Texas Instruments manual TPA005D12 Class-D EVM Bill of Materials

Page 39

TPA005D12 Class-D EVM Bill of Materials

3.8 TPA005D12 Class-D EVM Bill of Materials

The components in the bill of materials (Table 3±5) were selected for their common values, availability, and the smallest size available to meet these criteria.

Table 3±5. TPA005D12 Class-D EVM Bill of Materials

Reference

Description

Size

EVM

Qty.

Manufacturer/ Part Number

C17

Capacitor, Ceramic Chip, 0.1 ∝F, ±10%,

0805

1

Kemet

 

50 V, X7R

 

 

C0805C104K5RAC

 

 

 

 

 

C1, C2, C3, C4,

Capacitor, Ceramic Chip, 1 ∝F, ±10%,

1206

10

TDK

C8, C10, C11,

16 V, X7R

 

 

C3216X7R1C105K

C15, C16, C24,

 

 

 

 

C25

 

 

 

 

 

 

 

 

 

C18, C19

Capacitor, Ceramic Chip, 47 nF, ±10%,

0805

2

Kemet

 

50 V, X7R

 

 

C0805V473K5RAC

 

 

 

 

 

C5, C6, C7

Capacitor, Ceramic Chip, 470 pF, ±5%,

0805

3

Kemet

 

50 V, C0G,

 

 

C0805C471J5GAC

 

 

 

 

 

C9, C12

Capacitor, Ceramic Chip, 10 ∝F, +80%±20%,

1210

2

muRata

 

25 V, Y5V

 

 

GRM235Y5V106Z25

 

 

 

 

 

C13, C14

These pads are provided for increase of bulk

0.0236º ⋅

 

 

 

capacitance as required to meet voltage ripple

0.138º

 

 

 

and temperature operating range specifications.

 

 

 

 

 

 

 

 

C20, C21, C22,

Capacitor, Ceramic Chip, 0.22 ∝F, ±10%,

1206

4

Kemet

C23

16 V, X7R

 

 

C1206C224K4RAC

 

 

 

 

 

L1, L2, L3, L4

Inductor, SMT, 15 ∝H, ±20%, 2.2 ADC, 47.2 mΩ

0.398º ⋅ 0.398º

4

TDK

 

@ 1 kHz, ±20 to +90°C

⋅ 0.220º

 

SLF10145±150

 

 

 

 

 

L1, L2, L3, L4

Inductor, SMT, 15 ∝H, ±20%, 1.1 ADC, 75 mΩ

0.276º ⋅ 0.276º

4

TDK

Alternate Value

@ 1 kHz, ±20 to +85°C

⋅ 0.126º

 

SLF7032±150

 

 

 

 

 

R1, R2

Resistor, Thick Film Chip, SMD, 100 kΩ, ±5%,

0603

2

Vishay/Dale

 

1/16 W, 150 V, ±50 to 150°C, ±200 ppm/°C

 

 

CRCW0603104J

 

 

 

 

 

 

Headers, 0.100 in. centers, 1/2 in length

0.5º, 0.25º,

14

Samtec

 

 

0.1º

 

TSW±19±8±G±S

 

 

 

 

 

TP1, TP2, TP3,

Test Point, Red

 

10

Farnell

TP5± TP11

 

 

 

240±345

 

 

 

 

 

TP4, TP12

Test Point, Black

 

2

Farnell

 

 

 

 

240±333

 

 

 

 

 

S1, S2

Switch, Momentary, Push Button, 12 VDC,

0.291º ⋅ 0.138º

2

Panasonic

 

50 mA

⋅ 0.134º

 

EVQ-PJS04K

 

 

 

 

 

U1

IC, Audio amplifier, class-D,

TSSOP48

1

TI

 

2 W, 48 pin, DCA pkg

 

 

TPA005D12DCA

 

 

 

 

 

