pHAT Module Series
pHAT-HIFI Technical Description
pHAT-HIFI Technical Description
Page 4 of 20
Contents
Page No.
1
Introduction ....................................................................................................................... 6
2
Product Concept ................................................................................................................ 7
2.1
General Description ......................................................................................................... 7
2.2
Key Features .................................................................................................................... 8
3
Application ......................................................................................................................... 9
3.1
Installation ....................................................................................................................... 9
3.1.1
Line Output Connection ................................................................................................ 9
3.1.2
Speaker Power Supply and Speaker Selection ............................................................... 9
3.1.3
Speaker Connection ...................................................................................................... 9
3.2
Operation ........................................................................................................................ 9
3.3
Pin Assignment .............................................................................................................. 10
3.4
Power Supply ................................................................................................................. 10
3.4.1
Speaker Power Input................................................................................................... 10
3.4.2
DAC Power Supply Pins ............................................................................................... 10
3.5
Audio Interfaces ............................................................................................................ 11
3.5.1
Speaker Terminals ...................................................................................................... 11
3.5.2
Line Output Connection .............................................................................................. 11
3.6
I
2
S Interface ................................................................................................................... 12
3.6.1
I
2
S Interface Pins ......................................................................................................... 12
3.6.2
I
2
S Communication ..................................................................................................... 12
3.7
Configuration ................................................................................................................. 13
3.7.1
File Installation ........................................................................................................... 13
3.7.2
System File Modification ............................................................................................. 13
3.7.3
Hardware Testing........................................................................................................ 14
4
Electrical Characteristics .................................................................................................. 15
4.1
Absolute Maximum Ratings ........................................................................................... 15
4.2
Operating Conditions ..................................................................................................... 15
4.3
Current Consumption .................................................................................................... 16
5
Mechanical ....................................................................................................................... 17
5.1
Dimensions .................................................................................................................... 17
6
References ....................................................................................................................... 18
6.1
I
2
S protocol .................................................................................................................... 18
7
Appendix .......................................................................................................................... 19
8
Compliance ...................................................................................................................... 20