SBOSA00B
December 2019 – August 2020
OPA1637
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
Parameter Measurement Information
7.1
Characterization Configuration
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Super-Beta Input Bipolar Transistors
8.3.2
Power Down
8.3.3
Flexible Gain Setting
8.3.4
Amplifier Overload Power Limit
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.1.1
Driving Capacitive Loads
9.1.2
Operating the Power-Down Feature
9.1.3
I/O Headroom Considerations
9.1.4
Noise Performance
9.2
Typical Applications
9.2.1
Current-Output Audio DAC Buffer to Class-D Amplifier
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
An MFB Filter Driving an ADC Application
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curves
9.2.3
Differential Microphone Input to Line Level
9.2.3.1
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Board Layout Recommendations
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Receiving Notification of Documentation Updates
12.4
Support Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbosa00b_oa
sbosa00b_pm
2
Applications
Professional audio mixer or control surface
Professional microphones and wireless systems
Professional speaker systems
Professional audio amplifier
Soundbar
Turntable
Professional video camera
Guitar and other instrument amplifier
Data aquisition (DAQ)