Texas Instruments ADS8555EVM-PDK Скачать руководство пользователя страница 22 | Manualshive

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7.2 Board Layout

shows the PCB layout for the ADS8555EVM.

Figure 7-1. Board Layout

Bill of Materials, Layout, and Schematics

22

ADS8555EVM-PDK Evaluation Module

SLAU298A – NOVEMBER 2009 – REVISED MAY 2021

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Copyright © 2021 Texas Instruments Incorporated

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Содержание ADS8555EVM-PDK

Страница 1: ... configuration is achieved through simple static digital input pins hardware mode or through communications to the SPI interface control register configuration in software mode This user s guide covers the circuit description schematic diagram and bill of materials for the ADS8555 circuit board This EVM hardware and software can also be used to support the ADS8556 ADS8557 and ADS8558 devices from ...

Страница 2: ...g the GUI 12 6 2 Jumper Settings for the ADS8555EVM 13 6 3 Modifying Hardware and Using Software to Evaluate Other Devices in the Family 14 6 4 EVM GUI Global Settings for ADC Control and Registers 15 6 5 Time Domain Display 16 6 6 Frequency Domain Display 17 6 7 Histogram Display 18 7 Bill of Materials Layout and Schematics 19 7 1 Bill of Materials 19 7 2 Board Layout 22 7 3 Schematics 23 8 Revis...

Страница 3: ...s Signal Source Included in kit ADS8555EVM PHI Board xx xxx x x x x xx xx xx xx xx ADS8555 GUI Signal Source 15V 15V GND Figure 1 1 System Connection for Evaluation 1 2 ADS8555EVM Features Six input channels connected to external single ended signals that are source applied to subminiature version A SMA connectors or headers Serial and parallel interface connects to the PHI controller via a 60 pin...

Страница 4: ...N_C 14 DB4 DCIN_B 13 DB5 DCIN_A 12 DB6 SCLK 11 DB7 HBEN DCEN 10 DB8 SDO_A 7 DB9 SDO_B 6 DB10 SDO_C 5 DB11 4 DB12 3 DB13 SDI 2 DB14 REFBUFEN 1 DB15 64 CONVST_A 23 CONVST_B 22 CONVS T_C 21 CH_A0 33 CH_A1 36 CS FS 19 RD 20 STBY 24 BUSY INT 18 HW SW 62 PAR SER 61 RANGE XCLK 27 REFEN WR 63 REFIO 51 RESET 28 WORD B YTE 29 CH_B0 39 CH_B1 42 CH_C0 45 CH_C1 48 REFC_A 54 REFC_B 56 REFC_C 58 ADS8555SPMR U2A ...

Страница 5: ...an be used to completely bypass the amplifier This diagram only shows one channel but this circuit is repeated six times For other channels see Figure 7 2 GND HVDD HVSS GND 1 00k R01 TP10 A0in 0 R03 1 00k R02 DNP GND 100pF C02 DNP 1 2 3 JP00 TP9 A0 GND GND 100nF C03 100nF C04 GND CH_A0 1 2 3 4 5 OPA209AIDBVR U00 24 9 R04 1000pF C01 AMP BYPS 1 2 3 4 5 J00 220pF C05 Figure 2 2 Amplifier Drive Circui...

Страница 6: ...PI The ADS8555 ADC uses SPI serial communication in mode 1 CPOL 0 and CPHA 1 Because the serial clock SCLK frequency can be as fast as 36 MHz the ADS8555EVM offers 47 Ω resistors between the controller and device to aid with signal integrity Typically in high speed SPI communication fast signal edges can cause overshoot these 47 Ω resistors slow down the signal edges in order to minimize signal ov...

Страница 7: ...2 GND MP3 GND MP4 J2 QTH 030 01 L D A EVM_ID_SDA EVM_ID_SCL EVM_ID_WP DB3 DCIN_C DB4 DCIN_B DB0 SEL_A DB1 SEL_B DB6 SCLK DB7 HBEN DCEN DB8 SDO_A DB9 SDO_B DB10 SDO_C DB11 DB12 DB13 SDI DB14 REFBUFEN DB15 1 2 3 4 5 6 J5 TSW 103 07 G D PAR SER HW SW REFEN WR WORD BYTE STBY RD CS FS BUSY INT RESET RANGE XCLK DB2 SEL_C DB5 DCIN_A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 17 19 21 23 25 27 29 31 16 18 20 22 ...

Страница 8: ...eet Figure 4 1 also shows how each supply has a light emitting diode LED monitor for quick verification that power is applied Green 1 2 D4 APT2012LZGCK HVSS HVDD GND GND HVSS HVDD AVDD Green 1 2 D5 APT2012LZGCK GND 6 65k R20 AVDD Green 1 2 D3 APT2012LZGCK BVDD Green 1 2 D6 APT2012LZGCK GND 6 65k R30 BVDD 10 0k R18 10 0k R19 GND D1 SMAJ15A GND D2 SMAJ15A GND 10µF C20 10µF C26 15V 15V 1 2 3 J1 Figur...

