Datasheet

MAX98355A/MAX98355B
PCM Input Class D Audio Power Amplifiers
2Maxim Integrated
TABLE OF CONTENTS
General Description ............................................................................ 1
Applications
.................................................................................. 1
Features
..................................................................................... 1
Simplified Block Diagram
........................................................................ 1
Absolute Maximum Ratings
...................................................................... 4
Package Thermal Characteristics
.................................................................. 4
Electrical Characteristics
........................................................................ 4
Typical Operating Characteristics
................................................................. 9
General
....................................................................................9
Speaker Amplifier
............................................................................9
Pin Configuration
............................................................................. 16
Pin Description
............................................................................... 16
Detailed Description
........................................................................... 17
Digital Audio Interface Modes
..................................................................17
MCLK Elimination
.........................................................................17
Jitter Tolerance
...........................................................................17
BCLK Polarity
............................................................................17
LRCLK Polarity
...........................................................................17
PCM Timing Characteristics
.................................................................18
Standby Mode
...........................................................................26
DAC Digital Filters
..........................................................................26
S D_M O D E and Shutdown Operation
.............................................................26
Class D Speaker Amplifier
....................................................................27
Ultra-Low EMI Filterless Output Stage
.........................................................27
Speaker Current Limit
.....................................................................28
Gain Selection
...........................................................................28
Click-and-Pop Suppression
.................................................................28
Applications Information
........................................................................29
Filterless Class D Operation
...................................................................31
Power-Supply Input
..........................................................................31
Layout and Grounding
.......................................................................31
WLP Applications Information
..................................................................31
Functional Diagram
........................................................................... 32
Ordering Information
.......................................................................... 32
Package Information
...........................................................................33
Revision History
..............................................................................34