Chapter 4

Power Supplies

The Modular MSOP8 EVM board requires 5 V dc for the analog section. This includes the voltage reference (U2), the reference buffer (U4), and optionally, the ADC installed on the EVM (via JMP1). Supply voltages of 1.8 V to 5 V dc for the digital section are also required. When used in combination with one of the DAP Interface boards, J3 provides connection to the common power bus described in document SLAU104. Table 4 - 1 shows the pin out of J3.

Table 4 - 1. Power Supply Pin Out

Signal

Pin Number

Signal

 

 

 

 

Unused

1

2

Unused

 

 

 

 

+5VA

3

4

Unused

 

 

 

 

DGND

5

6

AGND

 

 

 

 

+1.8VD

7

8

+VD1

 

 

 

 

+3.3VD

9

10

+5VD

When power is supplied to J3, JMP3 allows for one of four different dc voltages to be applied to the digital sections of the ADC. See the schematic and PWB silkscreen for details.

Topic

 

Page

 

 

 

4.1

ADC Power

. . 4-2

4.2

Stand Alone Operation

. . 4-2

4.3

Reference Voltage

. . 4-2

 

 

 

Power Supplies

4-1

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Image 15
Texas Instruments MSOP8 manual Power Supplies, Power Supply Pin Out, Signal Pin Number

MSOP8 specifications

Texas Instruments MSOP8: An Overview of Features and Technologies

The Texas Instruments MSOP8, or Mini Small Outline Package 8, is a compact, dual-in-line package designed to house various analog and digital ICs. This package format facilitates tighter designs and is particularly suitable for applications where space is a critical constraint. With its compact dimensions of approximately 3.0 mm x 4.0 mm, the MSOP8 is favored in consumer electronics, automotive, and communication devices.

One of the primary features of the MSOP8 package is its low-profile design. The package height is typically around 0.75 mm, making it ideal for applications where height restrictions are paramount. This feature is especially beneficial in portable devices, where engineers must optimize space without sacrificing performance.

The MSOP8 package allows for a high level of integration. Manufacturers can implement multiple functions within a single chip, reducing the need for external components and aiding in overall circuit miniaturization. This characteristic not only streamlines the design process but also enhances reliability by minimizing interconnects and potential failure points.

Thermal performance is another notable aspect of the MSOP8. The construction of the package enables effective heat dissipation. This is crucial in high-performance applications where excessive heat can negatively impact functionality and longevity. Users can expect efficient thermal management from ICs housed in an MSOP8 package.

Texas Instruments has leveraged advanced manufacturing technologies and materials to enhance the reliability and performance of its MSOP8 offerings. Through the use of semiconductor technologies like CMOS (Complementary Metal-Oxide-Semiconductor) and BiCMOS (Bipolar CMOS), these devices deliver lower power consumption, higher speed, and increased functionality.

Electrical characteristics of the MSOP8 package contribute significantly to its versatility. Operating voltage ratings can vary across different devices, but many MSOP8 components are designed to work within a wide voltage range, providing flexibility in design. Input and output current ratings are typically robust, making this package suitable for driving loads in motor control and power management applications.

Furthermore, Texas Instruments ensures that MSOP8 components undergo rigorous testing and qualification processes to meet industry standards. This reliability makes the MSOP8 a preferred choice among engineers and designers working on mission-critical systems.

In conclusion, Texas Instruments' MSOP8 package stands out for its compact design, high level of integration, excellent thermal performance, and strong reliability. With its diverse applications across multiple sectors, the MSOP8 is a cornerstone in modern electronics, enabling innovative designs that meet the challenges of today’s market.