Страница 9: ...NSE 3 6P4V2 4 6P4V1 5 3P2V 6 GND 7 1P6V 8 0P8V 9 0P4V 10 0P2V 11 0P1V 12 EN 13 NR 14 IN 15 IN 16 NC 17 NC 18 NC 19 OUT 20 PAD 21 TPS7A4700RGWR U1 GND GND GND GND 0 R27 0 R26 DNP HVDD 0 R40 DNP 0 R36 25V 22uF C29 100k R29 1µF 25V C36 25V 10uF C30 0 R45 DNP 0 R39 0 R38 DNP 0 R37 DNP 0 R28 0 R25 OUT 1 NC 2 SENSE 3 6P4V2 4 6P4V1 5 3P2V 6 GND 7 1P6V 8 0P8V 9 0P4V 10 0P2V 11 0P1V 12 EN 13 NR 14 IN 15 IN...

Страница 10: ... in Figure 5 1 to complete the installation Figure 5 1 ADS8555 Software Installation Prompts As a part of the ADS8555EVM GUI installation a prompt with a Device Driver Installation as shown in Figure 5 2 appears on the screen Click Next to proceed Figure 5 2 Device Driver Installation Wizard Prompts Installing the ADS8555EVM Software www ti com 10 ADS8555EVM PDK Evaluation Module SLAU298A NOVEMBER...

Страница 11: ...me Engine Installation Verify that C Program Files x86 Texas Instruments ADS8555EVM is as shown in Figure 5 4 after these installations Figure 5 4 ADS8555EVM GUI Folder Post Installation www ti com Installing the ADS8555EVM Software SLAU298A NOVEMBER 2009 REVISED MAY 2021 Submit Document Feedback ADS8555EVM PDK Evaluation Module 11 Copyright 2021 Texas Instruments Incorporated ...

Страница 12: ...s takes a few seconds afterwards the AVDD and DVDD power supplies turn on 5 Connect the external 15 V power supplies and GND to J1 This connection generates the AVDD HVDD and HVSS supplies HVDD 12 V HVSS 12 V and AVDD 5 V 6 Connect the signal generator The default input range is 10 V or 10 Vpk A common input signal applied is a sinusoidal 1 kHz 9 9 Vpk signal with a 0 V offset This signal is adjus...

Страница 13: ...uts signals or if the amplifier is bypassed Choosing AMP connects the amplifier between each SMA connector JP00 JP05 and the ADC input The default amplifier configuration is noninverting gain 1 V V The amplifier gain configuration can be adjusted by soldering and desoldering different resistors Choosing the bypass configuration BYPS connects the SMA connectors directly to the ADC input JP06 INT EX...

Страница 14: ...talled When this procedure is successfully completed the status bar at the top of the software updates according to the device installed on the hardware Table 6 2 Compatible Devices DEVICE RESOLUTION PARALLEL DATA RATE SERIAL DATA RATE OTHER FEATURE ADS8555 16 630 450 Does not have partial power down mode ADS8556 16 630 450 ADS8557 14 670 470 ADS8558 12 730 500 Use tweezers to change position of s...

Страница 15: ...ich page is selected Also if Hardware mode is used the hardware input select pins on the device are set according the controls on the left hand side For example when in hardware mode if the Parallel Interface is selected than the PAR SER pin on the device is driven low by the PHI to select parallel interface mode Select Software_ mode to access the Register Map Config_ Select different Pages_ here...

Страница 16: ...ted in Figure 6 6 by using the Capture button The sample indices are on the x axis and there are two y axes showing the corresponding output codes as well as the equivalent analog voltages based on the specified reference voltage Switching pages to any of the analysis tools described in the subsequent sections causes calculations to be performed on the same set of data Figure 6 6 Time Domain Displ...

Страница 17: ...igate the effects of noncoherent sampling this discussion is beyond the scope of this document The 7 term Blackman Harris window is the default option and has sufficient dynamic range to resolve the frequency components of up to a 24 bit ADC The None option corresponds to not using a window or using a rectangular window and is not recommended Figure 6 7 Frequency Domain Display www ti com ADS8555E...

Страница 18: ...he input drive circuits the reference drive circuit the ADC power supply and the ADC itself is reflected in the standard deviation of the ADC output code histogram that is obtained by performing multiple conversions of a DC input applied to a given channel As shown in Figure 6 8 the histogram corresponding to a DC input is displayed on clicking the Capture button Figure 6 8 Histogram Display ADS85...

Страница 19: ... 10 µF 50 V 10 X7R AEC Q200 Grade 1 1206 CGA5L1X7R1H106K160AC TDK C39 C74 2 0 1uF CAP CERM 0 1 uF 50 V 10 X7R 0603 C0603C104K5RACTU Kemet C40 1 0 47uF CAP CERM 0 47 uF 25 V 10 X7R 0603 GRM188R71E474KA12D MuRata D1 D2 2 15V Diode TVS Uni 15 V 24 4 Vc 400 W 16 4 A SMA SMAJ15A Littelfuse D3 D6 4 Green LED Green SMD APT2012LZGCK Kingbright D7 1 3 6V Diode Zener 3 6 V 500 mW SOD 123 MMSZ4685T1G ON Semi...

