Texas Instruments ADS8350EVM-PDK Скачать руководство пользователя страница 28 | Manualshive

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Bill of Materials, PCB Layout, and Schematics

Figure 29. ADS8350EVM PCB: Power Layer

Figure 30. ADS8350EVM PCB: Bottom Layer

7.3

Schematics

The schematics for the ADS8350EVM are appended to the end of this user's guide.

28

ADS8350EVM-PDK

SBAU218A – April 2014 – Revised October 2014

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Copyright © 2014, Texas Instruments Incorporated

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Содержание ADS8350EVM-PDK

Страница 1: ...hematic diagram and a bill of materials Throughout this document the terms demonstration kit evaluation board evaluation module are synonymous with the ADS8350EVM PDK The following related documents a...

Страница 2: ...eens 14 13 Windows 7 Driver Installation Warning 14 14 Simple Capture Card Device Driver Installation 15 15 Simple Capture Card Device Driver Completion 15 16 GUI Display Prompt 16 17 Open the ADS8350...

Страница 3: ...2350 Onboard OPA2836 205 MHz BW 1 mA quiescent current ADC operational amplifier input drivers 1 2 ADS8350EVM PDK Features USB port for computer interfacing Easy to use evaluation software for Windows...

Страница 4: ...tion Channel A inverted input The signal is routed through an JP1 2 AIN_A OPA836 in the inverting configuration Channel B inverted input The signal is routed through an JP2 2 AIN_B OPA836 in the inver...

Страница 5: ...n apply a bipolar input signal with 0 V common mode voltage To keep the OPA836 distortion as low as possible the input signal swing is limited from 2 3 V to 2 3 V as shown in Figure 2 Figure 2 Bipolar...

Страница 6: ...s REFIN_A and REFIN_B respectively The ADS8350EVM provides an onboard 2 5 V reference source REF5025 U5 buffered with a dual OPA2350 amplifier and routed through jumpers JP5 and JP6 By default the EVM...

Страница 7: ...el A J6 42 SDO_B Serial data output for channel B 3 1 Serial Peripheral Interface SPI The ADS8350 digital output is available in SPI compatible format which makes interfacing with microprocessors digi...

Страница 8: ...mpers Terminal Number Position Function Shunt 2 3 default Onboard 5 V AVDD analog supply selected JP12 External 5 V AVDD connected through two terminal Shunt 1 2 block J5 Open default Open sets onboar...

Страница 9: ...t installed on PCB board JP5 Closed Closed to connect onboard 2 5 V reference to REFIN_A JP6 Closed Closed to connect onboard 2 5 V reference to REFIN_B JP7 Short 2 3 Short 2 3 connects AINM_A to 2 5...

Страница 10: ...evision A This PDK kit version includes 1 microSD Card Verify the microSD memory card is installed on the simple capture card controller board ADS8350EVM PWB revision B This PDK kit version includes 2...

Страница 11: ...tively Figure 7 Bottom View of ADS8350EVM Rev B with microSD Card Installed The microSD cards are formatted from the factory with the necessary firmware files for the simple capture card controller bo...

Страница 12: ...S8350EVM board to the simple capture card controller board as Figure 8 shows Figure 8 Connecting ADS8350EVM Board to Simple Capture Card Controller Board Step 4 Connect the simple capture card control...

Страница 13: ...on installs the EVM GUI software and the required simple capture card device driver components 4 After the installer begins a welcome screen displays Click Next to continue 5 A prompt appears with the...

Страница 14: ...pt may appear with the Windows security message shown in Figure 13 Select Install this driver software anyway to install the driver required for proper operation of the software The drivers contained...

Страница 15: ...re card device driver as shown in Figure 14 and Figure 15 Step 2 A computer restart may be required to finish the software installation If prompted restart the PC to complete the installation Figure 1...

Страница 16: ...S8350 Adjust the ADS8350EVM settings when the EVM is not acquiring data During acquisition all controls are disabled and settings cannot be changed Settings on the ADS8350EVM correspond to settings de...

