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Introduction

This document describes how to use the evaluation board in order to check FDA803S and FDA903S device’s performance.

For any other information and deeper details, refer to the FDA803S and FDA903S datasheets.

Evaluation board for FDA803S and FDA903S power amplifiers

UM2999

User manual

UM2999

Rev 1

March 2022

For further information contact your local STMicroelectronics sales office.

www.st.com

Содержание FDA803S

Страница 1: ...903S device s performance For any other information and deeper details refer to the FDA803S and FDA903S datasheets Evaluation board for FDA803S and FDA903S power amplifiers UM2999 User manual UM2999 R...

Страница 2: ...only be ordered with the FDA903S mounted on it The ordering information is shown in Table 1 Table 1 Ordering information Order code Device mounted on the board EVAL FDA903S SA FDA903S UM2999 Ordering...

Страница 3: ...ndling the product s must have electronics training and observe good engineering practice standards This evaluation board kit does not fall within the scope of the European Union directives regarding...

Страница 4: ...ngle channel Class D amplifier able to deliver up to 10 W 14 4 V at 4 based on the FDA903S or FDA803S and is intended to demonstrate the device capabilities Figure 1 Top view Figure 2 Bottom view UM29...

Страница 5: ...A2 board To PC USB Vbat optional R146 I2S ext Optical In R12 R7 R13 Bottom side VCC FDA903 Demo SA Extender board MiniA2 Mini A2 J7 JP1 4 settings required for audio source selection For information o...

Страница 6: ...the I2C address of the device by suitably removing R7 or and R6 and adding R15 or and R16 However no HW modification is required to set the I2C addresses if the GUI is used through the Mini A2 board...

Страница 7: ...k must be provided by the signal source 3 Load the device file dev provided by ST 4 Load the default register setting file cfg if available If no cfg file is available the configuration set in the dev...

Страница 8: ...d board MiniA2 manual for details Since the Extend board MiniA2 has R7 mounted by default shorting I2S_SDA1 to I2S_SDA2 remove R7 in case the FDA903S is mounted on the board and if the I2S_SDA2 is use...

Страница 9: ...eft of the GUI panel start blinking Menu Settings serial port select the proper COM port Menu Settings I2C Setup configure the proper I2C address by clicking the button Find Device Address Figure 4 I2...

Страница 10: ...n I2S clock present Click the buttons channel conf followed by Write all to apply the settings loaded from the FDAx03S_I2Cbest_Setting cfg file Click the PLAY button Figure 5 Channel configuration UM2...

Страница 11: ...N 8 I2Sclk 9 I2Sws 10 SGnd1 13 AVdd 16 A5VSVR 15 AGSVR 14 HWMute 4 UR5T NC 31 NC 29 SGnd3 28 CD Diag2 12 SGnd2 25 SLUG 33 U1 FDA903S TP4 CH1 TP7 CH1 GND_DIG GND_PWR GND_SHLD GND_ANA TP9 GND D2 BZT52C2...

Страница 12: ...C X7R Capacitor 10 nF 10 25 V 0603 C0603S103K3RACAUTO 2 C7 C15 SMD MLCC X7R Capacitor 4 7 F 10 25 V 0805 CGA4J1X7R1E475K125AC 2 C12 C16 SMD MLCC X7R Capacitor 1 F 10 50 V 1206 CGA5L3X7R1H105M160AB 2 C...

Страница 13: ...R7 R8 R9 SMD chip resistor 10 K 1 75 V 0 1 W 0603 CRCW060310K0FKEB 1 R18 SMD chip resistor 2 2 K 1 150 V 0 125 W 0805 CRCW08052K20FKEA 5 TP1 TP2 TP3 TP6 TP9 TH Test Point terminal Assembly 1 04 mm 20...

Страница 14: ...10 Board layout Figure 7 Assembly Top Figure 8 Top layer UM2999 Board layout UM2999 Rev 1 page 14 21...

Страница 15: ...Figure 9 Layer 2 Figure 10 Layer 3 UM2999 Board layout UM2999 Rev 1 page 15 21...

Страница 16: ...Figure 11 Bottom layer Figure 12 Assembly Bottom UM2999 Board layout UM2999 Rev 1 page 16 21...

Страница 17: ...Revision history Table 3 Document revision history Date Version Changes 22 Mar 2022 1 Initial release UM2999 UM2999 Rev 1 page 17 21...

Страница 18: ...ion 5 3 1 1 Connectors and connections 6 3 2 Board options 6 4 Startup sequence 7 5 Quick start guide 8 5 1 Hardware connection 8 6 GUI setup 9 7 Device setup for playback 10 8 Board schematic 11 9 Bi...

Страница 19: ...List of tables Table 1 Ordering information 2 Table 2 Bill of materials 12 Table 3 Document revision history 17 UM2999 List of tables UM2999 Rev 1 page 19 21...

Страница 20: ...i A2 board 5 Figure 4 I2C setup 9 Figure 5 Channel configuration 10 Figure 6 6038 506 20 v1 0 FDA803S DEMO SA schematic 11 Figure 7 Assembly Top 14 Figure 8 Top layer 14 Figure 9 Layer 2 15 Figure 10...

Страница 21: ...s and ST assumes no liability for application assistance or the design of purchasers products No license express or implied to any intellectual property right is granted by ST herein Resale of ST prod...