Datasheet OPA1692 (Texas Instruments) - 9
| 制造商 | Texas Instruments |
| 描述 | OPA169x Low-Power, Low-Noise and Low-Distortion SoundPlus Audio Operational Amplifiers |
| 页数 / 页 | 41 / 9 — OPA1692. www.ti.com. Typical Characteristics (continued). Figure 7. … |
| 文件格式/大小 | PDF / 1.6 Mb |
| 文件语言 | 英语 |
OPA1692. www.ti.com. Typical Characteristics (continued). Figure 7. Open-Loop Gain and Phase vs Frequency
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OPA1692 www.ti.com
SBOS566A – JUNE 2017 – REVISED DECEMBER 2017
Typical Characteristics (continued)
at TA = 25°C, VS = ±18 V, and RL = 2 kΩ (unless otherwise noted) 150 200 30 Gain G = 1 Phase G = 1 120 160 20 G = 11 90 120 ) Ph ) 10 B a se ( 60 80 (dB in (d n a q G ) Gai 0 30 40 -10 0 0 -30 -40 -20 100m 1 10 100 1k 10k 100k 1M 10M 100 1k 10k 100k 1M 10M Frequency (Hz) Frequency (Hz)
Figure 7. Open-Loop Gain and Phase vs Frequency Figure 8. Closed-Loop Gain vs Frequency
160 100 10 PSRR ] Input Voltage Noise ] 140 PSRR ¥+ Input Current Noise ¥+ CMRR Q9 S$ ) 120 W\ W\ (dB 100 HQVL HQVL tio Ra 80 UDO' 10 1 UDO' n ctio SHFW SHFW e 60 6 6 ej R 40 RLVH RLVH 1 1 20 ROWDJH XUUHQW 9 1 0.1 0 & 1 10 100 1k 10k 100k 1M 10M 1 10 100 1k 10k 100k 1M 10M Frequency (Hz) Frequency (Hz) C001
Figure 9. CMRR and PSRR vs Frequency (Referred to Input) Figure 10. Input Voltage Noise Spectral Density
1000 ] Voltage Noise Contribution v) ¥+ Source Resistor Noise Contribution Q9 Current Noise Contribution 0 nV/di 100 5 W\ Total Noise e ( is HQVL o e N UDO' 10 ltag o SHFW 6 V red RLVH 1 er 1 ef R t ROWDJH Inpu 9 0.1 10 100 1k 10k 100k 1M Time (1 s/div) Source Resistance (O) C001
Figure 12. 0.1-Hz to 10-Hz Voltage Noise Figure 11. Voltage Noise vs Source Resistance
Copyright © 2017, Texas Instruments Incorporated Submit Documentation Feedback 9 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
SBOS566A – JUNE 2017 – REVISED DECEMBER 2017
Typical Characteristics (continued)
at TA = 25°C, VS = ±18 V, and RL = 2 kΩ (unless otherwise noted) 150 200 30 Gain G = 1 Phase G = 1 120 160 20 G = 11 90 120 ) Ph ) 10 B a se ( 60 80 (dB in (d n a q G ) Gai 0 30 40 -10 0 0 -30 -40 -20 100m 1 10 100 1k 10k 100k 1M 10M 100 1k 10k 100k 1M 10M Frequency (Hz) Frequency (Hz)
Figure 7. Open-Loop Gain and Phase vs Frequency Figure 8. Closed-Loop Gain vs Frequency
160 100 10 PSRR ] Input Voltage Noise ] 140 PSRR ¥+ Input Current Noise ¥+ CMRR Q9 S$ ) 120 W\ W\ (dB 100 HQVL HQVL tio Ra 80 UDO' 10 1 UDO' n ctio SHFW SHFW e 60 6 6 ej R 40 RLVH RLVH 1 1 20 ROWDJH XUUHQW 9 1 0.1 0 & 1 10 100 1k 10k 100k 1M 10M 1 10 100 1k 10k 100k 1M 10M Frequency (Hz) Frequency (Hz) C001
Figure 9. CMRR and PSRR vs Frequency (Referred to Input) Figure 10. Input Voltage Noise Spectral Density
1000 ] Voltage Noise Contribution v) ¥+ Source Resistor Noise Contribution Q9 Current Noise Contribution 0 nV/di 100 5 W\ Total Noise e ( is HQVL o e N UDO' 10 ltag o SHFW 6 V red RLVH 1 er 1 ef R t ROWDJH Inpu 9 0.1 10 100 1k 10k 100k 1M Time (1 s/div) Source Resistance (O) C001
Figure 12. 0.1-Hz to 10-Hz Voltage Noise Figure 11. Voltage Noise vs Source Resistance
Copyright © 2017, Texas Instruments Incorporated Submit Documentation Feedback 9 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