Datasheet REF2025, REF2030, REF2033, REF2041 (Texas Instruments) - 8
| 制造商 | Texas Instruments |
| 描述 | Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References |
| 页数 / 页 | 35 / 8 — REF2025. , REF2030, REF2033, REF2041. www.ti.com. 7.6 Typical … |
| 文件格式/大小 | PDF / 3.9 Mb |
| 文件语言 | 英语 |
REF2025. , REF2030, REF2033, REF2041. www.ti.com. 7.6 Typical Characteristics (continued)
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REF2025 , REF2030, REF2033, REF2041
SBOS600E – JULY 2018 – REVISED FEBRUARY 2022
www.ti.com 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. 1.2503 12 ) -40°C A /m 11 m 1.2501 p 10 (p g in ) 1.2499 rc 9 u (V o S S 8 IA n BV 1.2497 tio la 7 u g 25°C e 6 1.2495 125°C R d a o 5 - L F 1.2493 E 4 R ±20 ±15 ±10 ±5 0 5 10 15 20 V ±75 ±50 ±25 0 25 50 75 100 125 150 Load Current (mA) Temperature (ƒC) C039 C025 VBIAS output VREF output IL = 20 mA
Figure 7-13. Output Voltage Change vs Load Current (VBIAS) Figure 7-14. Load Regulation Sourcing vs Temperature (VREF)
12 ) 12 ) A A /m 11 /m 11 m m p p 10 (p 10 g (p in g in rc 9 k 9 u o in S 8 S n 8 n tio tio la 7 la 7 u u g g e e 6 R 6 R d d a a o o 5 L 5 - - L S F E IA 4 R 4 BV V ±75 ±50 ±25 0 25 50 75 100 125 150 ±75 ±50 ±25 0 25 50 75 100 125 150 Temperature (ƒC) C020 Temperature (ƒC) C021 VBIAS output IL = 20 mA VREF output IL = –20 mA
Figure 7-15. Load Regulation Sourcing vs Temperature (VBIAS) Figure 7-16. Load Regulation Sinking vs Temperature (VREF)
12 ) 5 A /m 11 ) m 4.5 p /V 10 m (p p g in (p 4 k 9 n in tio S la n 8 u 3.5 tio g e la u 7 R g e e 3 in R 6 L d F a E o RV 2.5 5 - L SIAB 4 2 V ±75 ±50 ±25 0 25 50 75 100 125 150 ±75 ±50 ±25 0 25 50 75 100 125 150 Temperature (ƒC) C022 Temperature (ƒC) C019 VBIAS output IL = –20 mA VREF output
Figure 7-17. Load Regulation Sinking vs Temperature (VBIAS) Figure 7-18. Line Regulation vs Temperature (VREF)
8 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated 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
SBOS600E – JULY 2018 – REVISED FEBRUARY 2022
www.ti.com 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. 1.2503 12 ) -40°C A /m 11 m 1.2501 p 10 (p g in ) 1.2499 rc 9 u (V o S S 8 IA n BV 1.2497 tio la 7 u g 25°C e 6 1.2495 125°C R d a o 5 - L F 1.2493 E 4 R ±20 ±15 ±10 ±5 0 5 10 15 20 V ±75 ±50 ±25 0 25 50 75 100 125 150 Load Current (mA) Temperature (ƒC) C039 C025 VBIAS output VREF output IL = 20 mA
Figure 7-13. Output Voltage Change vs Load Current (VBIAS) Figure 7-14. Load Regulation Sourcing vs Temperature (VREF)
12 ) 12 ) A A /m 11 /m 11 m m p p 10 (p 10 g (p in g in rc 9 k 9 u o in S 8 S n 8 n tio tio la 7 la 7 u u g g e e 6 R 6 R d d a a o o 5 L 5 - - L S F E IA 4 R 4 BV V ±75 ±50 ±25 0 25 50 75 100 125 150 ±75 ±50 ±25 0 25 50 75 100 125 150 Temperature (ƒC) C020 Temperature (ƒC) C021 VBIAS output IL = 20 mA VREF output IL = –20 mA
Figure 7-15. Load Regulation Sourcing vs Temperature (VBIAS) Figure 7-16. Load Regulation Sinking vs Temperature (VREF)
12 ) 5 A /m 11 ) m 4.5 p /V 10 m (p p g in (p 4 k 9 n in tio S la n 8 u 3.5 tio g e la u 7 R g e e 3 in R 6 L d F a E o RV 2.5 5 - L SIAB 4 2 V ±75 ±50 ±25 0 25 50 75 100 125 150 ±75 ±50 ±25 0 25 50 75 100 125 150 Temperature (ƒC) C022 Temperature (ƒC) C019 VBIAS output IL = –20 mA VREF output
Figure 7-17. Load Regulation Sinking vs Temperature (VBIAS) Figure 7-18. Line Regulation vs Temperature (VREF)
8 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated 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