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UG-373 

Evaluation Board User Guide

 

Rev. 0 | Page 2 of 8 

TABLE OF CONTENTS 

Package Contents .............................................................................. 1

 

Other Supporting Documentation ................................................. 1

 

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

 

Evaluation Board Overview ............................................................ 1

 

Digital Picture of the Evaluation Board ......................................... 1

 

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

 

Setting Up the Evaluation Board .................................................... 3

 

Input Configuration ..................................................................... 3

 

Shutdown Mode ............................................................................ 3

 

Gain Configuration ...................................................................... 3

 

High Output Impedance ............................................................. 3

 

Output Configuration ...................................................................3

 

Ground Sense .................................................................................3

 

Power Supply Configuration .......................................................3

 

Passive Component Selection ..........................................................4

 

Input Gain Resistors ......................................................................4

 

Input Coupling Capacitors ...........................................................4

 

Charge Pump Flying Capacitor ...................................................4

 

Evaluation Board Schematic and Artwork .....................................5

 

Ordering Information .......................................................................7

 

Bill of Materials ..............................................................................7

 

 

REVISION HISTORY 

6/12—Revision 0: Initial Version 

 

 

 

 

Summary of Contents for UG-373

Page 1: ...ates the need for large dc blocking capacitors reducing system BOM cost and board area The Class G amplifier is fine tuned to maximize battery life a critical task in portable applications The device...

Page 2: ...2 Setting Up the Evaluation Board 3 Input Configuration 3 Shutdown Mode 3 Gain Configuration 3 High Output Impedance 3 Output Configuration 3 Ground Sense 3 Power Supply Configuration 3 Passive Compo...

Page 3: ...e set to PVDD high the amplifier remains in a high impedance mode This feature allows the headphone output jack to be shared for other functions such as video output or data transmission J9 is used to...

Page 4: ...nts in the incoming signal but small enough to reject unnecessary extremely low frequency signals For music signals the cutoff frequency is typically between 20 Hz and 30 Hz The value of the input cap...

Page 5: ...9 2 2uF TP17 1 C12 150pF R6 100K C3 1uF TP4 1 C11 150pF J11 1 2 C7 10uF TP12 1 TP15 1 R8 100K R4 0R R9 100K U1 SSM2932 WLCSP SDB A1 SGND C3 PVDD A2 CFB1 B2 GAIN D2 PGND B1 CFB2 C1 HI Z D1 CPVDD B3 CPV...

Page 6: ...Guide Rev 0 Page 6 of 8 Figure 4 Top Layer Copper Figure 5 Second Layer Copper GND Plane Figure 6 Third Layer Copper VDD Plane Figure 7 Bottom Layer Copper Figure 8 Top Silkscreen 10502 004 10502 005...

Page 7: ...C7 Capacitor ceramic 10 F 16 V X5R 0805 KEMET C0805C106K4PACTU 2 C9 C10 Capacitor ceramic 2 2 F 25 V X5R 0603 Taiyo Yuden TMK107ABJ225KA T 2 C20 C23 Capacitor ceramic 150 pF 25 V X7R 0603 AVX 06033C15...

Page 8: ...ty for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Customer m...

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