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dc2326af

DEMO MANUAL DC2326A

Linear Technology  Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417  

(408) 432-1900 

 

FAX

: (408) 434-0507 

 

www.linear.com

 

LINEAR TECHNOLOGY CORPORATION 2015

LT 0815 • PRINTED IN USA

DEMONSTRATION BOARD IMPORTANT NOTICE

Linear Technology Corporation (LTC) provides the enclosed product(s) under the following 

AS IS

 conditions:

This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for 

ENGINEERING DEVELOPMENT 

OR EVALUATION PURPOSES ONLY

 and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete 

in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety 

measures typically found in finished commercial goods. As a prototype, this product does not fall within the scope of the European Union 

directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.
If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual the kit may be returned within 30 days from the date 

of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY THE 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 THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR 

ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LTC from all claims 

arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all 

appropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant or 

agency certified (FCC, UL, CE, etc.).
No License is granted under any patent right or other intellectual property whatsoever. 

LTC assumes no liability for applications assistance, 

customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.

LTC currently services a variety of customers for products around the world, and therefore this transaction 

is not exclusive

.

Please read the DEMO BOARD manual prior to handling the product

. Persons handling this product must have electronics training and 

observe good laboratory practice standards. 

Common sense is encouraged

.

This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LTC applica-

tion engineer.

Mailing Address:

Linear Technology

1630 McCarthy Blvd.

Milpitas, CA 95035

Copyright © 2004, Linear Technology Corporation

Содержание LTC2345

Страница 1: ...l and SoftSpan are trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners assembly options Board Photo demonstrate DC performance such as peak to peak noise and DC linearity Use the DC890 if precise sampling rates are required or to demonstrate AC performance such as SNR THD SINAD and SFDR The DC2326A is intended to demonstrate recommended grou...

Страница 2: ...lp menu Updates can be downloaded from the Tools menu Check for updates periodically as new features may be added The PScope software should recognize the DC2326A and configure itself automatically Click the Collect button See Figure 3 to begin acquiring data The Collect button then changes to Pause which can be clicked to stop data acquisition dc590 dc2026 Quick Start Procedure IMPORTANT To avoid...

Страница 3: ...it is recommended for lower sample rates to divide down a higher frequency clock to the desired sample rate The ratio of clock frequency to conversion rate is shown in the Assembly Options table If theclockinputistobedrivenwithlogic itisrecommended that the 49 9Ω termination resistor R4 be removed Driving R4 with discrete logic may result in slow rising edges TheseslowrisingedgesmaycompromisetheSN...

Страница 4: ...Options button in the PScope tool bar shown in Figure 4 This will open the Configure Channels menu of Figure 5 In this menu it is possible to set the input signal range setting for each channel There is also a button to return PScope to the default DC2326A settings which are optimized for the default hardware settings of the DC2326A Thereareanumberofscenariosthatcanproducemislead ing results when ...

Страница 5: ...of a symmetricallayoutaroundtheanaloginputswillminimize theeffectsofparasiticelements Shieldanaloginputtraces with ground to minimize coupling from other traces Keep traces as short as possible Component Selection When driving a low noise low distortion ADC such as the LTC2345 component selection is important so as to not degrade performance Resistors should have low values to minimize noise and d...

Страница 6: ...6 dc2326af DEMO MANUAL DC2326A DC2326A Setup Figure 3 PScope Screen Shot Figure 4 PScope Tool Bar ...

Страница 7: ...7 dc2326af DEMO MANUAL DC2326A DC2326A Setup Figure 5 PScope Configuration Menu ...

Страница 8: ...8 dc2326af DEMO MANUAL DC2326A DC2326A Setup Figure 6 QuikEval Screen Shot Figure 7 QuikEval Configuration Menu ...

Страница 9: ... logic levels The default setting is CMOS Only CMOS is currently supported Definitions P1 DC890 interface is used to communicate with the DC890 controller J1 CLK provides the master clock for the DC2326A when interfaced to the DC890 J2 FPGA PROGRAM is used to program the FPGA This is for factory use only JP4 EEPROM is for factory use only The default posi tion is WP JP5 JP12 AIN0 AIN7 can be used ...

Страница 10: ...UDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the goods Further the user releases LTC from all claims arising from the handling or use of the goo...

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