Datasheet OPA1692 (Texas Instruments) - 6

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OPA1692
SBOS566A – JUNE 2017 – REVISED DECEMBER 2017
www.ti.com 6.5 Electrical Characteristics
at TA = 25°C, VS = ±18 V, RL = 2 kΩ, and VCM = VOUT = midsupply (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT AUDIO PERFORMANCE
0.000045% G = 1, f = 1 kHz, VO = 3 VRMS –127 dB THD+N Total harmonic distortion + noise 0.000126 G = 1, f = 20 kHz, VO = 3 VRMS –118 dB SMPTE/DIN two-tone, 4:1 0.00005% (60 Hz and 7 kHz) G = 1, –126 dB IMD Intermodulation distortion VO = 3 VRMS CCIF twin-tone 0.0002% (19 kHz and 20 kHz) –114 dB
FREQUENCY RESPONSE
GBW Gain-bandwidth product G = 100 5.1 MHz SR Slew rate G = –1, 10-V Step 23 V/µs Full power bandwidth(1) VO = 1 VP 3.66 MHz Overload recovery time G = –10 250 ns Channel separation (dual and quad) f = 1 kHz –145 dB
NOISE
f = 20 Hz to 20 kHz 3.9 µVPP Vn Input voltage noise f = 0.1 to 10 Hz 130 nVPP f = 1 kHz 4.2 en Input voltage noise density nV/√Hz f = 100 Hz 4.5 f = 1 kHz 0.37 In Input current noise density pA/√Hz f = 100 Hz 0.4
OFFSET VOLTAGE
VS = ±1.75 V to ±18 V ±0.25 ±0.8 mV VOS Input offset voltage TA = –40°C to 125°C(2) ±1 mV dVOS/dT Input offset voltage drift TA = –40°C to 125°C(2), VS = ±1.75 V to ±18 V ±0.5 ±5 µV/°C VS = ±1.75 V to ±18 V ±0.1 ±1.5 µV/V PSRR Power-supply rejection ratio TA = –40°C to 125°C(2) ±2.25 µV/V
INPUT BIAS CURRENT
VCM = 0 V 300 550 nA IB Input bias current TA = –40°C to 125°C(2) 600 nA VCM = 0 V ±2 ±10 nA IOS Input offset current TA = –40°C to 125°C(2) ±15 nA
INPUT VOLTAGE RANGE
VCM Common-mode voltage range (V–) + 1.5 (V+) – 0.5 V (V–) + 1.5 V ≤ VCM ≤ (V+) – 0.5 V ±0.1 ±1 µV/V CMRR Common-mode rejection ratio TA = –40°C to 125°C(2) ±4 µV/V
INPUT IMPEDANCE
Differential 350 || 1.5 kΩ || pF Common mode 350 || 1.6 MΩ || pF
OPEN-LOOP GAIN
(V–) + 0.2 V ≤ VO ≤ (V+) – 0.2 V 120 140 dB AOL Open-loop voltage gain TA = –40°C to 125°C(2) 110 dB
OUTPUT
VOUT Voltage output (V–) + 0.2 (V+) – 0.2 V IOUT Output current See Figure 46, Figure 47 mA ZO Open-loop output impedance See Figure 14 Ω ISC Short-circuit current(3) ±50 mA (1) Full-power bandwidth = SR / (2π × VP), where SR = slew rate. (2) Specified by design and characterization. (3) One channel at a time. 6 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