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This user's guide describes the characteristics, operation, and use of the
ADS1241MEVM. This EVM is a 24-bit analog-to-digital converter evaluation module. A
complete circuit description, schematic diagram, and bill of materials are included.
The following related documents are available through the Texas Instruments web site
at www.ti.com.
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Reference Selection Options - S6 and S7
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Speedy33 is a trademark of Hyperception, Inc..
SBAU106 - October 2004
EVM-Compatible Device Data Sheets
Device
ADS1241
REF1004
OPA350
SN74LVC1G126
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Contents
List of Figures
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List of Tables
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User's Guide
SBAU106 - October 2004
ADS1241MEVM
Literature
Number
SBAS173
SBVS002
SBOS099
SCES224
ADS1241MEVM
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Summary of Contents for Texas Instruments ADS1241MEVM

  • Page 1: Table Of Contents

    ADS1241MEVM This user's guide describes the characteristics, operation, and use of the ADS1241MEVM. This EVM is a 24-bit analog-to-digital converter evaluation module. A complete circuit description, schematic diagram, and bill of materials are included. The following related documents are available through the Texas Instruments web site at www.ti.com.
  • Page 2: Evm Overview

    • Modular design for use with a variety of DSP and microcontroller interface boards Introduction The ADS1241MEVM is in Texas Instruments' modular EVM form factor, which allows direct evaluation of the ADS1241 performance and operating characteristics, and eases software development and system prototyping. This EVM is compatible with the 5-6K Interface Board (SLAU104) from Texas Instruments and additional third-party boards such as the HPA449 demonstration board from SoftBaugh, Inc.
  • Page 3: Digital Interface

    J2.19 RESET Resets ADS1241 device J2.20 C bus data line Power Supplies J3 provides connection to the common power bus for the ADS1241MEVM. Power is supplied on the pins listed in Table Table 3. Power Supply Pinout Signal Pin Number...
  • Page 4 ADS1241. An external reference may be supplied through J1 pin 20 on the ADS1241MEVM. A 2.5V reference is provided on the EVM for convenience, or the supply voltage may also be used as the device reference voltage. These different reference...
  • Page 5: Evm Operation

    EVM Operation EVM Operation The following section provides information on the analog input, digital control, and general operating conditions of the ADS1241MEVM. Refer to Figure 1 for switch and jumper locations, and the meanings of left, middle, and right for switch settings in the following discussion.
  • Page 6 The digital control signals can be applied directly to J2 (top or bottom side). The modular ADS1241MEVM can also be connected directly to a DSP or microcontroller interface board, such as the HPA449. For a current list of compatible interface and/or accessory boards for the EVM or the ADS1241, see the relevant product folder on the TI web site.
  • Page 7: Evm Bill Of Materials And Schematic

    EVM Bill of Materials and Schematic EVM Bill of Materials and Schematic The following table contains a complete bill of materials for the modular ADS1241MEVM. Table 7. ADS1241MEVM Bill of Materials Reference Designator Description Manufacturer Mfg. Part Number R3, R4, R5, R6, R7, R8, R9, 0Ω...
  • Page 8 1U 16V X7R POWERHDR DATA ACQUISITION PRODUCTS HIGH-PERFORMANCE ANALOG DIVISION SEMICONDUCTOR GROUP 6730 SOUTH TUCSON BLVD., TUCSON, AZ 85706 USA TITLE ENGINEER M. ASHTON ADS1241MEVM DRAWN BY M. ASHTON DOCUMENT CONTROL NO. 6462007 SIZE DATE 22-Sep-2004 SHEET FILE D:\ads1241mevm\ads1241mpm.ddb - ads1241mevm.sch...
  • Page 9 EVM IMPORTANT NOTICE Texas 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 EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use.
  • Page 10 TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any non-designated products in automotive applications, TI will not be responsible for any failure to meet such requirements. Following are URLs where you can obtain information on other Texas Instruments products and application solutions: Products...

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