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EVAL-AD7766/66-1/66-2

Preliminary Technical Data

Rev. PrB | Page 12 of 24

EVALUATION BOARD SCHEMATICS AND ARTWORK

AD7766/-1/-2 schematics, silkscreen, and layout

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Figure 9. AD7766/-1/-2 Evaluation Board Circuit Diagram Page 1 of 5.

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Содержание AD7766

Страница 1: ...EVAL CED1Z GENERAL DESCRIPTION This data sheet describes the evaluation board for the AD7766 AD7766 1 AD7766 2 which are 24 bit single channel oversampled successive approximation SAR ADCs These parts...

Страница 2: ...Supplies 3 Link Options 3 Sockets 6 Connectors 6 Operating with the CED 6 Evaluation Board Software 7 Installing the Software 7 Setting Up the EVAL CEDZ 7 USing the evaluation System 9 Hardware connec...

Страница 3: ...unction Default This link option is used to select the source of the V voltage which is used to power the evaluation board When using the ADA4841 amplifiers the evaluation board must be supplied with...

Страница 4: ...k to the MCLK pin a 1Mhz MCLK signal allows the AD7766 1 2 devices to operate with an output data rate of 128 kHz 64 kHz and 32 kHz respectively Placing 1K resistors in positions R43 and R23 allows th...

Страница 5: ...point created at the 2 5V DVDD supply In this case eliminate the two potential dividers R9 R11 and R10 R12 which are set by default on the AD7766 1 2 board Also ensure that the resistive link R39 und...

Страница 6: ...of an external CS input SYNC PD J10 Subminiature BNC socket allowing application of an external SYNC PD input The SYNC PD pin can be controlled using an external source or using the software front pan...

Страница 7: ...the onscreen instructions that appear automatically This installs the drivers for the CED on the PC If an error appears on screen when the software is first opened then the PC is not recognizing the...

Страница 8: ...4 To start the installation click the Next button as shown in Figure 5 This window details the actions of the installation Figure 5 AD7766 1 2 Install actions 5 On completion of the installation the w...

Страница 9: ...s Picture Saves the displayed screen plot i e waveform histogram FFT File Exit Closes the software Edit Reinitialize Values to Default Reinitializes all the controls on the front panel to their defaul...

Страница 10: ...shown in Continuous mode is not sequential data The mode is designed so that the user can see multiple sets of samples without having to constantly click the Sample button The Data Capture Tab has the...

Страница 11: ...Preliminary Technical Data EVAL AD7766 66 1 66 2 Rev PrB Page 11 of 24 Figure 8 Data Capture AD7766 AD7766 1 AD7766 2 tab...

Страница 12: ...6 66 1 66 2 Preliminary Technical Data Rev PrB Page 12 of 24 EVALUATION BOARD SCHEMATICS AND ARTWORK AD7766 1 2 schematics silkscreen and layout Figure 9 AD7766 1 2 Evaluation Board Circuit Diagram Pa...

Страница 13: ...Preliminary Technical Data EVAL AD7766 66 1 66 2 Rev PrB Page 13 of 24 Figure 10 AD7766 1 2 Evaluation Board Circuit Diagram Page 2 of 5...

Страница 14: ...EVAL AD7766 66 1 66 2 Preliminary Technical Data Rev PrB Page 14 of 24 Figure 11 AD7766 1 2 Evaluation Board Circuit Diagram Page 3 of 5...

Страница 15: ...Preliminary Technical Data EVAL AD7766 66 1 66 2 Rev PrB Page 15 of 24 Figure 12 AD7766 1 2 Evaluation Board Circuit Diagram Page 4 of 5...

Страница 16: ...EVAL AD7766 66 1 66 2 Preliminary Technical Data Rev PrB Page 16 of 24 Figure 13 AD7766 1 2 Evaluation Board Circuit Diagram Page 5 of 5...

Страница 17: ...Preliminary Technical Data EVAL AD7766 66 1 66 2 Rev PrB Page 17 of 24 Figure 14 AD7766 66 1 66 2 Evaluation Board Top Silkscreen Figure 15 AD7766 66 1 66 2 Evaluation Board Layer 1...

Страница 18: ...EVAL AD7766 66 1 66 2 Preliminary Technical Data Rev PrB Page 18 of 24 Figure 16 AD7766 66 1 66 2 Evaluation Board Layer 2 Figure 17 AD7766 66 1 66 2 Evaluation Board Layer 3...

Страница 19: ...reliminary Technical Data EVAL AD7766 66 1 66 2 Rev PrB Page 19 of 24 Figure 18 AD7766 66 1 66 2 Evaluation Board Layer 4 Solder side view Figure 19 AD7766 66 1 66 2 Evaluation Board Bottom Silkscreen...

Страница 20: ...7R Multilayer Ceramic Capacitor Phycomp FEC 722170 C18 0 1uF 16V X7R Multilayer Ceramic Capacitor Epcos FEC 753567 C19 0 1uF 16V X7R Multilayer Ceramic Capacitor Epcos FEC 753567 C20 n a 50V NPO Multi...

Страница 21: ...apacitor n a Do not insert C74 100pF 50V X7R Multilayer Ceramic Capacitor Phycomp FEC 3019329 C75 0 1uF 16V X7R Multilayer Ceramic Capacitor Epcos FEC 753567 C77 10nF 50V X7R Multilayer Ceramic Capaci...

Страница 22: ...Pack Vero FEC 8731128 GND4 Black Testpoint Pack Vero FEC 8731128 GND5 Black Testpoint Pack Vero FEC 8731128 GND6 Black Testpoint Pack Vero FEC 8731128 GND7 Black Testpoint Pack Vero FEC 8731128 GND8...

Страница 23: ...603 SMD Resistor Multicomp FEC 9331662 R31 51r 0 10 0603 SMD Resistor Holsworthy Tyco FEC 4627623 R32 51r 0 10 0603 SMD Resistor Holsworthy Tyco FEC 4627623 R33 10k 1 0603 SMD Resisitor Multicomp FEC...

Страница 24: ...nalog Devices ADP3330ARTZ 2 5 U12 7408 Quad 2 input Pos And Gate Fairchild Semi FEC 1102978 V TESTPOINT Red Testpoint Vero FEC 8731144 Pack V TESTPOINT Red Testpoint Vero FEC 8731144 Pack VDRIVE_REG T...

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