Texas Instruments ADC161S626BEB Manual de usuario

User’s Guide

SNAU120-April 2012

ADC161S626BEB User’s Guide

SNAU120-April 2012 ADC161S626BEB User’s Guide 1

LIST OF FIGURES............................................................................................................. 1

LIST OF TABLES............................................................................................................... 1

1. INTRODUCTION ......................................................................................................... 1

2. BOARD ASSEMBLY................................................................................................... 1

3. QUICK START ............................................................................................................ 3

4. FUNCTIONAL DESCRIPTION.................................................................................... 4

5. HARDWARE SCHEMATIC......................................................................................... 5

6. ADC161S626 EVALUATION BOARD BILL OF MATERIALS................................... 6

EVALUATION BOARD/KIT/MODULE (EVM).................................................................. 11

LIST OF FIGURES

Figure 1: ADC161S626 Eval board connected to SPIO board...................................... 3

LIST OF TABLES

Table 1: Test Points on the ADC161S626 Evaluation Board........................................ 2

Table 2: Connectors on the ADC161S626 Evaluation Board ....................................... 2

Table 3: Jumpers .............................................................................................................. 2

1. Introduction

The ADC161S626BEB Evaluation Board Design Kit (consisting of the ADC161S626BEB board, this users

guide, an optional SPIO4 board and an optional sensor board) is intended to ease evaluation of the

ADC161S626. With the optional SPIO4 board and optional Sensor board, the board allows evaluation of an

entire Sensor AFE system.

The evaluation board can be used in stand alone mode, in which the user interfaces with the part through the

SPIO-GPSI16 connector and applies input signals on the AB12 connector. The board can also be used with

an SPIO4 board in place of an external pattern generator. Finally, in the Sensor AFE system, the

ADC161S626BEB board and the optional sensor board (for example, the LMP91000 Configurable AFE Gas

Sensor board) can be used with an SPIO4 board to evaluate the entire Sensor AFE system.

2. Board Assembly

The ADC161S626BEB evaluation board comes fully assembled and ready for use. Refer to the Bill of

Materials for a description of components and to the schematic at the end of this document. There are

jumper selections for choosing between different power supply and clock configurations.

Board Assembly

2 ADC161S626BEB User’s Guide SNAU120-April 2012

Test Point

Purpose

SCLK,

DOUT, CSB

ADC SPI bus signals. Located below the DUT.

VREF,

VDDIO, VA

If external supplies on the banana jacks are used for VREF, VA,

VIO EXT the center pins of jumpers VREF SELECT, VIO

SELECT, VA SELECT can be used as a test point for those

signals. If on board power supplies (from the SPIO board) are

used, the banana jacks can be used as test points.

Table 1: Test Points on the ADC161S626 Evaluation Board

Connector

Purpose

SPIO-

GPSI16

16 pin dual row right angle male header to connect to the SPIO4

board.

GPSI16

16 pin dual row right angle female header. Carries signals from

the SPIO4 board to any optional SensorAFE board.

AB12

12 pin dual row right angle male header. Carries analog bus

signals from an external source or the optional Sensor AFE board

to the ADC.

Table 2: Connectors on the ADC161S626 Evaluation Board

Jumper

Purpose

VREF

SELECT

Selects reference source for VREF. Settings are Vref banana

jack, on board Va or on board LM4120-4.1

VIO SELECT

Allows choice of VIO for the chip, the SPIO interface and

whatever sensor board is connected to the ADC board. Choices

are on board Va, 3.3V from the SPIO connector or the VIO EXT

banana jack.

VA SELECT Allows choice of VA for the part. Choices are VA banana jack or

5V from the SPIO connector.

Table 3: Jumpers

SNAU120-April 2012 ADC161S626BEB User’s Guide 3

3. Quick Start

The fastest way to start using the ADC161S626 evaluation board is to use it with the SPIO4 board, a sensor

board such as the LMP91000 and the Sensor AFE software.

3.1 Sensor AFE Setup (LMP91000)

•Install the VA SELECT jumper between pins 1 and 2 (VA and 5V). This will power VA from the 5V

supply coming from the SPIO4 board.

