Datasheet REF3430 (Texas Instruments) - 3
| 制造商 | Texas Instruments |
| 描述 | 3-V, low-drift, low-power, small-footprint series voltage reference |
| 页数 / 页 | 31 / 3 — REF3425, REF3430, REF3433, REF3440. , REF3450. www.ti.com. Changes from … |
| 文件格式/大小 | PDF / 2.5 Mb |
| 文件语言 | 英语 |
REF3425, REF3430, REF3433, REF3440. , REF3450. www.ti.com. Changes from Revision A (December 2017) to Revision B (March 2018)
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文件文字版本
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REF3425, REF3430, REF3433, REF3440 , REF3450 www.ti.com
SBAS804F – SEPTEMBER 2017 – REVISED JUNE 2021 • Added Configuration Information to "Electrical Characteristics”... 6 • Changed ABS MAX IN MIN to "-0.3V"..6 • Added REF34xxT to "Layout Guidelines" and "Layout Example"...22
Changes from Revision A (December 2017) to Revision B (March 2018) Page
• Added 2 new GPNS: REF3440 and REF3450 .. 1 • Changed "Excellent Long-Term Stability 30 ppm/1000 hrs" to "Excellent Long-Term Stability 25 ppm/1000 hrs" in Section 1 ...1 • Changed "...typical drift value for the REF34xx is 30 ppm from 0 to 1000 hours" to "...typical drift value for the REF34xx is 25 ppm from 0 to 1000 hours" and changed Figure 8-3 in Section 8.2 .. 14 • Changed "(as shown in Figure 26)" to " as shown in Figure 9-1 in last paragraph of Section 10.2.2.2 ...20
Changes from Revision * (September 2017) to Revision A (December 2017) Page
• Added production release of 2 new output voltage option devices, REF3430 and REF3433.. 1 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: REF3425 REF3430 REF3433 REF3440 REF3450 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 Thermal Hysteresis 8.4 Power Dissipation 8.5 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 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
REF3425, REF3430, REF3433, REF3440 , REF3450 www.ti.com
SBAS804F – SEPTEMBER 2017 – REVISED JUNE 2021 • Added Configuration Information to "Electrical Characteristics”... 6 • Changed ABS MAX IN MIN to "-0.3V"..6 • Added REF34xxT to "Layout Guidelines" and "Layout Example"...22
Changes from Revision A (December 2017) to Revision B (March 2018) Page
• Added 2 new GPNS: REF3440 and REF3450 .. 1 • Changed "Excellent Long-Term Stability 30 ppm/1000 hrs" to "Excellent Long-Term Stability 25 ppm/1000 hrs" in Section 1 ...1 • Changed "...typical drift value for the REF34xx is 30 ppm from 0 to 1000 hours" to "...typical drift value for the REF34xx is 25 ppm from 0 to 1000 hours" and changed Figure 8-3 in Section 8.2 .. 14 • Changed "(as shown in Figure 26)" to " as shown in Figure 9-1 in last paragraph of Section 10.2.2.2 ...20
Changes from Revision * (September 2017) to Revision A (December 2017) Page
• Added production release of 2 new output voltage option devices, REF3430 and REF3433.. 1 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: REF3425 REF3430 REF3433 REF3440 REF3450 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 Thermal Hysteresis 8.4 Power Dissipation 8.5 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 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