Texas Instruments CDCLVP111EVM-CVAL Manual de usuario

SCAU055–November 2016

CDCLVP111-SP Evaluation Module (CDCLVP111EVM-CVAL)

User's Guide

SCAU055–November 2016

CDCLVP111-SP Evaluation Module

(CDCLVP111EVM-CVAL)

This user’s guide provides an overview of the evaluation module (EVM) including hardware features to be

considered while using this module. This manual is applicable to the CDCLVP111-SP EVM which is

synonymous with CDCLVP111EVM-CVAL, the orderable part number. The EVM provides a platform for

evaluating the clock buffer under various voltage and bias configurations.

Contents

1 CDCLVP111-SP EVM (CDCLVP111EVM-CVAL)....................................................................... 2

2 CDCLVP111-SP Setup and Quick Test .................................................................................. 2

2.1 Power Supply Setup................................................................................................ 3

3 CDCLVP111-SP EVM Description ........................................................................................ 4

3.1 CDCLVP111-SP Clock Mux Selection........................................................................... 4

3.2 CDCLVP111-SP EVM Input Biasing ............................................................................. 4

3.3 CDCLVP111-SP EVM Output Termination...................................................................... 6

4 CDCLVP111-SP EVM Schematic ......................................................................................... 7

5 CDCLVP111-SP EVM Bill of Materials (BOM)........................................................................... 8

List of Figures

1 CDCLVP111-SP EVM Block Diagram .................................................................................... 2

2 Power Supply Connections................................................................................................. 3

3 Input Biasing Schematic .................................................................................................... 5

4 Input Biasing Board View................................................................................................... 5

5 LVDS Termination........................................................................................................... 6

6 On Board Optional Output Termination................................................................................... 6

7 CDCLVP111-SP Schematic................................................................................................ 7

List of Tables

1 Power Supply Configuration................................................................................................ 3

2 CDCLVP111-SP Jumper Configuration................................................................................... 4

3 Bill of Materials............................................................................................................... 8

Trademarks

All trademarks are the property of their respective owners.

CDCLVP111-SP

Q0:Q9 Output

biasing:

50 Qš}'E

through SMA, or

50 Qš}'EÀ]

on-board

resistor.

CLK0/CLK1

Input Biasing

LVDS,

LVPECL,

Single Ended

Input Clock Selection

MUX

CDCLVP111EVM-CVAL

LVPECL

10 10

CDCLVP111-SP EVM (CDCLVP111EVM-CVAL)

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1 CDCLVP111-SP EVM (CDCLVP111EVM-CVAL)

The CDCLVP111-SP EVM is ideal for evaluating the CDCLVP111-SP. The CDCLVP111-SP is a 1 to 10

LVPECL buffer with selectable input. The evaluation setup is shown in Figure 1. The evaluation setup is

essentially a break-out board exposing full functionality of the device with flexible input and output-biasing

options.

Figure 1. CDCLVP111-SP EVM Block Diagram

2 CDCLVP111-SP Setup and Quick Test

The CDCLVP111-SP EVM is designed to ease lab-based evaluation by utilizing an offset LVPECL bias

point set to earth ground. This allows a two power supply setup to easily connect the outputs to standard

50-Ωterminated test equipment. Connecting this way provides the proper termination for LVPECL drivers.

The EVM also provides pads near SMA jacks for on-board 50-Ωtermination for cases that may desire to

utilize high-impedance probes.

Supply 2Supply 1

+ - + -

GND

3.3 V 2 V

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CDCLVP111-SP Setup and Quick Test

SCAU055–November 2016

CDCLVP111-SP Evaluation Module (CDCLVP111EVM-CVAL)

2.1 Power Supply Setup

Figure 2 illustrates the necessary power connections for 3.3-V VCC-to-VEE operation.

