Datasheet REF34-Q1 (Texas Instruments) - 9
| Manufacturer | Texas Instruments |
| Description | Automotive, low-drift, low-power, small-footprint series voltage reference |
| Pages / Page | 39 / 9 — REF34-Q1. www.ti.com. 8 Typical Characteristics (continued). Figure 8-13. … |
| File Format / Size | PDF / 4.5 Mb |
| Document Language | English |
REF34-Q1. www.ti.com. 8 Typical Characteristics (continued). Figure 8-13. Load Transient. Figure 8-14. Line Transient
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Text Version of Document
REF34-Q1 www.ti.com
SBAS901C – JULY 2018 – REVISED OCTOBER 2020
8 Typical Characteristics (continued)
at TA = 25°C, VIN = VEN = 12 V, IL = 0 mA, CL = 10 µF, CIN = 0.1 µF (unless otherwise noted) ILOAD -10mA +10mA 10mA/div VIN +10mA 4V/div VOUT VOUT 20mV/div 15mV/div 250µs/div 250µs/div (CL = 10µF, IOUT = 10mA) D010 (CL = 1µF) D011
Figure 8-13. Load Transient Figure 8-14. Line Transient
2.6 2.5 A) VIN ff (µ 2.4 O 4V/div t urren 2.3 VOUT C 5mV/div ent c 2.2 es Qui 2.1 250µs/div 2 -40 -15 10 35 60 85 110 125 (CL = 10µF) D011 Temperature (°C) D013
Figure 8-15. Line Transient Figure 8-16. Quiescent Current Shutdown Mode
30% 30% 25% 25% ) 20% ) 20% (% (% n n io 15% io 15% opulat opulat P 10% P 10% 5% 5% 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -8 -6 -4 -2 2 4 6 8 -4 -3 -2 -1 1 2 3 4 Thermal Hysteresis - Cycle 1 (ppm) D016 Thermal Hysteresis - Cycle 2 (ppm) D016
Figure 8-17. Thermal Hysteresis Distribution (Cycle 1) - DBV Figure 8-18. Thermal Hysteresis Distribution (Cycle 2) - DBV Package Package
Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 9 Product Folder Links: REF34-Q1 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Device Comparison Table 6 Pin Configuration and Functions 6.1 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 8 Typical Characteristics 9 Parameter Measurement Information 9.1 Solder Heat Shift 9.2 Long-Term Stability 9.3 Thermal Hysteresis 9.4 Power Dissipation 9.5 Noise Performance 10 Detailed Description 10.1 Overview 10.2 Functional Block Diagram 10.3 Feature Description 10.3.1 Supply Voltage 10.3.2 Low Temperature Drift 10.3.3 Load Current 10.4 Device Functional Modes 10.4.1 EN Pin 11 Application and Implementation 11.1 Application Information 11.2 Typical Applications 11.2.1 Basic Voltage Reference Connection 11.2.1.1 Design Requirements 11.2.1.2 Detailed Design Procedure 11.2.1.2.1 Input and Output Capacitors 11.2.1.2.2 4-Wire Kelvin Connections 11.2.1.2.3 VIN Slew Rate Considerations 11.2.1.2.4 Shutdown/Enable Feature 11.2.1.3 Application Curves 11.2.2 Advanced Driver Assistance Systems (ADAS) Microcontroller Connection 11.2.2.1 Basic Voltage Reference Connection 11.2.2.2 Design Requirements 11.2.2.3 Detailed Design Procedure 11.2.2.4 Enable Feature in ADAS 12 Power Supply Recommendations 13 Layout 13.1 Layout Guidelines 13.2 Layout Example 14 Device and Documentation Support 14.1 Documentation Support 14.1.1 Related Documentation 14.2 Receiving Notification of Documentation Updates 14.3 Support Resources 14.4 Trademarks 14.5 Electrostatic Discharge Caution 14.6 Glossary 15 Mechanical, Packaging, and Orderable Information
SBAS901C – JULY 2018 – REVISED OCTOBER 2020
8 Typical Characteristics (continued)
at TA = 25°C, VIN = VEN = 12 V, IL = 0 mA, CL = 10 µF, CIN = 0.1 µF (unless otherwise noted) ILOAD -10mA +10mA 10mA/div VIN +10mA 4V/div VOUT VOUT 20mV/div 15mV/div 250µs/div 250µs/div (CL = 10µF, IOUT = 10mA) D010 (CL = 1µF) D011
Figure 8-13. Load Transient Figure 8-14. Line Transient
2.6 2.5 A) VIN ff (µ 2.4 O 4V/div t urren 2.3 VOUT C 5mV/div ent c 2.2 es Qui 2.1 250µs/div 2 -40 -15 10 35 60 85 110 125 (CL = 10µF) D011 Temperature (°C) D013
Figure 8-15. Line Transient Figure 8-16. Quiescent Current Shutdown Mode
30% 30% 25% 25% ) 20% ) 20% (% (% n n io 15% io 15% opulat opulat P 10% P 10% 5% 5% 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -8 -6 -4 -2 2 4 6 8 -4 -3 -2 -1 1 2 3 4 Thermal Hysteresis - Cycle 1 (ppm) D016 Thermal Hysteresis - Cycle 2 (ppm) D016
Figure 8-17. Thermal Hysteresis Distribution (Cycle 1) - DBV Figure 8-18. Thermal Hysteresis Distribution (Cycle 2) - DBV Package Package
Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 9 Product Folder Links: REF34-Q1 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Device Comparison Table 6 Pin Configuration and Functions 6.1 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 8 Typical Characteristics 9 Parameter Measurement Information 9.1 Solder Heat Shift 9.2 Long-Term Stability 9.3 Thermal Hysteresis 9.4 Power Dissipation 9.5 Noise Performance 10 Detailed Description 10.1 Overview 10.2 Functional Block Diagram 10.3 Feature Description 10.3.1 Supply Voltage 10.3.2 Low Temperature Drift 10.3.3 Load Current 10.4 Device Functional Modes 10.4.1 EN Pin 11 Application and Implementation 11.1 Application Information 11.2 Typical Applications 11.2.1 Basic Voltage Reference Connection 11.2.1.1 Design Requirements 11.2.1.2 Detailed Design Procedure 11.2.1.2.1 Input and Output Capacitors 11.2.1.2.2 4-Wire Kelvin Connections 11.2.1.2.3 VIN Slew Rate Considerations 11.2.1.2.4 Shutdown/Enable Feature 11.2.1.3 Application Curves 11.2.2 Advanced Driver Assistance Systems (ADAS) Microcontroller Connection 11.2.2.1 Basic Voltage Reference Connection 11.2.2.2 Design Requirements 11.2.2.3 Detailed Design Procedure 11.2.2.4 Enable Feature in ADAS 12 Power Supply Recommendations 13 Layout 13.1 Layout Guidelines 13.2 Layout Example 14 Device and Documentation Support 14.1 Documentation Support 14.1.1 Related Documentation 14.2 Receiving Notification of Documentation Updates 14.3 Support Resources 14.4 Trademarks 14.5 Electrostatic Discharge Caution 14.6 Glossary 15 Mechanical, Packaging, and Orderable Information
