Datasheet OPA1692 (Texas Instruments) - 10

OPA1692
SBOS566A – JUNE 2017 – REVISED DECEMBER 2017
www.ti.com Typical Characteristics (continued)
at TA = 25°C, VS = ±18 V, and RL = 2 kΩ (unless otherwise noted) 20 1000 VS = ±15 V 18 VS = ±5 V 16 VS = ±1.75 V ) p 14 (O (V 100 ce e 12 n d a d litu 10 e p p m Im A 8 t t u u 10 tp tp 6 Ou Ou 4 2 0 1 10k 100k 1M 10M 1 10 100 1k 10k 100k 1M 10M Frequency (Hz) Frequency (Hz) C001 C001
Figure 13. Maximum Output Voltage vs Frequency Figure 14. Open-Loop Output Impedance vs Frequency
60 90 RISO = 0 : 50 80 RISO = 25 : RISO = 50 : 40 70 (q) n 30 rgi t ( 60 20 Ma se 50 a h 10 Overshoo P 40 0 -10 30 -20 20 10 100 1000 20 100 1000 2000 Capacitive Load (pF) Capactiance (pF) G = 1 G = 1 10-mV input step
Figure 15. Phase Margin vs Capacitive Load Figure 16. Overshoot vs Capacitive Load
60 -100 RISO = 0 : G = 1 55 RISO = 25 : (dB) G = 1 RISO = 50 : 50 se oi -110 N ) 45 t ( 40 tion or -120 35 Dist Overshoo 30 rmonic -130 25 Ha al 20 ot T 15 -140 20 100 1000 2000 100 1k 10k Capactiance (pF) Frequency (Hz) G = –1 10-mV input step VOUT = 3 VRMS 80-kHz bandwidth
Figure 17. Overshoot vs Capacitive Load Figure 18. THD + N Ratio vs Frequency
10 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Product Folder Links: OPA1692 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 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: OPA1692 6.5 Electrical Characteristics 6.6 Typical Characteristics 7 Detailed Description 7.1 Overview 7.2 Functional Block Diagram 7.3 Feature Description 7.3.1 Distortion Reduction 7.3.2 Phase Reversal Protection 7.3.3 Electrical Overstress 7.4 Device Functional Modes 7.4.1 Operating Voltage 8 Application and Implementation 8.1 Application Information 8.1.1 Capacitive Loads 8.1.2 Noise Performance 8.1.3 Basic Noise Calculations 8.1.4 EMI Rejection 8.1.5 EMIRR +IN Test Configuration 8.2 Typical Application 8.2.1 Design Requirements 8.2.2 Detailed Design Procedure 8.2.3 Application Curves 8.3 Other Application Examples 8.3.1 Two-Wire Electret Microphone Preamplifier 8.3.2 Battery-Powered Preamplifier for Professional Microphones 9 Power Supply Recommendations 10 Layout 10.1 Layout Guidelines 10.2 Layout Example 10.3 Power Dissipation 11 Device and Documentation Support 11.1 Device Support 11.1.1 Development Support 11.1.1.1 TINA-TI™ (Free Software Download) 11.1.1.2 DIP Adapter EVM 11.1.1.3 Universal Operational Amplifier EVM 11.1.1.4 Smart Amplifier Speaker Characterization Board Evaluation Module 11.1.1.5 TI Precision Designs 11.1.1.6 WEBENCH Filter Designer 11.2 Documentation Support 11.2.1 Related Documentation 11.3 Related Links 11.4 Receiving Notification of Documentation Updates 11.5 Community Resource 11.6 Trademarks 11.7 Electrostatic Discharge Caution 11.8 Glossary 12 Mechanical, Packaging, and Orderable Information