• With supply 1 disabled, program supply 1 to 3.3 V with 100-mA current limit

• With supply 2 disabled, program supply 2 to 2 V with 100-mA current limit

Figure 2. Power Supply Connections

(A) Connect supplies and board with banana cables as shown. This configuration is for nominal 3.3-V

testing. To configure other VCC-to-VEE voltages, program supply 1 to the proper range of 2.375 V to

3.8 V. Supply 2 remains fixed with 2-V offset from VCC to earth ground termination.

(B) With the signal generator disabled, program according to Table 1 based on the supply voltage used.

Note, that the amplitudes and offsets are based on a single-ended signal.

Table 1. Power Supply Configuration

Voltage VCC:VEE VCC-GND CLK[0:1] amplitude CLK[0:1] offset

MIN 2.375 V 2 V 500 mV 0.625 V

TYP 3.3 V 2 V 500 mV –0.3 V

MAX 3.8 V 2 V 500 mV –0.8 V

CDCLVP111-SP EVM Description

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earth ground (LVPECL termination point).

(D) Connect 1 or more output pairs to a 50-Ωterminated oscilloscope.

(E) Connect signal generator to CLK0 and nCLK0.

(F) Ensure that J1 is open or set between pins 1 and 2. This enables CLK0. Jumper pins 2 and 3 for CLK1

pair.

(G) Enable power supply 1 and 2.

(H) Enable signal generator outputs.

(I) View outputs on oscilloscope screen.

3 CDCLVP111-SP EVM Description

The following sub-sections describe the CDCLVP111-SP EVM in detail.

3.1 CDCLVP111-SP Clock Mux Selection

The EVM provides a three-pin jumper, J1, to select CLK0 or CLK1 pairs.

Table 2. CDCLVP111-SP Jumper Configuration

Reference

Designator # of Pins Default Config Pin 1 Silkscreen Pin 2 Silkscreen Pin 3 Silkscreen

J1 3 Short pins 1-2 VEE CLK_SEL VCC

The CDCLVP111-SP CLK_SEL pin contains a 75-kΩpulldown to VEE. Leaving J1 without jumper will

select the CLK0 pair, the same as if J1 has pins 1 and 2 shorted. Shorting J1 pins 2 and 3 will select

CLK1 input pair.

3.2 CDCLVP111-SP EVM Input Biasing

The CDCLVP111-SP EVM was designed to allow implementation of flexible input biasing. By default, the

board is configured with two 50-Ωresistors to LVPECL bias level (VCC-2 V, earth ground) for both CLK

inputs. This configuration allows for direct use of LVPECL drivers. The termination resistors R1, R2, R4,

and R5 are placed on the bottom side of the board in a fly-by configuration.

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CDCLVP111-SP EVM Description

SCAU055–November 2016

CDCLVP111-SP Evaluation Module (CDCLVP111EVM-CVAL)

Figure 3. Input Biasing Schematic

Figure 4. Input Biasing Board View

The board also is designed to allow LVDS termination. This is accomplished by the careful layout of R1,

R2, R4 and R5. The pad placements are such that an 0402 100-Ωresistor can be placed between the top

pads of R1 and R5 or R2 and R4 to differentially terminate either CLK0 or CLK1 pairs respectively (see

Figure 5).

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Figure 5. LVDS Termination

The final termination option is to allow single-ended input to drive CLK1. A 0-Ωresistor, R3, can be added

to the circuit to connect VBB output to the negative pin of CLK1. Remove resistor R2 and R4. A single-

ended signal can now drive CLK1 input on J7.

3.3 CDCLVP111-SP EVM Output Termination

The CDCLVP111-SP EVM is configured with no on-board output termination installed, by default. This

allows simple connection to 50-Ωterminated test equipment. There are 0402 pads for 50-Ωtermination on

board. This allows the connection of a high- impedance or differential probe. Simply install the pair of

resistors associated with the output being evaluated. In Figure 6, install R7 and R12 for on-board

termination. Leave them unconnected for direct termination to 50-Ωtest equipment.

