SBOS931B
January 2019 – August 2019
OPA1671
PRODUCTION DATA.
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
Package Options
Mechanical Data (Package|Pins)
DCK|5
MPDS025I
DBV|5
MPDS018S
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos931b_oa
sbos931b_pm
8.2.3
Application Curves
Figure 35.
Electret Microphone Preamplifier Transfer Function
Figure 36.
Electret Microphone Preamplifier Output Noise Density