SLOS823D
December 2012 – March 2020
THS4531A
PRODUCTION DATA.
1
Features
2
Applications
3
Description
1-kHz FFT Plot on Audio Analyzer
4
Revision History
5
Related Products
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: VS = 2.7 V
7.6
Electrical Characteristics: VS = 5 V
7.7
Typical Characteristics
7.7.1
Typical Characteristics: VS = 2.7 V
7.7.2
Typical Characteristics: VS = 5 V
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Input Common-Mode Voltage Range
8.3.1.1
Setting the Output Common-Mode Voltage
8.3.2
Power Down
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.1.1
Frequency Response, and Output Impedance
9.1.2
Distortion
9.1.3
Slew Rate, Transient Response, Settling Time, Overdrive, Output Voltage, and Turnon and Turnoff Time
9.1.4
Common-Mode and Power Supply Rejection
9.1.5
VOCM Input
9.1.6
Balance Error
9.1.7
Single-Supply Operation
9.1.8
Low-Power Applications and the Effects of Resistor Values on Bandwidth
9.1.9
Driving Capacitive Loads
9.1.10
Audio Performance
9.1.11
Audio On and Off Pop Performance
9.2
Typical Applications
9.2.1
SAR ADC Performance: THS4531A and ADS8321 Combined Performance
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.2.2
Audio ADC Driver Performance: THS4531A and PCM4204 Combined Performance
9.2.2.1
Detailed Design Procedure
9.2.2.2
Application Curves
9.2.3
SAR ADC Performance: THS4531A and ADS7945 Combined Performance
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
9.2.3.3
Application Curve
9.2.4
Differential-Input to Differential-Output Amplifier
9.2.4.1
AC-Coupled, Differential-Input to Differential-Output Design Issues
9.2.5
Single-Ended to Differential FDA Configuration
9.2.5.1
Input Impedance
9.2.6
Single-Ended Input to Differential Output Amplifier
9.2.6.1
AC-Coupled Signal Path Considerations for Single-Ended Input to Differential Output Conversion
9.2.6.2
DC-Coupled Input Signal Path Considerations for Single-Ended to Differential Conversion
9.2.6.3
Resistor Design Equations for the Single-Ended to Differential Configuration of the FDA
9.2.7
Differential Input to Single-Ended Output Amplifier
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Documentation Support
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RUN|10
MPQF225C
D|8
MSOI002K
DGK|8
MPDS028E
Thermal pad, mechanical data (Package|Pins)
RUN|10
QFND329A
Orderable Information
slos823d_oa
slos823d_pm
11.2
Layout Example
Figure 98.
THS4531ADGKEVM Top Layer 1
Figure 99.
THS4531ADGKEVM Ground Layer 2
Figure 100.
THS4531ADGKEVM Ground Layer 3
Figure 101.
THS4531ADGKEVM Bottom Layer 4