•Install the VIO SELECT jumper between pins 2 and 3 (VA and VDDIO). This will power the IO on the

chip from the same voltage as VA or 5V. Note, this VDDIO will go on to the LMP91000 board.

•Install the VREF SELECT jumper from pin 2 to 3 (VREF and ON BOARD REF). This will connect the

ADC VREF line to the 4.096V on board LM4120 reference.

•Ensure that a 4MHz crystal is installed in the socket Y2 and that there is no signal applied at the CLK

IN BNC jack.

•Connect the SPIO4 board to the ADC161S626BEB board at the SPIO-GSPI16 male header. Line up

the white arrows on the bottom of the headers.

•Connect the LMP91000 board to the GPSI16 and AB12 headers. Line up the white arrows at the

bottom of the headers (see Figure 1)

•Connect the SPIO4 board to its power supply and to your computer via the USB cable in that order.

Figure 1: ADC161S626 Eval board connected to SPIO board.

•Start the SensorAFE software on your computer.

3.2 Setup for Other Boards

•Choose the VA supply:

oInstall the VA SELECT jumper between pins 1 and 2 (VA and 5V) to power VA from the 5V

supply coming from the SPIO4 or SPUSI2 board.

4 ADC161S626BEB User’s Guide SNAU120-April 2012

oLeave the jumper off to select the VA banana jack

•Choose the VDDIO supply:

oInstall the VIO SELECT jumper between pins 1 and 2 (+3.3V and VDDIO) to choose the 3.3V

supply coming from the SPIO4 or SPUSI2 board.

oInstall the VIO SELECT jumper between pins 2 and 3 (VA and VDDIO) to choose the IO on

the chip from the same voltage as VA or 5V.

oLeave the jumper off to select the VIO EXT banana jack.

•Choose the VREF supply:

oInstall the VREF SELECT jumper from pin 1 to pin 2 (VA and ON BOARD REF) to connect

the VREF pin to the VA supply.

oInstall the VREF SELECT jumper from pin 2 to 3 (VREF and ON BOARD REF) to connect

the ADC VREF line to the 4.096V on board LM4120 reference.

oLeave the jumper off to select the external reference present on the VREF banana jack.

•Choose the clock source

oInstall a 4MHz crystal in the socket Y2 to generate an on board clock that can go to the

SPIO4 board.

oLeave Y2 unpopulated and attach a 4MHz signal to the CLK IN BNC connector to generate a

clock for the SPIO4 board.

oBring a clock to the SPIO-GPSI16 header from an external board of your choice.

4. Functional Description

4.1 ADC Reference Circuitry

This evaluation board includes three options to source the voltage reference, VREF. The options are

selecting the fixed, on board +4.096V voltage reference (LM4120-4.1) to source VREF, connecting VREF to

VA of the device, or using the external banana jack to source VREF. To select the +4.1V reference, short

pins 2 & 3 of VREF SELECT jumper. To connect VA to VREF, short pins 1 and 2 of the VREF SELECT

jumper. To select the external reference, do not install a jumper. Consult the data sheet for the acceptable

values of VREF.

4.2 SPI Interface

The ADC161S626 requires three SPI pins. The input pins are Serial Clock (SCLK), Chip Select Bar (CSB).

The output pin is data out or Master In Slave Out (MISO). The user must provide input signals for SCLK,

CSB.

4.2.1 Serial Clock (SCLK, CSB, MISO, MOSI)

These signals can be provided by the SPIO4 or SPUSI2 board. In stand alone mode, these signals must be

provided by the user on the SPIO-GPSI16 header. The signal levels are TTL and CMOS compatible. The

voltage expected is set by the value of VDDIO that is applied to the board.

