SBOS791A
June 2017 – November 2017
OPA1641-Q1
,
OPA1642-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
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
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
Phase Reversal Protection
7.3.2
Output Current Limit
7.3.3
EMI Rejection Ratio (EMIRR)
7.3.3.1
EMIRR IN+ Test Configuration
7.4
Device Functional Modes
7.4.1
Operating Voltage
8
Application and Implementation
8.1
Application Information
8.1.1
Total Harmonic Distortion Measurements
8.1.2
Source Impedance and Distortion
8.1.3
Capacitive Load and Stability
8.1.4
Power Dissipation and Thermal Protection
8.1.5
Electrical Overstress
8.2
Typical Application
8.2.1
Single-Supply Electret Microphone Preamplifier for Speech
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
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)
11.1.1.2
TI Precision Designs
11.1.1.3
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 Resources
11.6
Trademarks
11.7
Electrostatic Discharge Caution
11.8
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028D
Thermal pad, mechanical data (Package|Pins)
DGK|8
QFND519
Orderable Information
sbos791a_oa
sbos791a_pm