 -0.01 -0.0075 -0.005 -0.0025 0 0.0025 ±75 ±50 ±25 0 25 50 75 100 125 150 Solder Heat Shift Histogram - VBIAS (%) Temperature (ƒC) C001 C040
Figure 7-10. Output Voltage Accuracy (VREF) vs Temperature
Refer to the Section 8.1 section for more information.
Figure 7-9. Solder Heat Shift Distribution (VBIAS)
1000 2.5005 750 2.5000 -40°C ) 500 m p (p 250 S ) 2.4995 IA 25°C B (V 0 V F E x RV 2.4990 - 2 ±250 F E RV ±500 125°C 2.4985 ±750 ±1000 2.4980 ±75 ±50 ±25 0 25 50 75 100 125 150 ±20 ±15 ±10 ±5 0 5 10 15 20 Temperature (ƒC) Load Current (mA) C003 C038
Figure 7-11. VREF – 2 × VBIAS Tracking vs Temperature
VREF output
Figure 7-12. Output Voltage Change vs Load Current (VREF)
Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 7 Product Folder Links: REF2025 REF2030 REF2033 REF2041 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Device Comparison Table 6 Pin Configuration and Functions Pin 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 Thermal Hysteresis 8.4 Noise Performance 9 Detailed Description 9.1 Overview 9.2 Functional Block Diagram 9.3 Feature Description 9.3.1 VREF and VBIAS Tracking 9.3.2 Low Temperature Drift 9.3.3 Load Current 9.4 Device Functional Modes 10 Applications and Implementation 10.1 Application Information 10.2 Typical Application 10.2.1 Low-Side, Current-Sensing Application 10.2.1.1 Design Requirements 10.2.1.2 Detailed Design Procedure 10.2.1.2.1 Shunt Resistor 10.2.1.2.2 Differential Amplifier 10.2.1.2.3 Voltage Reference 10.2.1.2.4 Results 10.2.1.3 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 Receiving Notification of Documentation Updates 13.3 Support Resources 13.4 Trademarks 13.5 Electrostatic Discharge Caution 13.6 Glossary 14 Mechanical, Packaging, and Orderable Information