Dialog UM-DA7202 User Manual Download

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User manual

UM-DA7202 evaluation board

DA7202 10 W mono class D amplifier for 2S

systems

Abstract

This user manual enables you to use the UM-DA7202 class D speaker driver evaluation board, 189-
01-A EVB, to carry out performance measurements and functional checks on the DA7202 class D
speaker driver.

Summary of Contents for UM-DA7202

Page 1: ... W mono class D amplifier for 2S systems Abstract This user manual enables you to use the UM DA7202 class D speaker driver evaluation board 189 01 A EVB to carry out performance measurements and functional checks on the DA7202 class D speaker driver ...

Page 2: ...4 2 2 Single ended input 7 4 3 Speaker output 7 4 3 1 Additional filtering 7 5 Schematic diagram 8 6 Bill of materials 9 7 Revision history 11 Figures Figure 1 DA7202 performance EVB 4 Figure 2 DA7202 performance EVB external connections 5 Figure 3 Schematic diagram 8 Tables Table 1 Connector summary 6 Table 2 Order BOM for a single EVB 9 Table 3 Build BOM populated components 10 Table 4 Document ...

Page 3: ...itions GND Ground Reference EVB Evaluation Board EMI Electromagnetic Interference PCB Printed Circuit Board USB Universal Serial Bus PSRR Power Supply Rejection Ratio 2 References 1 DA7202 Datasheet Dialog Semiconductor User Manual Revision 2 0 28 Mar 16 CFR0012 3 of 12 2016 Dialog Semiconductor ...

Page 4: ... ion battery to power a variety of two cell portable applications such as Ultrabooks and tablets The DA7202 performance evaluation board 189 01 A has been produced to allow measurement and evaluation of the DA7202 device The evaluation board EVB is supplied with a USB memory stick containing supporting collateral Figure 1 DA7202 performance EVB User Manual Revision 2 0 28 Mar 16 CFR0012 4 of 12 20...

Page 5: ...on points for input output signals Typical external connections are shown in Figure 2 The EVB can be used standalone or as a module for interface to a customer development platform Differential Line Input VPWR 4 5V 10V 1 2 3 PDN 1 3V 5 5V Shorting point J7 to disable device Figure 2 DA7202 performance EVB external connections User Manual Revision 2 0 28 Mar 16 CFR0012 5 of 12 2016 Dialog Semicondu...

Page 6: ...le 3 5 mm jack socket Ring IN Tip IN Sleeve GND J4 AUDIO IN optional input Differential line input connection points accessible via the underside of the board or by removing J3 Pin 1 0 V GND Pin 2 IN Pin 3 IN J5 AUDIO OUT Class D output Pin 1 OUT Pin 2 OUT J6 PDN_N external power supply connection PDN_N Pin 1 GND Pin 2 1 3 V to 5 5 V J7 PDN_N status select Open DA7202 Power Up weak pull up to volt...

Page 7: ...2 4 2 2 Single ended input In normal operation the input to the EVB is differential To use a single ended input connect the input signal to J4 pin 2 and the 0 V GND to J4 pin 3 see schematic diagram in Figure 3 J4 can be accessed from the rear of the board Alternatively J3 can be removed for top access to J4 4 3 Speaker output An inductive 4 Ω or 8 Ω speaker load can be connected directly to J5 Th...

Page 8: ...202 10 W mono class D amplifier for 2S systems UM DA7202 evaluation board 5 Schematic diagram Figure 3 Schematic diagram DA7202 User Manual Revision 2 0 28 Mar 16 CFR0012 8 of 12 2016 Dialog Semiconductor ...

Page 9: ...555C1H101JD01D 2 0603 1608 metric SMD capacitor 100 nF Murata GRM188R71H104KA93D 2 0402 1005 metric SMD capacitor 1 µF Murata GRM155R61A105KE15D 1 0402 1005 metric SMD capacitor 220 nF Murata GRM155R71C224KA12D 5 1x2 2 54 mm pitch PCB pin header vertical 2 54 mm tail TSW 102 07 G S Samtec TSW 102 07 G S 1 1x3 2 54 mm pitch PCB pin header vertical 2 54 mm tail TSW 103 07 G S Samtec TSW 103 07 G S 1...

Page 10: ...070RL FB2 0603 1608 Metric SMD resistor 0R Yageo RC0603JR 070RL R3 0402 1005 Metric SMD resistor 100 kΩ Yageo RC0402FR 07100KL J3 3 5 mm right angle PCB jack socket with chassis Lumberg KLBR4 J1 1x2 2 54 mm pitch PCB pin header vertical 2 54mm tail Samtec TSW 102 07 G S J2 1x2 2 54 mm pitch PCB pin header vertical 2 54 mm tail Samtec TSW 102 07 G S J5 1x2 2 54 mm pitch PCB pin header vertical 2 54...

Page 11: ...sion history Table 4 Document revision history Revision Date Originator Change 1 0 29 Jan 2016 BM Initial release 2 0 14 March 2016 SW Updated to new corporate template Clarified wording throughout document User Manual Revision 2 0 28 Mar 16 CFR0012 11 of 12 2016 Dialog Semiconductor ...

Page 12: ...ludes all liability in this respect Customer notes that nothing in this document may be construed as a license for customer to use the Dialog Semiconductor products software and applications referred to in this document Such license must be separately sought by customer with Dialog Semiconductor All use of Dialog Semiconductor products software and applications referred to in this document are sub...

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