Texas Instruments TLC3578EVM manual U5B

Page 32

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Revision History

REV

ECN Number

Approved

D

 

 

U5B

 

 

 

 

 

 

1

 

 

5 DVdd

 

NC

Vcc

DGND3

 

 

 

 

 

C23

GND

 

 

 

 

0.1uF

 

 

 

 

 

 

 

 

 

 

SN74LVC1G07

 

 

U6B

 

 

 

 

 

 

1

 

 

5 DVdd

 

NC

Vcc

DGND3

 

 

 

 

 

C24

GND

 

 

 

 

0.1uF

 

 

 

 

 

 

SN74LVC1G07

+5VA

+5VA

FB3

+5V_s

D

DVdd

+3.3V_D

Vdd

W6

R15

10R

AGND 6 5 4 3 2 1

10 9 8 7

C16

0.1uF

+VA AGND

C13

0.1uF

P5AGND

-VA

+C19 10uF

+VA

FB2

+V_s

 

+C12 10uF

W3

Amplifier +Supply

+5V_D

-VA

FB1

-V_s

C

C22

+ C21

0.1uF

10uF

 

 

DGND

DGND

C1

0.1uF

AGND

 

C2

+

10uF

W2

Amplifier -Supply

AGND

R11

100R

C3

10pF

Amplifier +Supply

 

R19

 

0R

 

R14

 

Not Installed

AGND

DGND

AGND

DGND

C

U2

2

7

-InU3

Output 6

R10

VREF+

100R

 

B

+5V_s 1

IN

OUT

3

GND

 

 

 

 

2

3

+In

 

 

 

 

4

B

A

P2

 

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P4

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56

78

910

1112

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REF3040

AGND

Amplifier -Supply

ti

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12500 TI Boulevard. Dallas, Texas 75243

 

 

 

 

 

Title:

 

 

 

 

 

 

 

 

TLC3578 EVM Power & Reference

 

 

 

Engineer:

Joe Purvis

 

 

 

 

 

 

 

 

DOCUMENTCONTROL #

6448025

 

REV:

2

 

 

 

 

 

 

Drawn By: Joe Purvis

 

 

 

5

FILE:

PWR & REF.sch

 

DATE: 21-Aug-2003

SIZE:

SHEET: 3

OF:

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Image 32
Contents User’s Guide Important Notice EVM Important Notice EVM Warnings and Restrictions Read This First About This ManualTrademarks Contents Figures TablesEVM Overview Features Analog Interface TopicSingle Supply Operation Analog Interface Block DiagramSignal Conditioning Physical Pinout Description Reference VoltageConfiguration Options − 3. Jumper SettingsDigital Interface − 1. Digital Signal Pinout Description Power Supply Page Getting the Most From Your EVM Additional Hardware Options Stand-Alone EVM− 1. EVM Selection Page Bill of Materials, Board Layouts, and Schematic Bill of Materials for EVM Qty Value Ref Des Description Vendor Part numberTLC3578IPW Board Layouts − 1. Top Layer− 2. Internal Plane − 4. Bottom Layer Mirrored EVM Schematic CH0 Ti a U5B

TLC3578EVM specifications

The Texas Instruments TLC3578EVM is an evaluation module designed to facilitate the development and testing of applications using the TLC3578, a high-performance, 16-bit analog-to-digital converter (ADC). This evaluation module provides an easy interface for engineers and developers to sample the capabilities of the TLC3578 and integrate it into their own designs.

One of the standout features of the TLC3578EVM is its high resolution of 16 bits, enabling precise and accurate digital representation of analog signals. This resolution is essential for applications requiring high fidelity, such as medical instrumentation, industrial automation, and data acquisition systems. The device supports sampling rates of up to 1 MSPS (megasample per second), making it suitable for capturing rapid changes in the input signal.

The TLC3578EVM utilizes a differential input architecture, which significantly enhances its ability to reject common-mode noise, thereby improving signal integrity. This feature is particularly important in noisy environments where precision is critical. Additionally, the ADC includes onboard features like programmable gain amplification, which provides flexibility in handling various input signal ranges and enhances the overall dynamic performance.

In terms of connectivity, the TLC3578EVM supports multiple interfaces. It includes an SPI (Serial Peripheral Interface) for easy communication with microcontrollers and processors, allowing for straightforward data handling and configuration. The evaluation module also features an onboard clock generator for synchronizing the ADC, which simplifies system design and reduces the need for external components.

The module is designed with user-friendly features that make it accessible for both beginners and experienced engineers. It includes comprehensive documentation, software tools, and reference designs that help users get started quickly. The design is also optimized for low power consumption, which is crucial for portable applications, ensuring that battery life is extended while maintaining high performance.

Overall, the Texas Instruments TLC3578EVM is an ideal tool for evaluating the capabilities of the TLC3578 ADC. With its high resolution, fast sampling rate, robust differential input architecture, and user-friendly design, it provides engineers with the necessary tools to accelerate development, reduce time to market, and ensure the performance of their analog signal processing applications.