SLOS681C
January 2011 – August 2019
DRV632
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Diagram
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Operating Characteristics
7.7
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Line Driver Amplifiers
9.3.2
Charge-Pump Flying Capacitor and PVSS Capacitor
9.3.3
Decoupling Capacitors
9.3.4
Gain-Setting Resistor Ranges
9.3.5
Input-Blocking Capacitors
9.3.6
DRV632 UVP Operation
9.3.7
External Undervoltage Detection
9.4
Device Functional Modes
9.4.1
Using the DRV632 as a Second-Order Filter
9.4.2
Mute Mode
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Charge-Pump Flying, PVSS and Decoupling Capacitors
10.2.2.2
Second-Order Active Low-Pass Filters
10.2.2.3
UVP Resistor Divider
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.1.1
Gain-Setting Resistors
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
Development Support
13.2
Community Resources
13.3
Trademarks
13.4
Electrostatic Discharge Caution
13.5
Glossary
14
Mechanical, Packaging, and Orderable Information
1
Features
Stereo DirectPath™ Audio Line Driver
2 Vrms Into 10 kΩ With 3.3-V Supply
Low THD+N < 0.01% at 2 Vrms Into 10 kΩ
High SNR, >90 dB
600-Ω Output Load Compliant
Differential Input and Single-Ended Output
Adjustable Gain by External Gain-Setting Resistors
Low DC Offset, <1 mV
Ground-Referenced Outputs Eliminate DC-Blocking Capacitors
Reduce Board Area
Reduce Component Cost
Improve THD+N Performance
No Degradation of Low-Frequency Response Due to Output Capacitors
Short-Circuit Protection
Click- and Pop-Reduction Circuitry
External Undervoltage Mute
Active Mute Control for Pop-Free Audio On/Off Control
Space-Saving TSSOP Package