Datasheet

MAX98357A/MAX98357B
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 Configurations ............................................................................ 17
Pin Description ............................................................................... 17
Detailed Description........................................................................... 18
Digital Audio Interface Modes..................................................................18
MCLK Elimination.........................................................................18
BCLK Jitter Tolerance .....................................................................18
BCLK Polarity ............................................................................18
LRCLK Polarity...........................................................................18
Standby Mode ...........................................................................19
DAC Digital Filters ...........................................................................19
S D_M O D E and Shutdown Operation .............................................................19
I
2
S and Left Justified Mode .................................................................21
TDM Mode ..............................................................................21
Class D Speaker Amplifier ....................................................................30
Ultra-Low EMI Filterless Output Stage.........................................................30
Speaker Current Limit .....................................................................30
Gain Selection ...........................................................................30
Click-and-Pop Suppression .................................................................30
Applications Information........................................................................ 31
Filterless Class D Operation ...................................................................35
Power-Supply Input ..........................................................................35
Layout and Grounding .......................................................................35
Functional Diagram ...........................................................................35
WLP Applications Information ..................................................................36
Ordering Information ..........................................................................36
Package Information........................................................................... 37
Revision History .............................................................................. 40