Datasheet TLA432 (Texas Instruments) - 7

TLA431, TLA432 www.ti.com
SNVSCR4A – JULY 2024 – REVISED OCTOBER 2024 75 200 IKA = 10 mA Gain TA = 25°C Phase 60 160 plification - dB Output m 45 120 IKA egrees 15 kΩ 232 Ω 30 80 9 µF hase - D + ignal Voltage A P al-S 15 40 − m 8.25 kΩ - S A V 0 0 GND 100 1k 10k 100k 1M 10M f - Frequency - Hz Gain
Figure 6-6. Test Circuit for Voltage Amplification Figure 6-5. Small-Signal Voltage Amplification vs Frequency
100 1 kΩ IKA = 10 mA Output TA = 25°C Ω − IKA 10 50 Ω − + Reference Impedance GND − 1 | KA|z
Figure 6-8. Test Circuit for Reference Impedance
0.1 1 k 10 k 100 k 1 M 10 M f − Frequency − Hz
Figure 6-7. Reference Impedance vs Frequency
6 220 Ω TA = 25°C Output Input 5 V − Pulse 4 Generator 50 Ω oltage f = 100 kHz 3 Output GND 2 Input and Output V 1
Figure 6-10. Test Circuit for Pulse Response
0 −1 0 1 2 3 4 5 6 7 t − Time − µs
Figure 6-9. Pulse Response
Copyright © 2024 Texas Instruments Incorporated Submit Document Feedback 7 Product Folder Links: TLA431 TLA432 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Device Comparison Table 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information 6.5 Electrical Characteristics 6.6 Typical Characteristics 7 Parameter Measurement Information 7.1 Temperature Coefficient 7.2 Dynamic Impedance 8 Detailed Description 8.1 Overview 8.2 Functional Block Diagram 8.3 Feature Description 8.4 Device Functional Modes 8.4.1 Closed Loop 8.4.1.1 Stability (Closed Loop) 8.4.2 Open Loop (Comparator) 9 Applications and Implementation 9.1 Application Information 9.2 Typical Applications 9.2.1 Shunt Regulator/Reference 9.2.1.1 Design Requirements 9.2.1.2 Detailed Design Procedure 9.2.1.2.1 Programming Output/Cathode Voltage 9.2.1.2.2 Total Accuracy 9.2.1.2.3 Start-Up Time 9.2.1.3 Application Curve 9.2.2 Comparator With Integrated Reference 9.2.2.1 Design Requirements 9.2.2.2 Detailed Design Procedure 9.2.2.2.1 Basic Operation 9.2.2.2.1.1 Overdrive 9.2.2.2.2 Output Voltage and Logic Input Level 9.2.2.2.2.1 Input Resistance 9.2.2.3 Application Curve 9.3 System Examples 9.4 Power Supply Recommendations 9.5 Layout 9.5.1 Layout Guidelines 9.5.2 Layout Example 10 Device and Documentation Support 10.1 Device Nomenclature 10.2 Related Links 10.3 Receiving Notification of Documentation Updates 10.4 Support Resources 10.5 Trademarks 10.6 Electrostatic Discharge Caution 10.7 Glossary 11 Revision History 12 Mechanical, Packaging, and Orderable Information