Datasheet REF34-Q1 (Texas Instruments) - 3

link to page 3 link to page 25
REF34-Q1 www.ti.com
SBAS901C – JULY 2018 – REVISED OCTOBER 2020
5 Device Comparison Table PRODUCT(1) VOUT
REF3425-Q1 REF3425S-Q1 2.5 V REF3430-Q1 REF3430S-Q1 3.0 V REF3433-Q1 REF3433S-Q1 3.3 V REF3440-Q1 REF3440S-Q1 4.096 V REF3450-Q1 REF3450S-Q1 5.0 V (1) For full orderable part number please refer to Section 15.
6 Pin Configuration and Functions
GND_F 1 6 OUT_F NC 1 5 NIC GND_S 2 5 OUT_S GND 2 EN 3 4 IN IN 3 4 OUT Not to scale Not to scale
Figure 6-1. DBV Package 6-Pin SOT-23 (Top View) Figure 6-2. DBV Package 5-Pin SOT-23 (Top View)
ENABLE 1 8 IN GND_S 2 7 OUT_S GND_F 3 6 OUT_F NIC 4 5 NIC Not to scale
Figure 6-3. DGK Package 8-Pin VSSOP (Top View) 6.1 Pin Functions PIN TYPE DESCRIPTION REF34xx-Q1 REF34xxS-Q1 REF34xx- NAME (DBV) (DBV) Q1 (DGK)
GND_F 1 - 3 Ground Ground force connection GND_S 2 - 2 Ground Ground sense connection GND - 2 - Ground Ground connection ENABLE 3 - 1 Input Enable connection. Enables or disables the device. IN 4 3 8 Power Input supply voltage connection OUT_S 5 - 7 Output Reference voltage output sense connection OUT_F 6 - 6 Output Reference voltage output force connection OUT - 4 - Output Reference voltage output connection NC - 1 - - Test pin, connect from 0V to 18V NIC - 5 4,5 - No internal connection Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 3 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 V​IN 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