Страница 20: ...V Panasonic R49 R50 R55 R56 R57 5 100k RES 100 k 1 0 0625 W 0402 RC0402FR 07100KL Yageo America S1 1 Switch Slide SPDT 100mA SMT CAS 120TA Copal Electronics SH JP00 SH JP06 7 1x2 Shunt 100mil Flash Gold Black SPC02SYAN Sullins Connector Solutions TP2 TP23 22 Test Point Miniature Black TH 5001 Keystone U00 U05 6 2 2 nV rtHz 18 MHz Precision RRO Operational Amplifier 4 5 to 36 V 40 to 125 degC 5 pin...

Страница 21: ... 0 1 00k RES 1 00 k 0 1 0 1 W 0603 RT0603BRB071KL Yageo America R9 R15 R17 R26 R37 R38 R40 R45 0 0 RES 0 5 0 063 W 0402 RC0402JR 070RL Yageo America TP1 0 Test Point Miniature Black TH 5001 Keystone www ti com Bill of Materials Layout and Schematics SLAU298A NOVEMBER 2009 REVISED MAY 2021 Submit Document Feedback ADS8555EVM PDK Evaluation Module 21 Copyright 2021 Texas Instruments Incorporated ...

Страница 22: ...yout for the ADS8555EVM Figure 7 1 Board Layout Bill of Materials Layout and Schematics www ti com 22 ADS8555EVM PDK Evaluation Module SLAU298A NOVEMBER 2009 REVISED MAY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 23: ... P GN D 100p F C42 DN P 1 2 3 JP0 4 TP13 C0 GN D GN D 100n F C43 100n F C44 GN D GN D HV DD HV S S GN D 1 00k R51 TP16 C1in 0 R53 1 00k R52 DN P GN D 100p F C52 DN P 1 2 3 JP0 5 TP15 C1 GN D GN D 100n F C53 100n F C54 GN D CH_A0 CH_A1 CH_B0 CH_B1 CH_C 0 CH_C 1 1 2 3 4 5 OPA209 AIDBVR U00 1 2 3 4 5 OPA209 AIDBVR U01 1 2 3 4 5 OPA209 AIDBVR U02 1 2 3 4 5 OPA209 AIDBVR U03 1 2 3 4 5 OPA209 AIDBVR U04...

Страница 24: ... 15V GN D 10 0 k R7 50V 10nF C17 50V 10nF C19 GN D 25V 10uF C16 GN D TP3 15V 25V 10uF C18 GN D 0 R5 0 R4 GN D GN D GN D GN D 0 R27 0 R26 DN P HVD D HVSS 15V 15 V 1 2 3 J1 0 R40 DN P 0 R36 25V 22uF C29 100k R29 1µF 25V C36 25V 10uF C30 0 R45 DN P 0 R39 0 R38 DN P 0 R37 DN P 0 R28 0 R25 OU T 1 NC 2 SEN SE 3 6P4V2 4 6P4V1 5 3P2V 6 GN D 7 1P6V 8 0P8V 9 0P4V 10 0P2V 11 0P1V 12 EN 13 NR 14 IN 15 IN 16 N...

Страница 25: ...49 9 R74 49 9 R73 49 9 R72 49 9 R71 BUSY INT HW SW REFEN WR STBY CS FS RD WORD BYTE PAR SER 1 2 3 4 5 6 J5 TSW 103 07 G D PAR SER HW SW REFEN WR WORD BYTE STBY RD CS FS BUSY INT RESET RESET RAN G E XCLK RAN G E XCLK DB2 SEL_ C DB5 DCIN_A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 17 19 21 23 25 27 29 31 16 18 20 22 24 26 28 30 32 J3 TSW 116 07 G D CH_A0 CH_B0 CH_C0 CH_A1 CH_B1 CH_C1 AVDD 26 AVDD 34 AVDD ...

Страница 26: ...es from Revision November 2009 to Revision A May 2021 Page Changed entire document because of substantial changes in EVM hardware and software 1 Revision History www ti com 26 ADS8555EVM PDK Evaluation Module SLAU298A NOVEMBER 2009 REVISED MAY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Страница 27: ...other than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control techniques are used to the extent TI deems necessary TI does not test all parameters of each EVM User s claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects...

Страница 28: ... These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation...

Страница 29: ...y for convenience and should be verified by User 1 Use EVMs in a shielded room or any other test facility as defined in the notification 173 issued by Ministry of Internal Affairs and Communications on March 28 2006 based on Sub section 1 1 of Article 6 of the Ministry s Rule for Enforcement of Radio Law of Japan 2 Use EVMs only after User obtains the license of Test Radio Station as provided in R...

Страница 30: ... any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees affiliates contractors or designees 4 4 User assumes all...

Страница 31: ...OR DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthermore no return of EVM s will be accepted if the package has been opened and no return of the EVM s will be accepted if they are damaged or otherwise not in a resalable condition If User feels it has...

Страница 32: ...s are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for and you wi...

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