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Modular MSOP8 EVM

September 2003

Data Acquisition

User’s Guide

SLAU115

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Содержание Modular MSOP8

Страница 1: ...Modular MSOP8 EVM September 2003 Data Acquisition User s Guide SLAU115 ...

Страница 2: ...titute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of information in TI data books or data sheets is permissible only if reproduction ...

Страница 3: ... handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR A...

Страница 4: ...output If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 30 C The EVM is designed to operate properly with certain components above 85 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching t...

Страница 5: ...s document contains the following chapters Chapter 1 EVM Overview Chapter 2 Analog Interface Chapter 3 Digital Interface Chapter 4 Power Supplies Chapter 5 EVM Operation Chapter 6 EVM Bill of Materials and Schematic Information About Cautions and Warnings This book may contain cautions and warnings This is an example of a caution statement A caution statement describes a situation that could poten...

Страница 6: ...BAS226 Application Notes Additional Literature Literature Number Op Amps for Everyone SLOD006 5 6K Interface Board SLAU104 Single and Bipolar Supply Signal Conditioning Boards SLAU105 Third Party Tools Vendor Website HPA449 Development Board MSP430 Tools www softbaugh com Speedy 33 DSP Tools www hyperception com FCC Warning This equipment is intended for use in a laboratory test environment only I...

Страница 7: ...n 4 2 4 3 Reference Voltage 4 2 5 EVM Operation 5 1 5 1 Analog Input 5 2 5 2 Digital Control 5 2 5 3 Chip Select Shut Down 5 2 5 4 Digital I O Buffers 5 2 5 5 Default Jumper Locations 5 2 6 EVM BOM and Schematic 6 1 6 1 EVM Schematic 6 2 Tables 2 1 Analog Interface Pin Out 2 1 3 1 Digital Interface Pin Out 3 1 4 1 Power Supply Pin Out 4 1 5 1 List of Jumpers 5 2 6 1 Bill of Materials 6 1 ...

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Страница 9: ...1 1 EVM Overview EVM Overview The following section gives a general overview of the Modular MSOP8 evaluation board Topic Page 1 1 Features 1 2 1 2 Introduction 1 2 Chapter 1 ...

Страница 10: ...n Module is an updated version of the Burr Brown DEM MSOP8 evaluation board The EVM is designed so that a single printed wiring board PWB supports a variety of high speed 12 and 16 bit serial ADC s The modular EVM form factor allows for direct evaluation of the ADC s performance and operating characteristics This EVM is compatible with the 5 6K Interface Board SLAU104 from Texas Instruments and ad...

Страница 11: ... Table 2 1 Analog Interface Pin Out Pin Number Signal Description J1 2 AD_IN Noninverting Input Differential Devices Analog Input Single Ended Devices J1 4 AD_IN Inverting Input Differential Devices Analog Ground Single Ended Devices J1 6 Unused J1 8 Unused J1 10 Unused Pins are unused and should be left open for use with future amplifier and sensor J1 12 Unused Pins are unused and should be left ...

Страница 12: ...2 2 ...

Страница 13: ...Consult Samtec at www samtec com or 1 800 SAMTEC 9 for a variety of mating connector options Table 3 1 Digital Interface Pin Out Pin Number Signal Description J2 1 CS Chip Select Active low signal enables data transfer jumper configurable see schematic J2 3 SCLK Serial Clock J2 5 SCLKR Serial Clock Return for DSP Host systems J2 7 FS Frame Sync for DSP host systems alternate Chip Select through JM...

Страница 14: ...3 2 ...

Страница 15: ... DAP Interface boards J3 provides connection to the common power bus described in document SLAU104 Table 4 1 shows the pin out of J3 Table 4 1 Power Supply Pin Out Signal Pin Number Signal Unused 1 2 Unused 5VA 3 4 Unused DGND 5 6 AGND 1 8VD 7 8 VD1 3 3VD 9 10 5VD When power is supplied to J3 JMP3 allows for one of four different dc voltages to be applied to the digital sections of the ADC See the...

Страница 16: ... requirements Check the appropriate data sheets and verify all power supplies are within the safe operating limits of the ADC before applying power to the EVM 4 3 Reference Voltage The modular MSOP8 can be configured to use the onboard reference buffer circuits U2 and U4 or an external reference applied to J1 20 Jumpers JMP5 and JMP6 control the reference source In the factory default position shu...

Страница 17: ... information in the analog input digital control and general operating conditions of the Modular MSOP8 EVM Topic Page 5 1 Analog Input 5 2 5 2 Digital Control 5 2 5 3 Chip Select Shut Down 5 2 5 4 Digital I O Buffers 5 2 5 5 Default Jumper Locations 5 2 Chapter 5 ...

Страница 18: ...unt jumper between pins 1 2 of JMP2 This allows the Frame Sync FS signal from DSP host systems to be used as a chip select for the ADC This signal originates from J2 7 When JMP2 is moved to pins 2 3 the CS SHDN signal is applied via J2 1 5 4 Digital I O Buffers Single gate buffers U3 U5 and U6 are provided to ensure the safe operation of the modular MSOP8 EVM with low voltage host controllers The ...

Страница 19: ...ow SMT socket 20 positive Samtec SSW 110 22 F D VS K J3 bottom side 5 Pin dual row SMT socket 10 posotove Samtec SSW 105 22 F D VS K R9 R10 R12 33 Ω 0805 5 1W Resistor Yageo America 9C08052A33R0JLHFT R1 R2 R3 R4 R6 0 Ω 0805 0 1 W resistor Yageo America 9C08052A0R00JLHFT TP1 TP2 TP3 TP5 TP7 Red test point loop Keystone 5001 TP4 TP6 Black test point loop Keystone 5000 U1 Varies see Note U2 REF3025 T...

Страница 20: ...EVM Schematic 6 2 6 1 EVM Schematic The schematic diagram is provided as a reference ...

Страница 21: ... J3 5Va SCLK CS SDO REF REF CS SHDN 5 REF 1 GND 4 IN 2 IN 3 Vcc 8 DCLOCK 7 SDO 6 U1 3 4 1 5 2 U4 OPA353N R12 33 C6 10uF VIN 1 GND 3 OUT 2 U2 REF3025 C1 0 47uF 5Va R4 0 ohm R6 0 ohm C10 10uF VREF AD_IN AD_IN 5 3 U5 SN74LVC1G125 5 3 U6 SN74LVC1G125 TP3 TP1 TP5 TP7 TP4 TP6 R1 0 ohm C4 NI C2 NI C3 NI L1 15uF JMP1 V i o V i o V i o V adc JMP2 LVa V i o 5Vd 3 3Vd 1 2 3 4 5 6 7 8 JMP3 1 8Vd VD1 AGND DGND...

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