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CDB5530U Folha de dados(PDF) 11 Page - Cirrus Logic |
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CDB5530U Folha de dados(HTML) 11 Page - Cirrus Logic |
11 / 20 page CDB5530U DS742DB1 11 are displayed in the Conversion Data box, as well as the Channel (always “1” for CS5530) and Overflow indicator bits for each conversion. The software will halt the data collection process when the user presses the Stop button. Configuration Register: In the Configuration Register box, the contents of the Configuration register are displayed, and can be modified by typing a hexadecimal value in the Hexadecimal: box, or by changing any of the values below the Hexadecimal: box to the desired settings. Note: When changing the value of the reset system bit to “1” (RS, bit 29 in the Configuration register), the part will be reset, and all registers will return to their default values. It is a good idea to select the Update Registers button after performing a reset to update the screen with the new register values. Offset / Gain Registers: In the Offset Registers / Gain Registers box, the contents of the offset and gain registers are displayed in hexadecimal. These registers can all be modified in the Calibration window, which is accessed when the user selects the Calibration Window button. Calibration Window: The Calibration window (Figure 6) permits the user to access the calibration regis- ters of the CS5530 and also perform system offset or gain calibrations. Prior to performing calibrations however, the Configuration register should be modified to configure the part for the desired operating mode (see Section 2.2.4, "Configuration Window" on page 13 for more details). Note that offset calibration should be performed before gain calibration to ensure accurate results. Refer to the CS5530 data sheet for more details. Figure 6. CDB5530U Calibration Window System Offset Calibrations: 1) Attach an input signal to the AIN± inputs that you want to calibrate as zero. Note that the grounded input must be within the common mode range of the amplifier for proper operation. 2) Activate the system offset calibration by pressing the System OFFSET button. 3) When the calibration is complete, the screen will automatically update the offset register with the new value. System Gain Calibrations: 1) Attach a full-scale input to the AIN± inputs of the CDB5530U. 2) Activate the system gain calibration by pressing the System GAIN button. 3) When the calibration is complete, the screen will automatically update the gain register with the new values. |
Nº de peça semelhante - CDB5530U |
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Descrição semelhante - CDB5530U |
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