Analog Devices EVAL-AD7730LEB Скачать руководство пользователя страница 8 | Manualshive

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EVAL-AD7730LEB

REV. B

8

Figure 7. AD7730L Evaluation Board Circuit Diagram

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Содержание EVAL-AD7730LEB

Страница 1: ...ection should be made to the board This connection should be made to the board s AGND input terminal Both supplies are decoupled to their respective ground plane with 10µF tantalum and 0 1µF ceramic disc capacitors REV B InformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable However noresponsibilityisassumedbyAnalogDevicesforitsuse norforany infringements of patents or other rights o...

Страница 2: ...ck in a data transfer is from a high to a low This link should be in position A when operating with the evaluation board software With this link in position B the POL pin of the AD7730L is connected to a logic low With this input low the first transition of the serial clock in a data transfer is from a low to a high LK5 This link option is used to select the reference source for the AD7730L s REF ...

Страница 3: ...tput This is a buffered version of the signal on the AD7730L s DOUT pin 8 DVDD Digital Supply Voltage The DVDD voltage for the evaluation board can be supplied via this pin provided no voltage is applied to the main DVDD terminal 9 SYNC Logic Input The signal on this pin is buffered before being applied to the SYNC pin of the AD7730L NOTE 1 An explanation of the AD7730L functions mentioned here is...

Страница 4: ...input allows for synchronisation of the digital filters and analog modulators across a number of AD7730Ls WhileSYNC is low the nodes of the digital filter the filter control logic and the calibration control logic are reset and the analog modulator is also held in its reset state 7 8 NC No Connect These pins are not connected on the evaluation board 9 DVDD Digital Supply Voltage This provides the ...

Страница 5: ...the user must have an IBM compatible PC and Windows 3 1 must be installed Start Windows and using either the RUN command or the File Manager start the program called SETUP EXE on the distribution disk This automatically installs the application and sets up a window called ANALOG DEVICES The application ICON is found here To start the application double click on the ICON When the program starts the...

Страница 6: ...nalysis The data to be read can either be in decimal or hexadecimal format Write to File This button allows the user to store of output data from the AD7730L to a file in either decimal or hexadecimal format This data can be used in other programs or can subsequently be read back to the AD7730L software Select Printer Port This button allows the user to select the printer port to which the AD7730L...

Страница 7: ...EVAL AD7730LEB REV B 7 Figure 6 Mode Register Screen Figure 5 Program Screen ...

Страница 8: ...EVAL AD7730LEB REV B 8 Figure 7 AD7730L Evaluation Board Circuit Diagram ...

Страница 9: ... 5 0 25W 10kΩ 5 0 25W R6 R7 R8 Bourns 1MΩ 5 0 25W R9 Bourns Link Options Switches Sockets Component Location Vendor Pin Headers Lk1 4x2 way Harwin Mftrs No M20 9993606 Lk2 Lk3 Lk4 2x2 way Lk5 3x2 way Lk6 Lk7 Lk8 Lk9 Lk10 Lk11 1x2 way Shorting Plugs Pin Headers 12 required Harwin Mftrs No M7571 05 Push Button Switch SW1 Omron Mftrs No B3F1000 Miniature BNC Connectors SKT3 SKT11 ITT Sealectro Mftrs ...

Страница 10: ...EVAL AD7730LEB REV B 10 Figure 8 Component Layout diagram ...

Страница 11: ...EVAL AD7730LEB REV B 11 Figure 9 Component Side Artwork Diagram ...

Страница 12: ...EVAL AD7730LEB REV B 12 Figure 10 Solder Side Artwork Diagram ...

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