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OPA1671 13-MHz, Low-Noise, Rail-to-Rail, Audio Operational Amplifier
SBOS931B
January 2019 – August 2019
OPA1671
PRODUCTION DATA.
CONTENTS
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OPA1671 13-MHz, Low-Noise, Rail-to-Rail, Audio Operational Amplifier
1
Features
2
Applications
3
Description
Device Images
Electret Microphone Preamplifier
OPA1671 Voltage Noise Density
4
Revision History
5
Pin Configuration and Functions
Pin 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
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Operating Voltage
7.3.2
Input Bias Current
7.3.3
Common-Mode Voltage Range
7.3.4
EMI Susceptibility and Input Filtering
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
Capacitive Loads
8.1.2
Noise Performance
8.1.3
Basic Noise Calculations
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.1.1.1
TINA-TI (Free Software Download)
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DCK|5
MPDS025K
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos931b_oa
sbos931b_pm
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DATA SHEET
OPA1671 13-MHz, Low-Noise, Rail-to-Rail, Audio Operational Amplifier
1
Features
Low noise:
4 nV/√
Hz
at 10 kHz
4.7 fA/√
Hz
at 1 kHz
Low distortion: –109 dB (0.00035%)
Wide gain bandwidth: 13 MHz
Rail-to-rail input and output
Low supply-voltage operation: 1.7 V to 5.5 V
Low input capacitance
Differential: 6 pF
Common-mode: 2.5 pF
Low input-bias current: 10 pA
Low power supply current: 940 µA
Industry-standard packages: SC-70 and SOT-23