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Schematics and Layout

Table 5. Bill of Materials (continued)

ADS8331

ADS8332

Item No.

Qty

Qty

Ref Des

(1)

Description

Manufacturer

Part Number

1

0

U3

IC ADC 16-bit 500kSPS 4-Ch 24VQFN

Texas

ADS8331IBRGET

Instruments

28

0

1

U3

IC ADC 16-bit 500kSPS 8-Ch 24VQFN

Texas

ADS8332IBRGET

Instruments

29

1

1

U4

IC EEPROM 256Kbit 400kHz 8SOIC

Microchip

24AA256-I/SN

30

1

1

U5

IC Precision V-ref 4.096V LN 8-SOIC

Texas

REF5040AID

Instruments

31

1

1

U7

IC Op Amp GP R-R 38MHZ SGL 8SOIC

Texas

OPA350UA

Instruments

32

7

7

N/A

0.100 Shunt - black

Samtec

SNT-100-BK-T

9

SBAU176A

August 2010

Revised May 2011

ADS833xEVM User

'

s Guide

Submit Documentation Feedback

Copyright

©

2010

2011, Texas Instruments Incorporated

Содержание ADS833 EVM Series

Страница 1: ...ADS8331 and ADS8332 Complete circuit descriptions schematic diagrams and bills of material are included in this document The following related documents are available for download through the Texas In...

Страница 2: ...of Materials 8 1 EVM Overview 1 1 Features ADS833xEVM Contains all support circuitry needed for the ADS8331 or ADS8332 Voltage reference options external or onboard Master clock options Internal osci...

Страница 3: ...samtec com or call 1 800 SAMTEC 9 for a variety of mating connector options The input pins on the ADS833xEVM are directly connected to the part with no filtering or protection It is important that app...

Страница 4: ...PIO1 Unused J2 7 FSX CS FS In None CS FS signal see jumper JP4 J2 8 GPIO2 Unused J2 9 FSR CS FS In None CS FS signal see jumper JP4 J2 10 DGND DGND In Out None Digital ground J2 11 DX DIN In None ADS8...

Страница 5: ...in an unknown state The digital voltage supply for the ADS833x is controlled by jumper JP7 By default the jumper is in the 1 2 position set to use the 5VD to power the ADC VBD supply The 3 3VD supply...

Страница 6: ...l eight of the analog input channels using a single op amp In the EVM design the OPA211 is used in a unity gain configuration in combination with a 34 8 and 750pf first order RC filter This configurat...

Страница 7: ...erence buffer By default JP5 is in the 1 2 position and JP12 is installed routing the reference voltage through the OPA350 and connecting it to the ADC reference If JP12 is removed and JP5 is in the 2...

Страница 8: ...om Side 5 pin Dual row SM header 10 Pos Samtec SSW 105 22 F D VS K 13 5 5 JP3 JP4 JP5 Header strip 3 pin 1x3 Samtec TSW 103 07 L S JP6 JP7 14 0 0 JP8 Not installed 15 2 2 JP9 JP12 Header strip 2 pin 1...

Страница 9: ...PS 8 Ch 24VQFN Texas ADS8332IBRGET Instruments 29 1 1 U4 IC EEPROM 256Kbit 400kHz 8SOIC Microchip 24AA256 I SN 30 1 1 U5 IC Precision V ref 4 096V LN 8 SOIC Texas REF5040AID Instruments 31 1 1 U7 IC O...

Страница 10: ...www ti com Figure 3 ADS833xEVM Top Layer Figure 4 ADS833xEVM Bottom Layer 10 ADS833xEVM User s Guide SBAU176A August 2010 Revised May 2011 Submit Documentation Feedback Copyright 2010 2011 Texas Inst...

Страница 11: ...2010 to A Revision Page Updated Table 3 5 NOTE Page numbers for previous revisions may differ from page numbers in the current version 11 SBAU176A August 2010 Revised May 2011 Revision History Submit...

Страница 12: ...2 NC 1 NC 7 NC 8 U5 REF5040 VA VCC_D 5VA C16 10uF R20 4 99k R19 4 99k VCC_D JP4 C22 10uF C17 1uF VA C13 0 1uF R14 33 R13 0 5 TOUT R17 10K Ch0_FLT R2 0 C2 DNI Ch1_FLT REF RESET S1 PUSHBUTTON TP2 R4 0...

Страница 13: ...roduct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engin...

Страница 14: ...orized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parti...

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