Texas Instruments ADS7861 EVM Скачать руководство пользователя страница 10 | Manualshive

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Texas Instruments ADS7861 EVM Скачать руководство пользователя страница 10

Features

1-2

1.1

Features

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Full-featured evaluation board for the ADS7861 and ADS8361, dual,
500-kSPS, 12-bit/16-bit, serial output, 2+2 analog input, simultaneous
sampling analog-to-digital converter

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Analog inputs can be configured as single-ended or differential

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Built-in reference

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High-speed serial interface

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Содержание ADS7861 EVM

Страница 1: ...October 2002 Data Acquisition Products User s Guide SLAU094...

Страница 2: ...t that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in wh...

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 r...

Страница 4: ...tput 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...

Страница 5: ...apter 1 EVM Overview Chapter 2 Analog Interface Chapter 3 Digital Interface Chapter 4 Power Supplies Chapter 5 EVM Operation Chapter 6 Bill of Materials and EVM Schematic Related Documentation From Te...

Страница 6: ...rsuant to subpart J of part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other en vironments may cause interf...

Страница 7: ...erface 3 1 3 1 Additional Control Options 3 2 4 Power Supplies 4 1 4 1 Reference Voltage 4 2 5 EVM Operation 5 1 6 Bill of Materials and EVM Schematic 6 1 Tables 2 1 Header Socket J1 Description 2 1 3...

Страница 8: ...Contents vi...

Страница 9: ...re divided into two pairs A and B The ADS7861 and ADS8361 accept an analog input voltage in the range of VREF to VREF 5 Vp p centered on the internal 2 5 V reference The part also ac cepts bipolar inp...

Страница 10: ...oard for the ADS7861 and ADS8361 dual 500 kSPS 12 bit 16 bit serial output 2 2 analog input simultaneous sampling analog to digital converter Analog inputs can be configured as single ended or differe...

Страница 11: ...mating connector options Table 2 1 Header Socket J1 Description Pin Number Signal Description J1 2 B1 Noninverting input channel B1 J1 4 B1 Inverting input channel B1 J1 6 B0 Noninverting input channe...

Страница 12: ...2 2...

Страница 13: ...a variety of mating connector options Table 3 1 Header Socket J2 Description Pin Number Signal Description J2 1 CS Chip select Active low signal enables data transfer and device configuration J2 3 SCL...

Страница 14: ...efault The jumper shunts supplied with the EVM can be used to set these signals to logic low These signals can also be connected to control signals in the users system Table 3 2 Header J5 Description...

Страница 15: ...located on J3 and 2 7 V to 5 5 V dc for the digital supply located on J4 An alternate power source can be applied via J6 located on the bottom side of the printed circuit board If a variable digital s...

Страница 16: ...nfigured to use its internal reference or external reference source through jumper W1 see schematic for details If an external reference is desired the shunt jumper on W1 should cover pins 2 and 3 The...

Страница 17: ...l analog interface modules Jumper W2 is provided to allow separation of the convert start CONVST and read RD signals The factory default condition for the EVM is to place a shunt jumper between pin 1...

Страница 18: ...5 2...

Страница 19: ...10 Pin dual row SMT header 20 Position Samtec TSM 110 01 T DV P J1B J2B bottom side 10 Pin dual row SMT socket 20 Position Samtec SSW 110 22 F D VS K J3 J4 2 Terminal screw connector OST ED1514 J5 4 P...

Страница 20: ...DS8361E DVdd C15 0 1uF C20 0 01uF W2 C13 0 1uF C17 10uF C16 0 1uF C18 10uF FB1 FB2 R1 49 9 R2 49 9 C1 100pF C2 100pF C9 1nF R3 49 9 R4 49 9 C3 100pF C4 100pF C10 1nF R5 49 9 R6 49 9 C5 100pF C6 100pF...

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