SSM2211

Data Sheet

Rev. G | Page 2 of 24

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Functional Block Diagram .............................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 4

Absolute Maximum Ratings............................................................ 6

Thermal Resistance ...................................................................... 6

ESD Caution.................................................................................. 6

Pin Configurations and Function Descriptions ........................... 7

Typical Performance Characteristics ............................................. 8

Theory of Operation ...................................................................... 15

Thermal Performance—LFCSP................................................ 15

Applications Information .............................................................. 16

Bridged Output vs. Single-Ended Output Configurations... 16

Speaker Efficiency and Loudness............................................. 16

Power Dissipation....................................................................... 16

Output Voltage Headroom........................................................ 18

Automatic Shutdown-Sensing Circuit..................................... 18

Shutdown-Circuit Design Example ......................................... 19

Start-Up Popping Noise............................................................. 19

SSM2211 Amplifier Design Example .................................. 19

Single-Ended Applications........................................................ 20

Driving Two Speakers Single-Endedly.................................... 20

LFCSP PCB Considerations...................................................... 21

Outline Dimensions....................................................................... 22

Ordering Guide .......................................................................... 22

REVISION HISTORY

5/16—Rev. F to Rev. G

Changed Electrical Characteristics Section Heading to

Specifications Section Heading....................................................... 4

Changes to Table 5............................................................................ 6

Changes to Figure 3.......................................................................... 7

Changed Product Overview Section Heading to Theory of

Operation Section Heading........................................................... 15

Changed Typical Applications Section Heading to Applications

Information Section Heading ....................................................... 16

Updated Outline Dimensions....................................................... 22

Changes to Ordering Guide .......................................................... 22

12/13—Rev. E to Rev. F

Changes to Table 5............................................................................ 5

Added Exposed Pad Notation, Pin Configurations and Function

Descriptions Section ........................................................................ 6

Deleted Evaluation Board Section................................................ 20

Updated Outline Dimensions....................................................... 21

Changes to Ordering Guide .......................................................... 22

4/08—Rev. D to Rev. E

Changes to Features.......................................................................... 1

Changes to General Description .................................................... 1

Changes to Supply Current in Table 1 and Table 2 ...................... 3

Changes to Supply Current in Table 3 ........................................... 4

Changes to Absolute Maximum Ratings....................................... 5

Changes to Figure 41...................................................................... 14

Changes to Equation 7, Equation 8, and Equation 10 ............... 16

Changes to Figure 47...................................................................... 17

Changes to Automatic Shutdown-Sensing Circuit Section ...... 18

Changes to SSM2211Amplifier Design Example Section......... 19

Changes to Driving Two Speakers Single Endedly Section ...... 20

Changes to Figure 50...................................................................... 20

Changes to Evaluation Board Section.......................................... 20

Changes to Figure 51...................................................................... 20

Changes to Ordering Guide.......................................................... 22

11/06—Rev. C to Rev. D

Updated Format..................................................................Universal

Changes to General Description .....................................................1

Changes to Electrical Characteristics .............................................3

Changes to Absolute Maximum Ratings........................................5

Added Table 6 ....................................................................................6

Changes to Figure 32...................................................................... 11

Changes to the Product Overview Section ................................. 14

Changes to the Output Voltage Headroom Section................... 17

Changes to the Start-Up Popping Noise Section........................ 18

Changes to the Evaluation Board Section................................... 20

Updated Outline Dimensions....................................................... 21

Changes to Ordering Guide.......................................................... 21

10/04—Rev. B to Rev. C

Updated Format..................................................................Universal

Changes to General Description .....................................................1

Changes to Table 5.............................................................................4

Deleted Thermal Performance—SOIC Section ...........................8

Changes to Figure 31...................................................................... 10

Changes to Figure 40...................................................................... 12

Changes to Thermal Performance—LFCSP Section................. 13

Deleted Figure 52, Renumbered Successive Figures.................. 14

Deleted Printed Circuit Board Layout—SOIC Section............. 14

Changes to Output Voltage Headroom Section ......................... 16