Страница 17: ...VM Settings as shown in Figure 17 Figure 17 Open the ADS8350EVM Settings Page 2 The ADS8350 dual simultaneous ADC requires reference voltages Vref_A and Vref_B present on pins REFIN A and REFIN_B resp...

Страница 18: ...s JP9 and JP10 on the ADS8350EVM Settings page of the GUI Figure 19 Bipolar or Unipolar Signal Jumper Settings Description on the GUI 6 4 Capturing Data with the ADS8350EVM PDK Access the Data Monitor...

Страница 19: ...ed to select a data block in the range of 1024 samples to 1 048 576 samples per channel This control provides a drop down list for values restricted to 2n where n is an integer SCLK This control sets...

Страница 20: ...and channel B in decimal data format Information such as the device name date and time the sampling frequency and number of samples of the data record are also stored In order to save any data captur...

Страница 21: ...ADC dynamic performance parameters such as signal to noise ratio SNR total harmonic distortion THD signal to noise and distortion ratio SINAD and spurious free dynamic range SFDR Figure 23 shows the...

Страница 22: ...ailable None no window weighting function applied use for coherent data Hanning Hamming Blackman Harris Exact Blackman Blackman Flat Top 4 Term Blackman Harris 7 Term Blackman Harris Low Sidelobe For...

Страница 23: ...peak noise The Mean column displays the average value of the data set The ENOB StDev column displays the effective number of bits of the converter as calculated from the standard deviation or RMS noi...

Страница 24: ...order to select the simple capture card interface mode of operation navigate to the GUI Settings page and select the SDCC Interface option on the Capture Mode drop down menu as shown in Figure 25 and...

Страница 25: ...0MW SOT23 PLVA659A 215 Semiconductors 10 2 J1 J2 Connector TH SMA TE Connectivity 142 0701 201 On Shore 11 1 J5 2 Terminal Block 3 5MM 2POS PCB ED555 2DS Technology Inc SAMTEC dual row right angle fem...

Страница 26: ...truments OPA2350EA OPA Very Low Power Rail to Rail Out 35 2 U3 U4 Texas Instruments OPA2836IDGS Negative Rail In VFB Op Amp 205MHz Low Noise Low Drift Precision Voltage 36 1 U5 Texas Instruments REF50...

Страница 27: ...s are not to scale These figures are intended to show how the board is laid out they are not intended to be used for manufacturing ADS8350EVM PCBs Figure 27 ADS8350EVM PCB Top Layer Figure 28 ADS8350E...

Страница 28: ...Power Layer Figure 30 ADS8350EVM PCB Bottom Layer 7 3 Schematics The schematics for the ADS8350EVM are appended to the end of this user s guide 28 ADS8350EVM PDK SBAU218A April 2014 Revised October 2...

Страница 29: ...d Section 5 2 changed ADS8350EVM rev B requirement to two microSD cards added Figure 7 10 Added Figure 7 11 Changed Table 6 J7 is installed for ADS8350EVM rev B added TP7 TP8 TP9 TP10 for ADS8350EVM r...

Страница 30: ...7 PIJP801 PIJP802 PIJP803 COJP8 PIJP901 PIJP902 COJP9 PIJP1001 PIJP1002 COJP10 PIR101 PIR102 COR1 PIR201 PIR202 COR2 PIR301 PIR302 COR3 PIR401 PIR402 COR4 PIR501 PIR502 COR5 PIR601 PIR602 COR6 PIR701...

Страница 31: ...202 COC52 PIC5301 PIC5302 COC53 PIC5401 PIC5402 COC54 PID101 PID102 PID103 COD1 PIJ501 PIJ502 COJ5 PIJ601 PIJ602 PIJ603 PIJ604 PIJ605 PIJ606 PIJ607 PIJ608 PIJ609 PIJ6010 PIJ6011 PIJ6012 PIJ6013 PIJ601...

Страница 32: ...ing the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repa...

Страница 33: ...essful communication This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna imped...

Страница 34: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Страница 35: ...REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE L...

Страница 36: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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