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National Semiconductor
Evaluation Board User's Guide
ADC14DC105 Dual 14-Bit, 105MSPS A/D Converter
ADC14DC080 Dual 14-Bit, 80MSPS A/D Converter
ADC12DC105 Dual 12-Bit, 105MSPS A/D Converter
ADC12DC080 Dual 12-Bit, 80MSPS A/D Converter
© 2011 National Semiconductor Corporation.
1
July 27, 2011
http://www.national.com
Rev 0.10
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Summary of Contents for National Semiconductor ADC14DC105
- Page 1 July 27, 2011 Rev 0.10 National Semiconductor Evaluation Board User’s Guide ADC14DC105 Dual 14-Bit, 105MSPS A/D Converter ADC14DC080 Dual 14-Bit, 80MSPS A/D Converter ADC12DC105 Dual 12-Bit, 105MSPS A/D Converter ADC12DC080 Dual 12-Bit, 80MSPS A/D Converter © 2011 National Semiconductor Corporation.
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Page 2: Table Of Contents
Table of Contents 1.0 Introduction ............................3 2.0 Board Assembly ........................... 3 3.0 Quick Start ............................4 4.0 Functional Description ......................... 4 4.1 Analog Input .......................... 4 4.2 ADC reference circuitry ......................5 4.3 ADC clock circuit ........................5 4.4 Digital Data Output ....................... 5 4.5 Data Format/ Duty Cycle Stabilizer .................. -
Page 3: Introduction
SNR, SINAD, THD SFDR and ENOB. The the A/D Converters : ADC12DC080, ADC14DC080, latest WaveVision hardware and software is available ADC12DC105, or ADC14DC105. The ADC is one of a through the National Semiconductor website: family of 12 and 14 bit dual channel analog to digital http://www.national.com/appinfo/adc/wv4.html... -
Page 4: Quick Start
Connect the evaluation board to the applied. Examples of input networks are shown in WaveVision5™ Data Capture Board. NOTE: power Figures 3 and 4. The ADC14DC105 Evaluation Board to the WaveVision5 Data Capture Board should comes configured for input frequencies up to 70MHz as be applied before the power to the ADC14DC105 seen in Figure 4. -
Page 5: Adc Reference Circuitry
ADC. 4.2 ADC reference circuitry The ADC14DC105 can use an internal or external 1.2V If this board is used in conjunction with the the reference. This Evaluation Board is configured to use the WaveVision5™... -
Page 6: Hardware Schematic
VinA+ Vin_A- AGND Vref b_A Vref t_A Vin_A+ Vref t_A DA[0..13] Vref b_A Vref b_A VCOM_A Vcom_A DRDY DRDY .1uF ADC14DC105 VCOM_B Vcom_B DRGND .1uF Vref b_B DB13 Vref b_B DB13 DB[0..13] Vref b_B Vref t_B DB12 Vin_B+ Vref t_B... - Page 7 Vin_A- Vin_A- 18.7 10pF R117 49.9 3.3pF C105 C106 ADT1-1WT+ 100pF .1uF .1uF 18.7 .1uF Vin_A+ Vin_A+ INPUT 10pF 49.9 VCOM_A VCOM_A Vin_B+ Vin_B+ INPUT 18.7 10pF .1uF R119 3.3pF 49.9 C107 C108 ADT1-1WT+ 100pF .1uF 18.7 Vin_B- .1uF Vin_B- 10pF 49.9 VCOM_B...
- Page 8 22.1 DRDY 74LCX162244/SO 22.1 BUF_CLK DA[0..13] 4Y 4 4Y 3 DA13 22.1 DAR13 DAR13 22.1 DAB13 4Y 2 DA12 DAR12 DAR12 DAB12 22.1 22.1 4Y 1 DA11 22.1 DAR11 DAR11 22.1 DAB11 3Y 4 DA10 22.1 DAR10 DAR10 22.1 DAB10 3Y 3 DAR9 DAR9...
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Page 9: Evaluation Board Layout
7.0 Evaluation Board Layout Layer 1: Component Side http://www.national.com... - Page 10 Layer 2: Ground http://www.national.com...
- Page 11 Layer 3: Power http://www.national.com...
- Page 12 Layer 4: Circuit Side http://www.national.com...
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Page 13: Evaluation Board Bill Of Materials
8.0 Evaluation Board Bill of Materials Item Qty Reference Designator Value Vendor Part Number C2,C5,C22,C36,C50,C51, .1uF Digi-Key PCC1762CT C54,C55,C63,C75,C86,C87, C90,C91,C93,C96,C106, C108 Digi-Key PCC2224CT C8,C9,C11,C15,C23,C33, .1uF Digi-Key PCC2146CT C102 C10,C14 .1uF Digi-Key PCC2336CT C12,C13 Digi-Key PCC2268CT C16,C17 10uF Digi-Key 399-3683-1 22uF Digi-Key 399-3692-1 C19,C24,C35,C59,C100,... - Page 14 R61,R62,R63,R64,R65,R66, R67,R68,R69,R70,R75,R76, R77,R78,R79,R80,R81,R99, R100,R101,R102,R103,R104, R105 R120, Digi-Key P124HCT R124 Digi-Key P280HCT R121 Digi-Key P205HCT R123 Digi-Key P374HCT T5,T8,T11,T12 ETC1-1-13 ETC1-1-13 ADC14DC105 U5,U6 LP2988AIM-3.3 Digi-Key LP2988AIM-3.3 LP2988AIM-2.5 National LP2988AIM-2.8 U8,U9 74LCX162244/SO Mouser 74LCX162244MEA 24C02/SO8 Mouser 511-M24C02-WMN6P NC7WV125 Mouser NC7WV125K8X U12,U13 LM1117/TO-252...
- Page 15 JP32,JP33,JP34,JP35,JP36, JP37,JP38,JP39,JP40,JP41, JP42,JP43,JP44,JP45,JP46, JP47,JP48,JP49,JP50,JP51, JP52,JP53,JP54,JP55,JP56, JP57,JP58,JP59,JP60,JP61, JP62,JP63,JP67,JP68,JP69, JP70,JP71,JP72,JP75 http://www.national.com...
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Page 16: A1.0 Operating In The Computer Mode
APPENDIX A1.0 Operating in the Computer Mode The ADC14DC105 Evaluation Board is compatible with the WaveVision5™ Data Capture Board and WaveVision5™ software. You can download the latest version from: http://www.national.com/ When connected to the WaveVision5™ Board, data capture is easily controlled from a personal computer operating in the Windows environment. - Page 17 PURCHASE PRICE PAID, IF ANY. The ADC14DC105 Evaluation Boards are intended for product evaluation purposes only and are not intended for resale to end consumers, is not authorized for such use and is not designed for compliance with European EMC Directive 89/336/EEC, or for compliance with any other electromagnetic compatibility requirements.
- Page 18 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.
- Page 19 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments ADC14DC105LFEB/NOPB...
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