Details 3-25

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Page 38 Page 40
Contents Users Guide Important Notice Related Documentation From Texas Instruments PrefacePage Contents Tables FiguresIntroduction Feature Highlights Description TPA005D12 Class-D EVM Specifications MaximumTypical OFF Quick StartAudio Power PrecautionsPlatform Preparations Quick Start List for PlatformQuick Start List for Stand-Alone Details ±1. The TI Plug-N-Play Audio Amplifier Evaluation Platform TPA005D12 Class-D Audio Power Amplifier Evaluation Module TP9 GND VDD2 TP3 1 TPA005D12 Class-D Stereo Audio Amplifier ICOverview of Class-D Audio Amplifiers ±5. Class-D Functional DiagramBridge-Tied Load BTL Operation ±6. Class-D Input and Output WaveformsClass-D Differential Inputs Control and Indicator Circuits±2. TPA005D12 Class-D EVM Test Points 6 TPA005D12 Class-D EVM Test PointsClass-D Amplifier Design Considerations Installing and Removing EVM Boards EVM InsertionEVM Removal Module Switches 2.2 S2 Ð Mute Switch2.1 S1 Ð Shutdown Signal Routing Signal ConditioningHeadphone Output Jack Shutdown Headphone Jack Control SignalsMute/Mode Polarity Select JP8 Mute/Mode Select JP6JP1 JP2 JP3 JP4 JP5 JP6 JP7 JP8 Power RequirementsInputs and Outputs InputsOutputs Monitor Controls and Indicators Input ConnectionsOutput Connections ±11. Class-D Amplifier Frequency Response at 4 Ω TPA005D12 Class-D EVM Performance Characteristics±12. Class-D Amplifier Distortion versus Output Power at 4 Ω ± % Crosstalk Frequency TPA005D12 Class-D EVM Interconnects ±5. TPA005D12 Class-D EVM Bill of Materials TPA005D12 Class-D EVM Bill of Materials±18. TPA005D12 Class-D EVM Schematic Diagram TPA005D12 Class-D EVM Schematic10 TPA005D12 Class-D EVM PCB Layers ±19. TPA005D12 Class-D EVM Top Assembly±21. TPA005D12 Class-D EVM Top Layer ±23. TPA005D12 Class-D EVM Third Layer Details

TPA005D12 specifications

The Texas Instruments TPA005D12 is a highly regarded digital audio power amplifier that is engineered for high-performance applications. It is part of TI's TPA series, which is known for its efficient power delivery and superior sound quality. The TPA005D12 is designed to drive passive speakers while ensuring minimal power loss and efficient heat management.

One of the standout features of the TPA005D12 is its ability to provide 5 watts of continuous output power per channel into an 8-ohm load with a low total harmonic distortion (THD) rating. This makes it suitable for use in a variety of audio applications, including computer speakers, soundbars, and portable audio systems. The amplifier operates from a single supply voltage, ranging typically from 4.5V to 14V, allowing for flexible integration into different power supply environments.

The TPA005D12 adopts Class-D amplification technology, which significantly enhances power efficiency compared to traditional linear amplifiers. Class-D amplifiers convert the input audio signal into a series of pulse-width modulated signals, resulting in increased power savings and reduced heat generation. This not only improves the overall energy efficiency but also contributes to a longer operational lifespan for devices utilizing this technology.

Additionally, the TPA005D12 features an integrated thermal and short-circuit protection mechanism, which helps safeguard the amplifier from potential damage due to excessive temperatures or electrical faults. This reliability factor is crucial for manufacturers looking to create robust consumer electronics.

Another important characteristic is its integrated low-noise power supply rejection ratio (PSRR), which helps maintain sound clarity and reduces the impact of power supply noise on audio quality. The TPA005D12 also supports differential input signals, which can improve common-mode noise rejection and further enhance audio performance.

The device is offered in a compact package suitable for space-constrained applications, enabling easy integration into various designs. With a combination of low cost, high efficiency, and excellent audio performance, the Texas Instruments TPA005D12 stands out as a top choice for developers and engineers seeking reliable audio amplification solutions. Whether in home entertainment systems or personal audio devices, the TPA005D12 is designed to deliver exceptional sound quality with a minimal footprint.
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