Manuale d’uso / di manutenzione del prodotto MSOP8 del fabbricante Texas Instruments
Vai alla pagina of 21
Modular M SOP8 E VM September 2003 Data Acquisition User ’ s G uide SLAU1 15.
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.
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.
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.
-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.
-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.
-1 Contents Contents 1 EVM Overview 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Features 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-2.
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.
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.
2-1 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.
2-2.
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.
3-2.
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.
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.
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 . . . . . . . . . . . . . . . . . . . . . . . .
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.
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.
EVM Schematic 6-2 6.1 EVM Schematic The schematic diagram is provided as a reference..
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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Texas Instruments MSOP8 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Texas Instruments MSOP8 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Texas Instruments MSOP8 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Texas Instruments MSOP8 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Texas Instruments MSOP8, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Texas Instruments MSOP8.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Texas Instruments MSOP8. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Texas Instruments MSOP8 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.