SNAU120-April 2012 ADC161S626BEB User’s Guide 5

5. Hardware Schematic

6 ADC161S626BEB User’s Guide SNAU120-April 2012

6. ADC161S626 Evaluation Board Bill of Materials

Item

Designator

Description

Manufacturer

PartNumber

Quanti

16-Bit, 50 to 250 kSPS, Differential

Input, MicroPower ADC & Rainbow

Labs Socket MSO10SD

Texas Instruments

ADC161S626CIM

M/NOPB

C18, C20,

C26, C27,

C29, C32

CAP, CERM, 0.1uF, 16V, +/-5%,

X7R, 0603

AVX

0603YC104JAT2A

C31

CAP, CERM, 470pF, 50V, +/-5%,

C0G/NP0, 0603

AVX

06035A471JAT2A

CAP, CERM, 56pF, 50V, +/-5%,

C0G/NP0, 0603

AVX

06035A560JAT2A

5 C19, C25,

C28

CAP, TANT, 10uF, 16V, +/-10%,

0.45 ohm, 6032-28 SMD

Vishay-Sprague 593D106X9016C2

TE3

CLK IN

Connector, TH, BNC

Amphenol Connex

112404

GPSI16

GPSI16 Female Header, 8-Pin,

Dual row, Right Angle

Sullins Connector

Solutions

PPTC082LJBN-RC

AB12,

SPIO-

GPSI16

Header, 6-Pin, Dual row, Right

Angle, SPIO-GPSI16 Header, 8-Pin,

Dual row, Right Angle

Sullins Connector

Solutions

PBC36DGAN

SELECT

Header, TH, 100mil, 1x2, Gold

plated, 230 mil above insulator

Samtec Inc.

TSW-102-07-G-S

10 VIO

SELECT,

VREF

SELECT

Header, TH, 100mil, 1x3, Gold

plated, 230 mil above insulator Samtec Inc. TSW-103-07-G-S 2

IC EEPROM 2KBIT 400KHZ

8TSSOP

ON Semiconductor

CAT24C01WI-GT3

OSC 4.000 MHZ 5.0V FULL SIZE

ECS Inc

ECS-100AX-040

13 SOCKET

FOR Y2

OSCILLATOR SOCKET FULL SIZE

4PIN

Aries Electronics 1107741 1

Precision Micropower Low Dropout

Voltage Reference

Texas Instruments

LM4120AIM5-

4.1/NOPB

AA1

Printed Circuit Board

TBD

16 R42 RES, 0 ohm, 5%, 0.1W, 0603 Vishay-Dale CRCW06030000Z

0EA

R30, R34

RES, 20.0 ohm, 1%, 0.1W, 0603

Vishay-Dale

CRCW060320R0F

KEA

R46

RES, 27.4 ohm, 1%, 0.1W, 0603

Vishay-Dale

CRCW060327R4F

KEA

R41, R45

RES, 51.1 ohm, 1%, 0.1W, 0603

Vishay-Dale

CRCW060351R1F

KEA

20 GND, VA,

VIO EXT,

VREF

Standard Banana Jack,

Uninsulated, 15A Johnson

Components 108-0740-001 4

SNAU120-April 2012 ADC161S626BEB User’s Guide 7

EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS

Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions:

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user

indemnifies TI from all claims arising from the handling or use of the goods.

Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/ kit may be

returned within 30 days from the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE

EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES,

EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS

FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE,

NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR

CONSEQUENTIAL DAMAGES.

Please read the User's Guide and, specifically, the Warnings and Restrictions notice in the User's Guide prior to

handling the product. This notice contains important safety information about temperatures and voltages. For

additional information on TI's environmental and/or safety programs, please visit www.ti.com/esh or contact TI.

No license is granted under any patent right or other intellectual property right of TI covering or relating to any

machine, process, or combination in which such TI products or services might be or are used. TI currently deals

with a variety of customers for products, and therefore our arrangement with the user is not exclusive. TI assumes

no liability for applications assistance, customer product design, software performance, or infringement of patents

or services described herein.

Mailing Address: Texas Instruments Post Office Box 655303 Dallas, Texas 75265

REGULATORY COMPLIANCE INFORMATION

As noted in the EVM User’s Guide and/or EVM itself, this EVM and/or accompanying hardware may or may not be

subject to the Federal Communications Commission (FCC) and Industry Canada (IC) rules.

For EVMs not subject to the above rules, this evaluation board/kit/module is intended for use for ENGINEERING

DEVELOPMENT, DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a

finished end product fit for general consumer use. It generates, uses, and can radiate radio frequency energy and

has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES-003

rules, which are designed to provide reasonable protection against radio frequency interference. Operation of the

equipment may cause interference with radio communications, in which case the user at his own expense will be

required to take whatever measures may be required to correct this interference.

