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Texas Instruments MSOP8 manual

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Table of contents for the manual

  • Page 1

    Modular M SOP8 E VM September 2003 Data Acquisition User ’ s G uide SLAU1 15[...]

  • Page 2

    IMPORT ANT NOTICE T exas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orde[...]

  • Page 3

    EVM IMPORT ANT NOTICE T exas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EV ALUA TION PURPOSES ONL Y and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of[...]

  • Page 4

    EVM W ARNINGS AND RESTRICTIONS It is important to operate this EVM within the input voltage range of 1.8 VDC to 5 VDC and the output voltage range of 0 VDC and 5 VDC. Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are questions concerning the input range, please contact a TI field [...]

  • Page 5

    -3 Read This First Preface Read This First About This Manual This user ’ s guide describes the characteristics, operation, and use of the Modular MSOP8 EVM. This EVM is a multi-device, 12 to 16 bit, SSI, analog to digital converter Evaluation Module. A complete circuit description, as well as schematic diagram and bill of materials, are included.[...]

  • Page 6

    -4 The information in a caution or a warning is provided for your protection. Please read each caution and warning carefully . Related Documentation From T exas Instruments T o obtain a copy of any of the following TI documents, call the T exas Instruments Literature Response Center at (800) 477 - 8924 or the Product Information Center (PIC) at (97[...]

  • Page 7

    -1 Contents Contents 1 EVM Overview 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Features 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Introduction 1-2 . . . [...]

  • Page 8

    -2[...]

  • Page 9

    1-1 EVM Overview EVM Overview The following section gives a general overview of the Modular MSOP8 evaluation board. T opic Page 1.1 Features 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Introduction 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 10

    Features 1-2 1.1 Features Full - featured evaluation board for a variety of single channel, eight pin Mi- cro SOP , 12 and 16-bit, serial Output, analog to digital converters On-board reference and buffer circuits High-speed serial interface Modular design for use with a variety of DSP and micro controller interface board s 1.2 Introduction The Mod[...]

  • Page 11

    2-1 Analog Interface Analog Interface For maximum flexibility , the Modular MSOP8 EVM is designed for easy interfacing to multiple analog sources. Samtec part numbers SSW -1 10-22-F-D-VS-K and TSM-1 10-01-T -DV -P provide a convenient 10-pin dual row header/socket combination at J1. This header/socket provides access to the analog input pins of the[...]

  • Page 12

    2-2[...]

  • Page 13

    3-1 Digital Interface Digital Interface The Modular MSOP8 EVM is designed for easy interfacing to multiple control platforms. Samtec part numbers, SSW-1 10-22-F-D-VS-K and TSM-1 10-01-T -DV -P , provide a convenient 10-pin dual row header/socket combination at J2. This header/socket provides access to the digital control an d serial data pins of th[...]

  • Page 14

    3-2[...]

  • Page 15

    4-1 Power Supplies Power Supplies The Modular MSOP8 EVM board requires 5 V dc for the analog section. This includes the voltage reference (U2), the reference buffer (U4), and optionally , the ADC installed on the EVM (via JMP1). Supply voltages of 1.8 V to 5 V dc for the digital section are also required. When used in combination with one of the DA[...]

  • Page 16

    ADC Power 4-2 4.1 ADC Power The device installed on the modular MSOP8 EVM has several options in regards to its power source. Refer to the schematic for the following discussion. JMP1 and JMP3 allow the user to select the power supply used by the ADC. When JMP1 is in the default factory position (Shunt on pins 1 - 2), power to the ADC comes from J3[...]

  • Page 17

    5-1 EVM Operation EVM Operation The following section provides information in the analog input, digital control, and general operating conditions of the Modular MSOP8 EVM. T opic Page 5.1 Analog Input 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.2 Digital Control 5-2 . . . . . . . . . . .[...]

  • Page 18

    Analog Input 5-2 5.1 Analog Input The analog input source can be applied directly to J1 (top or bottom side) or through optional amplifier and signal conditioning modules. The analog input range is dependent on the configuration of the EVM and the ADC installed at location U1. Consult the datasheet for the device to determine the maximum analog inp[...]

  • Page 19

    6-1 EVM BOM and Schematic EVM BOM and Schematic The following table contains a complete bill of materials for the modular MSOP8 EVM bill of materials. T able 6 - 1. Bill of Materials Designators Description Manufacturer Mfg. Part Number C2 C3 C4 C13 Not Installed R1 1 Not Installed C1 0.47 µ F , 0805, ceramic, X7R, 25 V , 10% Panasonic ECJ - 2YB1C[...]

  • Page 20

    EVM Schematic 6-2 6.1 EVM Schematic The schematic diagram is provided as a reference.[...]

  • Page 21

    1 2 3 4 A B C D 4 3 2 1 D C B A ti 12500 TI Blvd. Dallas, Texas 75243 Titl e: SHEET: OF: FILE: SIZE: DATE: REV: 31-Jul-2003 Revision History REV ECN Number Approved Drawn By : Engineer: SDO C8 10uF +5Va JMP5 JMP6 SCLK /CS C11 0.1uF C12 0.1uF R11 NI +V(i/o) JMP4 TP2 +5Va 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J1 1 2 3 4 5 6 7 8 9 10 11 1[...]