Figure 6. On Board Optional Output Termination

VCC

CLK_SEL

CLK0

VBB 5

CLK1

VEE 8

VCC

Q9 11

Q9 12

Q8 13

Q8 14

Q7 15

Q7 16

VCC

Q6 19

Q6 20

Q5 21

Q5 22

Q4 23

Q4 24

Q3 25

Q3 26

VCC

28 Q2 29

Q2 30

Q1 31

Q1 32

Q0 33

Q0 34

VCC

CDCLVP111HFG

VCC

VEE

VCC

VEE

Q0n

Q1n

Q2n

Q3n

Q4n

Q5n

Q6n

Q7n

Q8n

Q9n

Q0n

Q1n

Q2n

Q3n

Q4n

Q5n

Q6n

Q8n

Q9n

J2 J4J3

1000pF

0.01µF

1µF

10µF

68µF

C10

VCC VEE

GND

Q7n

GND

49.9

10µF

1000pF

0.01µF

C11

49.9

GND

49.9

R11

GND

49.9

GND

49.9

R12

GND

49.9

GND

49.9

R13

GND

49.9

GND

49.9

R14

GND

49.9

R10

GND

49.9

R15

GND

49.9

R16

GND

49.9

R21

GND

49.9

R17

GND

49.9

R22

GND

49.9

R18

GND

49.9

R23

GND

49.9

R19

GND

49.9

R24

GND

49.9

R20

GND

49.9

R25

GND

J10

J11

J12

J13

J14

J15

J16

J17

J18

J19

J20

J21

J22

J23

J24

J25

J26

J27

J28

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CDCLVP111-SP EVM Schematic

SCAU055–November 2016

CDCLVP111-SP Evaluation Module (CDCLVP111EVM-CVAL)

4 CDCLVP111-SP EVM Schematic

Figure 7 illustrates the EVM schematic.

Figure 7. CDCLVP111-SP Schematic

CDCLVP111-SP EVM Bill of Materials (BOM)

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5 CDCLVP111-SP EVM Bill of Materials (BOM)

Table 3 displays the BOM.

Table 3. Bill of Materials

Designator Qty Value Description Package Reference Part Number Manufacturer

!PCB 1 Printed Circuit Board MHR030 Any

C1, C2 2 1uF CAP, CERM, 1 µF, 25 V, +/- 10%, X7R, 1206 1206 C3216X7R1E105K085AA TDK

C3, C4, C11 3 0.01uF CAP, CERM, 0.01 µF, 50 V, +/- 5%, X7R, 0603 0603 C0603C103J5RACTU Kemet

C5, C6 2 1000pF CAP, CERM, 1000 pF, 50 V, +/- 10%, X7R, 0603 0603 C0603C102K5RACTU Kemet

C7, C8 2 10uF CAP, TA, 10 µF, 25 V, +/- 20%, 1.5 ohm, SMD 6032-28 293D106X0025C2TE3 Vishay-Sprague

C9, C10 2 68uF CAP, TA, 68 µF, 25 V, +/- 10%, 0.2 ohm, SMD 7343-43 T495X686K025ATE200 Kemet

H1, H2, H3, H4 4 Machine Screw, Round, #4-40 x 1/4, Nylon, Philips panhead Screw NY PMS 440 0025 PH B&F Fastener Supply

H5, H6, H7, H8 4 Standoff, Hex, 0.5"L #4-40 Nylon Standoff 1902C Keystone

J1 1 Header, 2.54 mm, 3x1, Tin, TH Header, 2.54 mm, 3x1, TH TSW-103-07-T-S Samtec

J2, J4 2 BANANA JACK, SOLDER LUG, RED, TH Red Insulated Banana Jack SPC15363 Tenma

J3 1 BANANA JACK, SOLDER LUG, BLACK, TH Black Insulated Banana Jack SPC15354 Tenma

J5, J6, J7, J8, J9, J10, J11,

J12, J13, J14, J15, J16, J17,

J18, J19, J20, J21, J22, J23,

J24, J25, J26, J27, J28

24 JACK, SMA, 50 Ohm, Gold, SMT SMA JACK EDGE MNT,

SMT 73251-1150 Molex

R1, R2, R4, R5 4 49.9 RES, 49.9, 1%, 0.063 W, 0402 0402 RC0402FR-0749R9L Yageo America

