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Revision History

 

 

 

 

 

 

 

REV

ECN Number

Approved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

C

 

 

J2

 

P1

 

1

2

 

3

4

J4

5

6

 

7

8

 

910

1112

1314

15

16

17

18

19

20

Analog Input

TP11

Analog-to-Digital Converter

 

+IN

 

 

 

 

 

 

 

 

 

 

 

 

-IN

 

 

 

 

 

 

 

 

 

 

DB[15...0]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B CONVST

 

 

 

EXT_REF

 

B CS

 

B RD

 

B BYTE

 

B RESET

BUSY

 

 

 

 

_

_

_

_

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB[15..0]

Power & Digital Buffer

D

C

B

TP9

+VA

+5VA

 

 

DGND

 

+3.3VD

 

 

 

TP12

J1

 

 

TP13

 

-VA

 

1

2

 

 

 

3

4

AGND

TP10

5

6

 

 

 

7

8

+5VD

 

9

10

TP14

 

 

 

 

 

 

 

W1

 

 

 

+BVDD

+AVCC

+VA

-VA

+BVDD

B_CS

CS

B_RD

RD

B_CONVST B_BYTE

CONVST BYTE

B_RESET

RESET B_BUSY

BUSY

DC_CS A0 A1 A2

DB[15...0]

B_DB[15...0]

INTc

B_DB[15...0]

B_DB0 1

B_DB1 3

B_DB2 5

B_DB3 7

B_DB4 9

B_DB5 11

B_DB6 13

B_DB7 15

B_DB8 17

B_DB9 19

B_DB10 21

B_DB11 23

B_DB12 25

B_DB13 27

B_DB14 29

B_DB15 31

P3

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B

ADC Data Bus

J3

 

2

1

 

 

CS

 

 

4

3

 

 

RD

 

 

 

CONVST

 

6

5

 

 

 

 

 

BYTE

 

 

8

7

 

 

 

10

9

 

 

RESET

 

12

11

 

 

B_BUSY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADC Control

P2

A

1

2

 

 

 

2

1

 

 

DC_CS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

5

 

 

A0

 

 

 

 

 

 

 

 

 

 

 

 

8

7

 

 

 

 

 

 

 

10

9

 

 

A1

 

 

 

 

 

12

11

 

 

A2

 

 

 

 

 

14

13

 

 

 

 

 

 

 

 

 

16

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

17

 

 

 

 

 

 

 

 

 

 

INTc

 

 

 

 

 

20

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Parallel Control

3

4

 

 

 

 

 

 

ti

 

 

 

 

12500 TI Boulevard. Dallas, Texas 75243

 

 

 

 

 

 

 

 

 

 

 

 

TITLE:

 

 

 

 

 

 

ADS8402/ADS8412EVM Block Diagram

 

 

Engineer:

Lijoy Philipose

 

 

 

 

 

 

DOCUMENT CONTROL #:

 

REV:

 

Drawn By:

Lijoy Philipose

6446998

 

A

 

 

 

 

 

 

 

FILE: BlockDiagram.sch

DATE: 22-Oct-2003

SIZE:

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Page 29
Image 29
Texas Instruments ADS8402 EVM, ADS8412 EVM manual +In

ADS8402 EVM, ADS8412 EVM, ADS8402 specifications

Texas Instruments is renowned for its innovative semiconductor solutions, and the ADS8402 and ADS8412 analog-to-digital converters (ADCs) showcase the company's commitment to precision in data acquisition applications. The ADS8402 is a 16-bit, 2-channel ADC renowned for its high performance and versatility. It operates at data rates up to 1 MSPS (Mega Samples Per Second), making it ideal for a range of applications including industrial automation, high-speed data acquisition systems, and medical instrumentation.

The ADS8402 boasts a differential input architecture that enhances noise immunity and improves measurement accuracy. With features such as integrated voltage reference and a programmable gain amplifier, the device allows for adaptability in handling various signal levels. Its low power consumption further extends its appeal for portable and battery-operated devices. The device comes equipped with an internal clock generator, simplifying system design by reducing external components.

For developers looking to evaluate the performance of the ADS8402, the ADS8402 EVM (Evaluation Module) provides a robust platform. The EVM includes the necessary hardware for quick and convenient testing of the device's capabilities. It features numerous connectivity options, enabling users to interface with a variety of microcontrollers and processors. Benefiting from TI's extensive software support, the EVM allows for easy data visualization and manipulation through compatible software platforms.

On the other hand, the ADS8412 is an advanced 16-bit ADC with a single channel and supports faster sampling rates up to 2 MSPS. It is designed for applications requiring high precision and high throughput. The device features an integrated digital filter that significantly lowers noise and enhances signal integrity. The ADS8412 is particularly well-suited for precision measurement systems in industries such as telecommunications and data acquisition.

The ADS8412 EVM caters to users who wish to explore the capabilities of the ADS8412 with ease. Similar to the ADS8402 EVM, the ADS8412 evaluation module provides structured support for testing with readily available interfaces. This makes it an invaluable tool for engineers and developers looking to integrate high-performance ADCs into their designs.

Both the ADS8402 and ADS8412 ADCs exemplify Texas Instruments' dedication to delivering high-quality, innovative technologies that meet the demands of modern applications. With their combination of precision, speed, and adaptability, these ADCs are excellent choices for engineers seeking reliable data acquisition solutions.