Texas Instruments manual 2 TPA0242 EVM Connected for Single-Ended Output

Page 33

Using The TPA0242 EVM Stand-Alone

3.4.2TPA0242 EVM Connected for Single-Ended Output

Figure 3±10. TPA0242 EVM Connected for Stereo Single-Ended Output

Audio

 

Input

R HP

(Right)

GND

 

R LINE±

 

SHUTDOWN

 

R IN+

 

S1

 

R1

 

C1

 

C2

L IN+

R2

L LINE±

 

Audio

GND

Input

L HP

(Left)

TPA00242 EVM Board

 

VDD

 

 

 

 

 

 

GND

 

 

 

+

 

 

 

 

 

 

C10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R4

 

 

 

 

C3

 

C4

 

C5

 

C6

R3

 

 

 

S2

 

S3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C7

C8

C9

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

C13

 

 

 

 

 

 

 

 

 

 

 

VDD

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ROUT+

 

 

GND

S4

 

ROUT±

 

HP/LINE

 

 

 

 

SE/BTL

 

 

PCBEEP

 

TEXAS

 

INSTRUMENTS

 

SHUTDOWN

 

 

LOUT±

 

 

GND

 

SLOP275

LOUT+

 

 

+33 F ±

1000 F

33 F ±

+1000 F

5 V

Table 3±3. Typical TPA0242 EVM Jumper Settings for Single-Ended Stand-Alone

EVM

S3

 

 

TPA0242

ON

Note: ON = Shunt installed

OFF = Open

Details 3-17

Image 33
Contents Users Guide Important Notice Related Documentation From Texas Instruments PrefacePage Contents Tables FiguresIntroduction Feature Highlights Description TPA0242 EVM SpecificationsIntroduction Quick Start ±2. Typical TPA0242 EVM Jumper Settings±1. Quick Start Platform Map PrecautionsQuick Start List for Platform ±3. Platform Jumper and Switch Settings for the TPA0242±2. Module Preparation ±4. Typical TPA0242 EVM Jumper Settings±3. Quick Start Module Map Quick Start List for Stand-AloneControl inputs Details ±1. The TI Plug-N-Play Audio Amplifier Evaluation Platform ±2. TPA0242 EVM TPA0242 Audio Power Amplifier Evaluation Module1 TPA0242 Audio Amplifier IC ±3. TPA0242 EVM Schematic DiagramInputs and Gain ±4. TPA0242 Amplifier ICDifferential Input ±1. TPA0242 EVM BTL Volume SettingsDepop Circuitry BTL OperationSingle-Ended Operation Installing and Removing EVM Boards EVM InsertionEVM Removal ±5. TPA0242 EVM Jumpers and Switches 2 TPA0242 Module Jumper Settings and Switches2.2 S3 Ð Output Mode Jumper 2.1 S1 Ð Shutdown Switch2.3 S3 Ð Input Mode Jumper 2.4 S4 Ð Input and Output Mode JumperSignal Routing Signal ConditioningHeadphone Output Jack Mute Shutdown/Mode Headphone Jack Control SignalsMute/Mode Polarity Select JP8 Mute/Mode Select JP6Power Requirements Inputs and Outputs InputsOutputs Using The TPA0242 EVM Stand-Alone ±2. Typical TPA0242 EVM Jumper Settings for BTL Stand-Alone1 TPA0242 EVM Connected for BTL Output ±10. TPA0242 EVM Connected for Stereo Single-Ended Output 2 TPA0242 EVM Connected for Single-Ended Output±4. TPA0242 EVM Parts List TPA0242 Audio Power Amplifier Evaluation Module Parts List