Texas Instruments manual 2 TPA0202 EVM Connected for Single-Ended Output

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Using The TPA0202 EVM Stand-Alone

3.4.2TPA0202 EVM Connected for Single-Ended Output

Figure 3±10. TPA0202 EVM Connected for Stereo Single-Ended Output

Audio

Input

(Right)

Audio

Input (Left)

 

 

 

 

5 V

 

 

 

 

 

 

 

 

RHP

C7

R10

RVDD

 

GND

 

R11

ROUT+

 

 

 

 

 

 

+

 

S5

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

GND

 

 

 

C11

 

 

 

 

 

 

C6

R8

 

 

 

 

S6

 

 

 

RIN

 

 

 

 

 

ROUT±

 

+

33 μF ±

 

C8

R9

 

S3

 

 

 

 

 

 

 

HP/L*

 

GND

 

R7

 

 

 

S4

 

 

5 V

 

1000 μF

 

 

 

 

C9 C10

 

 

SE/BTL*

 

 

TPA0202 SAMPLE EVM

 

 

 

 

R12

 

 

 

Lit.# SLOP202

U1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S8

 

 

 

D1

R13

S7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R2

 

 

 

 

 

 

 

 

 

 

GND

 

 

C3

R4

C5

 

S2

 

MUTE

 

 

33 μF ±

 

 

 

C4

 

 

 

 

Mute

+

1000 μF

LIN

C1

R1

 

 

 

 

 

 

 

 

 

 

 

 

S1

LOUT±

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

LHP

 

R3

 

 

 

 

 

 

 

 

C2

 

C12

 

 

 

 

 

 

 

 

 

 

R5

 

LOUT+

 

 

 

 

 

 

LVDD

 

GND

 

 

 

 

 

 

 

 

5 V

 

 

 

 

 

 

 

 

Table 3±2. Typical TPA0202 EVM Jumper Settings for Single-Ended Stand-Alone

EVM

S1

S3

S4

S5

S6

S8

 

 

 

 

 

 

 

TPA0202

X

ON

ON

ON

X

OFF

Note: ON = shunt installed, OFF = open, X = don't care, S8 = always OFF

Details 3-17

Image 33
Contents Users Guide Important Notice Related Documentation From Texas Instruments PrefaceIf You Need Assistance Contents Tables FiguresIntroduction Feature Highlights ±1. The TI TPA0202 Audio Amplifier Evaluation Module DescriptionTPA0202 EVM Specifications EVM JP6 JP7 JP8 Quick StartAudio Input PrecautionsPlatform preparations Quick Start List for Platform±4. Typical TPA0202 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. TPA0202 EVM TPA0202 Audio Power Amplifier Evaluation Module1 TPA0202 Audio Amplifier IC ±3. TPA0202 EVM Schematic DiagramBTL Operation Depop CircuitryInputs and Gain SIngle-Ended OperationInstalling and Removing EVM Boards EVM InsertionEVM Removal ±5. TPA0202 EVM Jumpers and Switches 2 TPA0202 Module Jumper Settings and Switches2.4 S4 Ð Output Mode Jumper 2.2 S2 Ð Mute Switch2.1 S1 Ð Shutdown Jumper 2.3 S3 Ð Input Select Jumper2.8 S8 Ð Junction Temperature Measurement Jumper 2.7 S7 Ð SE Output Mode Switch2.5 S5 Ð VDD Bridge Jumper 2.6 S6 Ð Autosense JumperSignal Routing Signal ConditioningHeadphone Output Jack Mute/Mode Headphone Jack Control SignalsMute/Mode Polarity Select JP8 Mute/Mode Select JP6Power Requirements Inputs and Outputs InputsOutputs 1 TPA0202 EVM Connected for BTL Output Using The TPA0202 EVM Stand-Alone±10. TPA0202 EVM Connected for Stereo Single-Ended Output 2 TPA0202 EVM Connected for Single-Ended Output±1. TPA0202 EVM Parts List TPA0202 Audio Power Amplifier Evaluation Module Parts List

TPA0202 specifications

The Texas Instruments TPA0202 is a high-performance Class-D audio amplifier designed for a variety of portable audio applications. Renowned for its efficiency and sound quality, the TPA0202 is an ideal choice for battery-operated devices such as mobile phones, tablet computers, and other handheld devices. With the continuous push for better audio experiences in compact formats, the TPA0202 stands out with its impressive specifications and features.

One of the key characteristics of the TPA0202 is its power efficiency. Operating at a high efficiency rate of up to 90%, this Class-D amplifier minimizes heat generation, allowing it to deliver more power to the audio output while extending battery life. This efficiency is especially crucial for portable devices, where battery performance is a key consideration.

The TPA0202 supports an output power of 2 watts per channel into 4 ohms, making it capable of driving small speakers or headphones with excellent sound quality. The device features a built-in differential input stage that enhances noise immunity, thereby ensuring cleaner audio reproduction. It also supports a wide supply voltage range from 3V to 5.5V, contributing to its versatility in different applications.

In terms of audio quality, the TPA0202 boasts low total harmonic distortion (THD) and exceptional linearity, resulting in rich, clear audio output. Additionally, it comes equipped with selectable gain settings, allowing designers to tailor the amplifier to various output requirements and system designs.

The amplifier also integrates various protection features, including thermal shutdown, short-circuit protection, and undervoltage detection, ensuring robust operation under different conditions. The TPA0202 is also simple to implement in designs, with a minimal external component requirement, further enhancing its appeal to engineers seeking quick and efficient solutions for audio amplification needs.

Moreover, the compact package size of the TPA0202 allows for easy integration into space-constrained designs. With its combination of high efficiency, excellent audio quality, and protective features, the Texas Instruments TPA0202 continues to be a compelling choice for developers looking to enhance audio performance in portable and battery-operated devices. Whether for consumer electronics or in more specialized applications, the TPA0202 delivers reliable and impressive sound amplification, making it a go-to component for modern audio solutions.