SH-J1 1 Shunt, 100mil, Gold plated, Black Shunt 2 pos. 100 mil 881545-2 TE Connectivity

U1 1 CDCLVP111HFG, HFG0036A_Custom_A HFG0036A_Custom_A CDCLVP111HFG Texas Instruments

R3 0 0 RES, 0, 5%, 0.1 W, 0603 0603 CRCW06030000Z0EA Vishay-Dale

R6, R7, R8, R9, R10, R11,

R12, R13, R14, R15, R16,

R17, R18, R19, R20, R21,

R22, R23, R24, R25

0 49.9 RES, 49.9, 1%, 0.063 W, 0402 0402 RC0402FR-0749R9L Yageo America

STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES

1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or

documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein.

Acceptance of the EVM is expressly subject to the following terms and conditions.

1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility

evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not

finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For

clarification, any software or software tools provided with the EVM (“Software”) shall not be subject to the terms and conditions

set forth herein but rather shall be subject to the applicable terms and conditions that accompany such Software

1.2 EVMs are not intended for consumer or household use. EVMs may not be sold, sublicensed, leased, rented, loaned, assigned,

or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production

system.

2Limited Warranty and Related Remedies/Disclaimers:

2.1 These terms and conditions do not apply to Software. The warranty, if any, for Software is covered in the applicable Software

License Agreement.

2.2 TI warrants that the TI EVM will conform to TI's published specifications for ninety (90) days after the date TI delivers such EVM

to User. Notwithstanding the foregoing, TI shall not be liable for any defects that are caused by neglect, misuse or mistreatment

by an entity other than TI, including improper installation or testing, or for any EVMs that have been altered or modified in any

way by an entity other than TI. Moreover, TI shall not be liable for any defects that result from User's design, specifications or

instructions for such EVMs. Testing and other quality control techniques are used to the extent TI deems necessary or as

mandated by government requirements. TI does not test all parameters of each EVM.

2.3 If any EVM fails to conform to the warranty set forth above, TI's sole liability shall be at its option to repair or replace such EVM,

or credit User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the

warranty period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to

repair or replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall

be warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day

warranty period.

3Regulatory Notices:

3.1 United States

3.1.1 Notice applicable to EVMs not FCC-Approved:

This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit

to determine whether to incorporate such items in a finished product and software developers to write software applications for

use with the end product. This kit is not a finished product and when assembled may not be resold or otherwise marketed unless

all required FCC equipment authorizations are first obtained. Operation is subject to the condition that this product not cause

harmful interference to licensed radio stations and that this product accept harmful interference. Unless the assembled kit is

designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must operate under the authority of

an FCC license holder or must secure an experimental authorization under part 5 of this chapter.

3.1.2 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

NOTE: 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.

SPACER

FCC Interference Statement for Class B EVM devices

NOTE: 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.

3.2 Canada

3.2.1 For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210

Concerning EVMs Including Radio Transmitters:

This device complies with Industry Canada license-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.

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.

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 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.

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

3.3 Japan

3.3.1 Notice for EVMs delivered in Japan: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 日本国内に

輸入される評価用キット、ボードについては、次のところをご覧ください。

http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page

3.3.2 Notice for Users of EVMs Considered “Radio Frequency Products” in Japan: EVMs entering Japan may not be certified

by TI as conforming to Technical Regulations of Radio Law of Japan.

If User uses EVMs in Japan, not certified to Technical Regulations of Radio Law of Japan, User is required by Radio Law of

Japan to follow the instructions below with respect to EVMs:

1. Use EVMs 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 EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to

EVMs, or

3. Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan

with respect to EVMs. Also, do not transfer EVMs, unless User gives the same notice above to the transferee. Please note

that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan.

SPACER

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