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Nuvoton NAU83P20, Manual, Page: 1 / 10

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Summary of Contents for NAU83P20

Page 1: ...Daughter Board NO VERSION 1 0 PAGE 1 1 NAU83P20 Daughter Board Setup 1 Introduction 2 2 Overview 3 2 1 NAU83P20 Daughter Board Overview 3 2 1 1 Power Down Button 3...

Page 2: ...Fault Signal to Power Down Jumper J9 6 2 2 8 Audio Outputs after LRC Filter 6 2 2 9 Output Capacitor Bypass Jumpers 6 2 2 10 VDD High Voltage Connection 7 2 2 11 Power Inputs 7V 25V 7 3 Setup 8 3 1 A...

Page 3: ...igh impedance state When the power down button is released the NAU83P20 will resume normal operation 2 1 2 Reset Button When pressed the faults of the NAU83P20 will be reset into their power up state...

Page 4: ...s will become illuminated if the chip detects any of the following faults Fault D1 Over Current D3 Under Voltage D4 Temperature Warning D5 Over Temperature D2 Shutdown D6 and Over Current Latch D7 Ful...

Page 5: ...n the positive audio input will be taken from the NAU8402 2 2 4 Negative Audio Input J5 If the jumpers are placed in the center positions the negative audio input will be fed from the Nuvoton Power Au...

Page 6: ...ly to the power down pin forcing the chip into power down whenever the selected fault is detected Pins are matched with the LED order listed in section 2 1 6 in this document It is recommended to conn...

Page 7: ...to the VDDHV NAU83P20 Circuitry Pin If this jumper is not in place an external power supply need to be connected to the VDDHV side of the jumper so that the chip s internal circuitry can function 2 2...

Page 8: ...Audio Inputs to RCA Input Jacks RJ1 RJ2 3 1 3 Setup Daughter Board 3 1 3 1 Select Desired Slew Control J6 section 2 2 2 3 1 3 2 Place Positive Audio Input Jumpers to take signal from the Nuvoton Power...

Page 9: ...3 2 2 6 Attach Audio Inputs to RCA Input Jacks RJ1 RJ2 or SPDIF input to RCA jack J1 or Optical input jack U3 3 2 3 Setup Daughter Board 3 2 3 1 Select Desired Slew Control J2 section 2 2 2 3 2 3 2 P...

Page 10: ...oton Power Audio Master Board J4 J7 section 2 2 3 3 3 4 Select Differential or Single Ended Operation Using the Negative Audio Input Jumper J5 section 2 2 4 3 3 5 Select Desired Power Input Source to...

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