National Semiconductor ADC12DC080 Скачать руководство пользователя страница 1 | Manualshive

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http://www.national.com

National

Semiconductor

July 27, 2011

Rev 0.10

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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Содержание ADC12DC080

Страница 1: ...11 Rev 0 10 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 ...

Страница 2: ...put 5 4 5 Data Format Duty Cycle Stabilizer 5 4 6 Power Supply Connections 5 5 0 Installing the ADC14C105 Evaluation Board 5 6 0 Hardware Schematic 6 7 0 Evaluation Board Layout 9 8 0 Evaluation Board Bill of Materials 13 A1 0 Operating in the Computer Mode 16 A2 0 Summary Tables of Test Points Connectors and Jumper Settings 16 A2 1 Test Points 16 A2 2 Connectors 16 A2 3 Jumper settings 16 A2 4 So...

Страница 3: ...cted to a personal computer through a USB port and running WaveVision5 software operating under Microsoft Windows The software can perform an FFT on the captured data upon command and in addition to a frequency domain plot shows dynamic performance in the form of SNR SINAD THD SFDR and ENOB The latest WaveVision hardware and software is available through the National Semiconductor website http www...

Страница 4: ...GA on the WaveVison5 Data Capture Board is not damaged 2 Connect a clean 5V power supply to pin 2 of Power Connector JR1 Pin 1 is ground 3 Connect a signal from a 50 Ohm source to connector J9 Channel A Be sure to use a bandpass filter before the Evaluation Board 4 Adjust the input signal amplitude as needed to ensure that the signal does not over range by examinining a histogram of the output dat...

Страница 5: ... stabilizer DCS are controlled by jumper JP17 Shorting pins 1 2 of JP17 sets the output format to 2 s complement with DCS Off Shorting pins 3 4 of JP17sets the output format to 2 s complement with DCS On Shorting pins 5 6 of JP17 sets the output format to offset binary with DCS On Shorting pins 7 8 of JP17 sets the output format to offset binary with DCS Off This is the default setting 4 6 Power S...

Страница 6: ...48 10uF 5V 3 1 2 L4 P NC D4 BAT54 U6 LP2988AIM 3 3 By pass 1 Delay 2 GND 3 Vin 4 Shutdown 8 Error 7 Sense 6 Vout 5 C58 0 01uF C47 4 7u C49 0 01uF C50 1uF C51 1uF C52 0 01uF 5V C53 0 01uF C54 1uF Vref b_B C55 1uF C56 0 01uF LATCH BYPASSING VD2 3 3V C100 22uF DB 0 13 L4 TP1 GND 1 TP2 GND 1 TP3 GND 1 TP4 GND 1 C5 1uF JP14 PD_A 1 2 C2 1uF R7 22 1 VA2 J1 External Clock 2 3 4 5 1 R3 1k R5 1k R8 49 9 C33...

Страница 7: ...07 100pF C108 1uF T2 ADT1 1WT 1 6 5 3 4 2 Vin_A R26 18 7 R30 18 7 Vin_A Vin_A R27 DNP R29 DNP C65 DNP C67 3 3pF Vin_B Vin_B R35 18 7 R38 18 7 Vin_B R34 DNP R37 DNP C77 DNP C79 3 3pF Vin_A T1 ADT1 1WT 1 6 5 3 4 2 C96 1uF J9 INPUT 2 3 4 5 1 J5 INPUT 2 3 4 5 1 VCOM_B R32 49 9 VCOM_B Vin_B C66 1uF R119 49 9 VCOM_A VCOM_A ...

Страница 8: ...A10 DAR12 DAR13 DA11 BUF_CLK DAR10 DBB3 DAR11 DA9 DAB0 DAB0 DA7 DA8 DAR5 R51 22 1 R47 22 1 DA6 DA3 DA4 DA5 DAR3 U8 74LCX162244 SO 1Y1 2 1Y2 3 1Y3 5 1Y4 6 2Y1 8 2Y2 9 2Y3 11 2Y4 12 3Y1 13 3Y2 14 3Y3 16 3Y4 17 4Y1 19 4Y2 20 4Y3 22 4Y4 23 1A4 43 1A3 44 1A2 46 1A1 47 2A4 37 2A3 38 2A2 40 2A1 41 3A4 32 3A3 33 3A2 35 3A1 36 4A4 26 4A3 27 4A2 29 4A1 30 1OE 1 4OE 24 3OE 25 2OE 48 GND 4 GND 10 GND 15 GND 2...

Страница 9: ...9 http www national com 7 0 Evaluation Board Layout Layer 1 Component Side ...

Страница 10: ...10 http www national com Layer 2 Ground ...

Страница 11: ...11 http www national com Layer 3 Power ...

Страница 12: ...12 http www national com Layer 4 Circuit Side ...

Страница 13: ...C39 C42 0 01uF Digi Key PCC2270CT C45 C103 13 3 C34 C40 C47 4 7u Digi Key PCC1842CT 14 12 C37 C38 C49 C52 C53 C56 0 01uF Digi Key PCC1784CT C57 C58 C84 C85 C88 C89 15 4 C64 C70 C76 C82 0 1uF Digi Key PCC2146CT 16 2 C65 C77 DNP 17 2 C67 C79 10pF Digi Key PCC2112CT 18 2 C105 C107 100pF Digi Key PCC101ACVCT 19 3 D2 D3 D4 BAT54 Digi Key BAT54 FDICT 21 3 JP14 JP16 JP66 Header2 Digi Key S1011E 22 1 JP17...

Страница 14: ...2988AIM 3 3 Digi Key LP2988AIM 3 3 53 1 U7 LP2988AIM 2 5 National LP2988AIM 2 8 54 2 U8 U9 74LCX162244 SO Mouser 74LCX162244MEA 55 1 U10 24C02 SO8 Mouser 511 M24C02 WMN6P 56 1 U11 NC7WV125 Mouser NC7WV125K8X 57 2 U12 U13 LM1117 TO 252 Digi Key LM1117DT ADJ Boards Boards Advanced Do Not Populate 58 1 Y1 Oscillator 4smd Pletronics SM7745DV 105 0M or SM7745DV 80 0M 47 4 TP1 TP2 TP3 TP4 GND 929647 09 ...

Страница 15: ...ww national com 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 ...

Страница 16: ...n the ADC14DC105 Evaluation Board TP1 4 Ground A2 2 Connectors JR1 Connector Power Supply Connections JR1 2 5V 5V Power Supply JR1 1 GND Power Supply Ground A2 3 Jumper settings Note Default settings are in bold JP14 Power Down Channel A Connect 1 2 ADC Channel A is powered down 1 2 OPEN ADC Channel A is operating JP16 Power Down Channel B Connect 1 2 ADC Channel B is powered down 1 2 OPEN ADC Cha...

Страница 17: ... NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or systems which a are intended for surgical implant into the body or b support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a significant injury to the user 2 A critical componen...

Страница 18: ...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 parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications and acknowledge and agre...

Страница 19: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments ADC14DC105LFEB NOPB ...

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