Precautions

2.1 Precautions

Power Supply Input Polarity and Maximum Voltage

Always ensure that the polarity and voltage of the external power connected to VCC power input connector J1, J2, and/or VDD power input connector J6 are correct. Overvoltage or reverse-polarity power applied to these terminals can open onboard soldered-in fuses and cause other damage to the platform, installed evaluation modules, and/or the power source.

Inserting or Removing EVM Boards

Do not insert or remove EVM boards with power applieddamage to the EVM board, the platform, or both may result.

Figure 2−1. Quick Start Platform Map

6b

1

10

6b

6b

6b

Power

Input

VCC(J1) DC SOURCE J1 VCC In +

(J2)

 

JP1

D4 J2 AC/DC In

D3

 

Right In

J3

 

JP2

JP3

AC/DC

Batt

D2

D1

F1 C1+

VR1

LED1 VCC

R1

 

Off Pwr

On

ICC

 

 

 

 

 

 

 

 

 

 

 

S1

JP4

 

 

 

 

 

B1

 

SUPPLY

POWER

U6

VDD In/Out F2

 

IDD

JP5

R2

 

 

 

 

 

LED2 VDD

 

J7

Audio

 

 

 

Right Out

Power

 

 

 

 

 

 

 

 

VR2

6a

DC

Power

In/Out

+

J6

8

Audio

Input

Signal Conditioning

InStereoJ4

U1

InLeftJ5

****CAUTION****

Do not insert or remove EVM boards with power applied

1997 INSTRUMENTS TEXAS Plug-N-Play Audio Amplifier

Evaluation Platform

SLOP097 Rev. C.1

 

Amps

 

 

 

 

 

 

J8

 

 

 

 

 

 

 

 

 

+

 

S2

Off

U3

 

 

 

 

Right Out

 

 

 

 

 

U2

 

 

 

 

Conditioning

On

 

 

 

 

 

 

 

 

 

 

 

 

Left Out

 

U4

 

 

JP6

Mode

+

 

 

 

Mute

 

 

 

 

 

 

 

 

 

 

 

 

 

Polarity

 

J9

 

 

 

 

 

 

Lo

 

 

 

 

 

 

 

 

Hi

 

 

 

 

 

 

 

 

 

Out

 

 

 

 

-U2U4

+ JP7 HP(U5)

-Spk(U2U4)

 

 

 

 

 

StereoLeft

 

U5

U5

C3 JP8

 

 

 

TP1 GND

S3 HP Source

R3

+

C2

HP Out

J10

R4

 

 

 

 

 

 

 

 

 

 

R5

9

Speaker

Output

5

4

Headphone

Output

9

3 2

2-2

Page 14
Image 14
Texas Instruments 2004 manual Precautions, Power Input

2004 specifications

Texas Instruments (TI) is a prominent American technology company that made significant strides in 2004, further establishing its reputation in the fields of semiconductor products and digital signal processing. Known for its innovation, TI focused heavily on developing advanced technologies that catered to the booming electronics market.

One of the key features of Texas Instruments in 2004 was its commitment to improving integrated circuits, particularly in the realm of analog and digital signal processing. The company released a range of new products that included high-performance analog chips, which were essential for converting real-world signals – such as sound and light – into digital data that can be processed by computers. These chips were particularly recognized for their precision and efficiency, making them invaluable in various applications, from consumer electronics to industrial systems.

In 2004, Texas Instruments also made waves with its advancements in embedded processing technologies. This included enhancing its digital signal processors (DSPs), which were crucial for audio and video processing as well as telecommunications. The DSPs from TI were celebrated for their speed and low power consumption, allowing devices to operate more efficiently while maximizing performance.

Another notable characteristic of TI in 2004 was its focus on wireless technology. The company launched products aimed at bolstering wireless communications, which was becoming increasingly important as mobile computing and communications gained traction. TI’s contributions included improved components for Bluetooth and Wi-Fi connectivity, which enabled devices to communicate more effectively.

Moreover, Texas Instruments maintained a strong emphasis on education and outreach, particularly through its initiatives aimed at promoting STEM (Science, Technology, Engineering, and Mathematics) education. The company actively engaged with schools, providing resources and tools to help inspire a new generation of engineers and technologists.

In summary, Texas Instruments in 2004 was characterized by its advancements in integrated circuits, digital signal processing, and embedded technologies. With a keen understanding of market trends and consumer needs, TI positioned itself as a leader in the semiconductor industry, while also playing a vital role in education and community development. The company's focus on innovation and performance would continue to shape the technological landscape for years to come.