General Statement for EVMs including a radio

User Power/Frequency Use Obligations: This radio is intended for development/professional use only in legally

allocated frequency and power limits. Any use of radio frequencies and/or power availability of this EVM and its

development application(s) must comply with local laws governing radio spectrum allocation and power limits for

this evaluation module. It is the user’s sole responsibility to only operate this radio in legally acceptable frequency

space and within legally mandated power limitations. Any exceptions to this is strictly prohibited and unauthorized

by Texas Instruments unless user has obtained appropriate experimental/development licenses from local

regulatory authorities, which is responsibility of user including its acceptable authorization.

8 ADC161S626BEB User’s Guide SNAU120-April 2012

For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant

Caution

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This

device may not cause harmful interference, and (2) this device must accept any interference received, including

interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user's

authority to operate the equipment.

FCC Interference Statement for Class A EVM devices

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15

of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when

the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio

frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful

interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful

interference in which case the user will be required to correct the interference at his own expense.

FCC Interference Statement for Class B EVM devices

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15

of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a

residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed

and used in accordance with the instructions, may cause harmful interference to radio communications. However,

there is no guarantee that interference will not occur in a particular installation. If this equipment does cause

harmful interference to radio or television reception, which can be determined by turning the equipment off and on,

the user is encouraged to try to correct the interference by one or more of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and receiver.

•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

•Consult the dealer or an experienced radio/TV technician for help.

For EVMs annotated as IC – INDUSTRY CANADA Compliant

This Class A or B digital apparatus complies with Canadian ICES-003.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s

authority to operate the equipment.

Concerning EVMs including radio transmitters

This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following

two conditions: (1) this device may not cause interference, and (2) this device must accept any interference,

including interference that may cause undesired operation of the device.

Concerning EVMs including detachable antennas

Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and

maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to

SNAU120-April 2012 ADC161S626BEB User’s Guide 9

other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power

(e.i.r.p.) is not more than that necessary for successful communication.

This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user

guide with the maximum permissible gain and required antenna impedance for each antenna type indicated.

Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are

strictly prohibited for use with this device.

Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada.

Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont

pu vider l’autorité de l'utilisateur pour actionner l'équipement.

Concernant les EVMs avec appareils radio

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.

L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2)

l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en

compromettre le fonctionnement.

Concernant les EVMs avec antennes détachables

Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une

antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but

de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type

d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité

nécessaire à l'établissement d'une communication satisfaisante.

Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne

énumérés dans le manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type

d'antenne. Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué,

sont strictement interdits pour l'exploitation de l'émetteur.

Important Notice for Users of this Product in Japan】

This development kit is NOT certified as Confirming to Technical Regulations of Radio

Law of Japan!

If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with

respect to this product:

(1) Use this product in a shielded room or any other test facility as defined in the notification #173 issued by

Ministry of Internal Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the

Ministry’s Rule for Enforcement of Radio Law of Japan,

(2) Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of

Japan with respect to this product, or

(3) Use of this product only after you obtained the Technical Regulations Conformity Certification as

provided in Radio Law of Japan with respect to this product.

Also, please do not transfer this product, unless you give the same notice above to the transferee.

Please note that if you could not follow the instructions above, you will be subject to penalties of Radio Law of

Japan. Texas Instruments Japan Limited

10 ADC161S626BEB User’s Guide SNAU120-April 2012

(address) 24-1, Nishi-Shinjuku 6 chome, Shinjukku-ku, Tokyo, Japan

http://www.tij.co.jp

【ご使用にあたっての注意】

本開発キットは技術基準適合証明を受けておりません。

本製品のご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注

意ください。

（１）電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗

室等の試験設備でご使用いただく。

（２）実験局の免許を取得後ご使用いただく。

（３）技術基準適合証明を取得後ご使用いただく。

なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないも

のとします。

上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。

日本テキサス・インスツルメンツ株式会社

東京都新宿区西新宿６丁目２４番１号

西新宿三井ビル

http://www.tij.co.jp

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