On-Bright AUOB6211.00 1245 Manual Download Page 8

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2*20W Class-D Audio Amplifier

AUOB6211.00 1245

Confidential

OB_DOC_DBM_A_621100

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3. EMI Test Report

The demo board passed EMI requirement with more than 6dB margin

3.1 Conducted EMI Test

EN55014 @ 5W4ohm report

3.2 Radiation EMI Test

EN55022 CLASS B @ 5W4ohm report,(speaker cable length 50cm)

Summary of Contents for AUOB6211.00 1245

Page 1: ...ted circuit board It can be used to directly drive speakers with an external analog audio source as the input The audio application of 2 channels single ended SE or 1 channel bridge tied load BTL is p...

Page 2: ...ied load application 4 2 2 Terminal Switch Jack 5 2 2 1 Terminal Switch Jack Assignment 5 2 2 2 Switch Setting 5 2 3 Schematic 6 2 3 1 Demo Board Specifications 7 2 4 Operation 7 2 4 1 Quick Start Lis...

Page 3: ...as 4 85 efficiency driving 4 speakers Up to 95dB SNR Low quiescent current 13mA Four selectable gain settings 20 26 32 36dB External mute shutdown control function Internal oscillator no external com...

Page 4: ...OC_DBM_A_621100 4 2 Application Reference 2 1 Demo Board Block Diagram 2 1 1 2 channels single ended application Fig 1 2 channels single ended application System Block Diagram 2 1 2 1 channel bridge t...

Page 5: ...nection ROUT O Audio output for right channel of SE connection BTL O Audio output positive pole for BTL connection BTL O Audio output negative pole for BTL connection S Shutdown control switch S1 M Mu...

Page 6: ...2 20W Class D Audio Amplifier AUOB6211 00 1245 On Bright Electronics Confidential OB_DOC_DBM_A_621100 6 2 3 Schematic...

Page 7: ...g standard RCA phono plugs 2 4 4 Control Inputs 1 SHUTDOWN This function is active LOW A LOW 0 8 V on this device pin shuts down the amplifier a HIGH 2 V places the amplifier in the active state Setti...

Page 8: ...t Electronics Confidential OB_DOC_DBM_A_621100 8 3 EMI Test Report The demo board passed EMI requirement with more than 6dB margin 3 1 Conducted EMI Test EN55014 5W4ohm report 3 2 Radiation EMI Test E...

Page 9: ...2 20W Class D Audio Amplifier AUOB6211 00 1245 On Bright Electronics Confidential OB_DOC_DBM_A_621100 9 4 Reference 4 1 PCB layout TOP Component View Bottom Component View...

Page 10: ...2 20W Class D Audio Amplifier AUOB6211 00 1245 On Bright Electronics Confidential OB_DOC_DBM_A_621100 10 Top Copper View Bottom Copper View...

Page 11: ...3V Radial 2 10 C11 C18 Capacitor ceramic 0 22uF 10 X7R 50V NC 12 C12 C19 Capacitor electrolytic 1000uF 50V 105 low ESR 7 5 18 2 13 C14 Capacitor ceramic 10uF 80 20 X7R 50V 1210 1 14 C15 Capacitor elec...

Page 12: ...ther changes to its documents products and services at any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders a...