NAU8214 Datasheet, PDF (1/25 Pages) List of Unclassifed Manufacturers – 2.9W Mono Filter-Free Class-D Audio Amplifier

NAU8214 2.9W Mono Filter-Free Class-D Audio Amplifier
Table of Contents
1.1 Description .................................................................................................................................................. 2
1.2 Pin Descriptions .......................................................................................................................................... 3
1.3
Operating Characteristics ............................................................................................................................ 5
1.4 Absolute Maximum Ratings......................................................................................................................... 6
1.5 Recommended Operating Conditions ......................................................................................................... 6
1.6 Special Feature Description ........................................................................................................................ 7
1.7 Device Protection .......................................................................................................................................16
1.7.1 Thermal Overload Protection ..............................................................................................................16
1.7.2 Short Circuit Protection .......................................................................................................................16
1.7.3 Supply under Voltage Protection .........................................................................................................16
1.8 Max Power Limiting feature ........................................................................................................................16
1.8.1 Power limiting VDD independent configuration ...................................................................................17
1.8.2 Power limiting VDD dependent configuration ......................................................................................17
1.8.3 ATTACK TIME, HOLD TIME, AND RELEASE TIME...........................................................................17
1.8.4 Attach time Plot ...................................................................................................................................18
1.8.5 Hold & Release plots...........................................................................................................................18
1.9 Power up and Power down Control ............................................................................................................18
1.10 Application diagram ....................................................................................................................................19
1.10.1 Single ended input configuration .........................................................................................................19
1.10.2 Differential input configuration .............................................................................................................19
1.11 Component selection..................................................................................................................................19
1.11.1 Coupling Capacitors ............................................................................................................................19
1.11.2 Bypass Capacitors ..............................................................................................................................20
1.12 Layout considerations ................................................................................................................................20
1.13 Class D without filter...................................................................................................................................20
1.14 Class D with filter........................................................................................................................................20
1.14.1 Ferrite Bead filter.................................................................................................................................21
1.14.2 LC filter................................................................................................................................................21
1.15 NAU8214 EMI performance .......................................................................................................................22
Package Dimensions...............................................................................................................................................23
1.16 20 Pin QFN Package..................................................................................................................................23
1.17 8 pin SOP package ...................................................................................................................................24
Ordering Information ...............................................................................................................................................25
1.18 Nuvoton Part Number Description ..............................................................................................................25
NAU8214 Data Sheet Rev1.6
Page 1 of 25
April 22, 2015