Texas Instruments ADS8861EVM-PDK User Manual Download | Manualshive

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Summary of Contents for ADS8861EVM-PDK

Page 1: ...ghter card MMB0 motherboard A to B USB cable and 6 V wall adapter power supply This user s guide covers the circuit description schematic diagram and bill of materials for the ADS8861EVM daughter card...

Page 2: ...ion 8 6 Plug In Installer 9 7 MMB0 Motherboard Jumper Configuration 10 8 ADS8861EVM Jumper Configuration 11 9 Loading EVM Plug in 12 10 ADS8861EVM Plug In Device Configuration Tab 13 11 ADCPro Test Pl...

Page 3: ...ftware User s Guide SBAU128 available for download from www ti com ADS8861EVM Daughter Board Features Includes support circuitry as a design example to match ADC performance 3 3 V slave serial periphe...

Page 4: ...MA analog inputs Table 2 SMA Analog Inputs Pin Number Signal Description Channel 0 negative differential input This pin can be grounded for single J4 A0 ended signals J5 A0 Channel 0 positive differen...

Page 5: ...ence voltage should be below 5 V because the EVM is powered by a 5 V analog supply This EVM uses a 4 5 V value created by the onboard REF5045 This value is then filtered by an RC filter with a 160 Hz...

Page 6: ...t start pin if JP3 is installed J2 4 J2 10 and J2 18 GND Digital ground connections I2 C bus used only used to program the U4 EEPROM on the J2 16 J2 20 I2 C bus EVM board J2 2 J2 5 6 J2 8 9 J2 11 12 U...

Page 7: ...V analog power supply connected to J3 3 The ADS8861 is limited to 3 6 V as an analog supply Therefore the board regulates down the 5 V analog supply with an onboard 3 3 V LDO TPS78833 4 2 Digital Pow...

Page 8: ...tialize conversions The rising edge of the chip select signal starts a conversion then after the conversion time the falling edge of chip select brings the digital output out of 3 state Figure 4 shows...

Page 9: ...Installing the ADCPro Software ADCPro is the primary program used to evaluate the ADS8861 ADCPro is available for download at www ti com tool adcpro Refer to the ADCPro User s Guide SBAU128 for detai...

Page 10: ...J13A to open and J13B to closed on the MMB0 as shown in Figure 7 Figure 7 MMB0 Motherboard Jumper Configuration J12 must be closed This setting allows the wall supply to power up the MMB0 and the ADS8...

Page 11: ...d verify that J12 is closed on the MMB0 motherboard 7 PDK Kit Operation The evaluation software is based on ADCPro This program operates using a variety of plug ins To use ADCPro load an EVM plug in a...

Page 12: ...Load the ADS886XEVM plug in from the ADCPro drop down EVM menu as shown in Figure 9 Note that only one EVM plug in can be loaded at a time If a different plug in is selected the previous plug in is u...

Page 13: ...CLK sets the clock frequency used by the SPI interface to capture data SCLK should be between 70 MHz to 80 MHz for 1 MSPS For slow sampling rates use 10 MHz Do not use SCLK frequencies between 30 MHz...

Page 14: ...ired test scenario press the Acquire button to start the data collection process the software collects the number of data points specified in the Test plug in Block Size control While acquiring data t...

Page 15: ...2 pin 100 Gold 1x2 Samtec TSW 102 07 L S 16 7 R1 R2 R20 R24 R26 R34 R36 Not Installed 17 4 1k R3 R4 R5 R6 Resistor Thin Film Chip 0 1 1 10W 0603 Panasonic ERA 3AEB102V 18 5 10 R7 R10 R22 Resistor Thi...

Page 16: ...ayouts are not to scale These figures are intended to show how the board is laid out these figures are not intended to be used for manufacturing ADS8861EVM PCBs Figure 12 ADS8861EVM PCB Top Layer Figu...

Page 17: ...aterials Schematics and Layout Figure 14 ADS8861EVM PCB Power Layer Figure 15 ADS8861EVM PCB Bottom Layer 17 SBAU214 October 2013 ADS8861EVM PDK Submit Documentation Feedback Copyright 2013 Texas Inst...

Page 18: ...of Materials Schematics and Layout www ti com 8 3 Schematic Figure 16 ADS8861EVM Schematic 18 ADS8861EVM PDK SBAU214 October 2013 Submit Documentation Feedback Copyright 2013 Texas Instruments Incorpo...

Page 19: ...o handling the product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI a...

Page 20: ...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...

Page 21: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments ADS8861EVM PDK...

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