Texas Instruments TPA3008D2EVM User Manual Download Page 16

TPA3008D2EVM Schematic

3-2

3.1

TPA3008D2EVM Schematic

Figure 3−1. TPA3008D2EVM Schematic

C11

C17

C20

C12

C21

PVCC

PVCC

VCC

220 pF

LIN+

LIN−

RIN−

RIN+

SHUTDOWN

BSLN

PVCCL

PVCCL

LOUTN

LOUTN

PGNDL

PGNDL

LOUTP

LOUTP

PVCCL

PVCCL

BSLP

TPA3008D2

VCLAMPR

SHUTDOWN

V2P5

RINP

LINN

LINP

AVDDREF

NC

GAIN0

GAIN1

FAULT

NC

NC

NC

NC

NC

AVDD

AGND

COSC

ROSC

AVCC

VCLAMPL

BSRN

PVCCR

PVCCR

ROUTN

ROUTN

PGNDR

PGNDR

ROUTP

ROUTP

PVCCR

PVCCR

BSRP

RINN

VCC

AGND

L1

L2

C23

L3

L4

C24

C25

VCC

S1

C1

C2

C5

C3

C4

J1

J2

C8

R1

C6

C14

C13

C16

C7

PGND

AGND

Connected at PowerPad

C9

C10

C15

C19

C18

LOUT+

LOUT−

ROUT

ROUT

+

C22

GND

VCC

1 nF

1 nF

220 nF

10 

µ

F

220 nF

0.1 

µ

F

0.1 

µ

F

R2
120 k

0.47 

µ

F

0.47 

µ

F

R4

120 k

R3

120 k

220 nF

0.1 

µ

F

0.1 

µ

F

220 nF

1 nF

1 nF

µ

F

120 k

µ

F

0.1 

µ

F

10 

µ

F

µ

F

10

µ

F

0.47 

µ

F

0.47 

µ

F

0.47 

µ

F

C26

R5

J3

Q1

DNI

FAULT

*

*

*

*

* Chip ferite bead (example: Fair−Rite 251206700743)

Summary of Contents for TPA3008D2EVM

Page 1: ...July 2004 HPL Audio Power Amplifiers User s Guide SLOU171...

Page 2: ...ute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual pro...

Page 3: ...handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s r...

Page 4: ...r to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case t...

Page 5: ...provided for your protection Please read each caution and warning carefully FCC Warning This equipment is intended for use in a laboratory test environment only It gen erates uses and can radiate rad...

Page 6: ...ially be damaged by electrostatic discharge Always transport and store the EVM in its supplied ESD bag when not in use Handle using an antistatic wristband Operate on an antistatic work surface For mo...

Page 7: ...Control Inputs 2 2 2 1 5 Control Output 2 3 2 1 6 Power Up 2 3 3 Reference 3 1 3 1 TPA3008D2EVM Schematic 3 2 3 2 EVM PCB Layers 3 3 3 3 TPA3008D2EVM Parts List 3 4 Figures 1 1 The TI TPA3008D2 Audio...

Page 8: ...viii...

Page 9: ...1 1 Introduction Introduction This chapter provides a brief description of the TPA3008D2EVM Topic Page 1 1 Description 1 2 1 2 TPA3008D2EVM Specifications 1 2 Chapter 1...

Page 10: ...hes by 1 3 4 inches Figure 1 1 and Figure 1 2 Figure 1 1 The TI TPA3008D2 Audio Power Amplifier EVM Top View Figure 1 2 The TI TPA3008D2 Audio Power Amplifier EVM Bottom View 1 2 TPA3008D2EVM Specific...

Page 11: ...2 1 Operation Operation This chapter describes how to operate the TPA3008D2EVM Topic Page 2 1 Quick Start List for Stand Alone Operation 2 2 Chapter 2...

Page 12: ...tive audio source to the module RIN and LIN pins respectively 3 If using single ended inputs ground the LIN and RIN pins at the source and connect the signal source to RIN and LIN Conversely RIN and L...

Page 13: ...n For automatic recovery from a short circuit event install a jumper in the J3 location Table 2 1 TPA3008D2 Gain Settings GAIN1 J1 GAIN0 J2 GAIN dB ON ON 15 3 ON OFF 21 2 OFF ON 27 2 OFF OFF 31 8 ON J...

Page 14: ...2 4...

Page 15: ...3 1 Reference Reference This chapter provides reference information for the TPA3008D2EVM Topic Page 3 1 TPA3008D2EVM Schematic 3 2 3 2 EVM PCB Layers 3 3 3 3 TPA3008D2EVM Parts List 3 4 Chapter 3...

Page 16: ...D AGND COSC ROSC AVCC VCLAMPL BSRN PVCCR PVCCR ROUTN ROUTN PGNDR PGNDR ROUTP ROUTP PVCCR PVCCR BSRP RINN VCC AGND L1 L2 C23 L3 L4 C24 C25 VCC S1 C1 C2 C5 C3 C4 J1 J2 C8 R1 C6 C14 C13 C16 C7 PGND AGND...

Page 17: ...EVM PCB Layers 3 3 Reference 3 2 EVM PCB Layers Figure 3 2 TPA3008D2EVM Top Layer Figure 3 3 TPA3008D2EVM Bottom Layer...

Page 18: ...1 C18 C21 Capacitor ceramic 0 22 F 80 20 Y5V 16V 0603 4 Panasonic ECJ 1VF1C224Z Digi Key PCC1790 C22 C25 Capacitor ceramic 1000 pF 10 X7R 50 V 0603 4 Panasonic ECJ 1VB1H102K Digi Key PCC1772 C26 Do no...

Reviews: