CDB5451A Cirrus Logic Inc, CDB5451A Datasheet
CDB5451A
Specifications of CDB5451A
Related parts for CDB5451A
CDB5451A Summary of contents
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... V REF Preliminary Product Information http://www.cirrus.com General Description The CDB5451A is an inexpensive tool designed to eval- uate the functionality/performance of the CS5451A 6- channel A/D Converter. In addition to this data sheet, the CS5451A Data Sheet is required in conjunction with the CDB5451A Evaluation Board. Six terminal block connectors serve as inputs to the CS5451A’ ...
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... Figure 2. Analog Inputs .................................................................................................. 11 Figure 3. Digital Circuitry ................................................................................................ 12 Figure 4. Start-Up Window ............................................................................................. 14 Figure 5. Conversion Window ........................................................................................ 15 Figure 6. Data Collection Window (Time Domain) ......................................................... 16 Figure 7. Configuration Window ..................................................................................... 18 Figure 8. Data Collection Window (FFT) ........................................................................ 19 Figure 9. Data Collection Window (Histogram) .............................................................. 20 Figure 10.Silkscreen ........................................................................................................ 22 Figure 11.Circuit Side ...................................................................................................... 23 Figure 12.Solder Side ...................................................................................................... 24 2 CDB5451A DS458DB3 ...
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... The CDB5451A evaluation board provides a quick means of evaluating the CS5451A. Analysis soft- ware supplied with the CDB5451A allows the user to observe the CS5451A’s digital output data on the user’s PC monitor. The PC software allows the user to quantify the device’s performance in the time-domain and frequency domain ...
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... After this, operation of the PC software is described in detail. 4 2.2 Power Supply Connections The CDB5451A can be used in several different power supply configurations. Table 1 shows the various possible power connections with the re- quired jumper settings. There are various +3 V and +5 V options. The user must supply the +3V, +5V, GND, and sometimes -2V voltage levels needed to power the evaluation board ...
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... DS458DB3 2.3 Eval Board Control - Headers/Switches Table 2 lists the various adjustable headers and switches on the CDB5451A Evaluation Board, as well as their default settings (as shipped from the factory). The header settings can be adjusted by the user to select various options on the evaluation board. These options are described further in the following paragraphs ...
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... VIN1+ Set to BNC J9 IIN1- Set to BNC J12 IIN1- Set to BNC J10 SW1-2 Open (XIN/1024) GAIN SW1-1 Open (GAIN=x1) input pin VIN1- Set to BNC J11 VREFIN Set to on- chip reference Table 2. Default Header Settings CDB5451A Default Jumpers O O IIN3 AGND O O VIN3 AGND O ...
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... VREFIN pin, the evalu- ation board provides three voltage reference options: on-chip, on-board, and external. HDR14 as shown in Figure 1. Table 3 illustrates the available voltage reference settings for HDR14. With HDR14’s jumpers in position “VRE- CDB5451A Default Jumpers O O EXT XIN O O DGND ...
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... The bytes are sent to the DB25 connector (J17), and then through the standard printer cable to the user’s PC. This section briefly describes the oper- ation of the digital circuitry on the CDB5451A that provides the 8-bit parallel data to the PC. Refer to Figure 3. The user should recall from CS5451A Data Sheet that the serial interface on the CS5451A device is a “ ...
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... CDB5451A. The parallel cable attached to the CDB5451A Evalua- tion Board at J17. After connecting the parallel port cable between the PC and CDB5451A, the user should always actuate (press down on) the “ ” switch (S1) at least one time before per- RESET forming any other evaluation activities ...
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... R29 100 140 R31 10 BNC_RA 13 J GND GND GND R30 CDB5451A GND HDR9 HDR2X2 DS458DB3 ...
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... DS458DB3 CDB5451A ...
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... R6 GND 12 GND GND OPEN 10K R16 10K R33 CDB5451A 10K R5 10K R4 10K R1 GND GND GND DS458DB3 ...
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... After the Run-Time Engine user is prompted to enter the directory in which to install the CDB5451A software. Select OK to accept the default directory. 7) Once the program is installed, it can be run by double clicking on the EVL5451A icon, or through the Start menu. Note: The software is written to run with 640 x 480 resolution ...
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... CS5451A. This pin diagram is included for the user’s reference. Note that this window has no ac- tual functionality. The functionality of the Conversion Window and the Data Collection Window is described next. CDB5451A DS458DB3 ...
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... Therefore, the range of values that can be returned from the CS5451A are between -32768 and +32767. The CS5451A issues instantaneous da- ta, and every computation cycle, the software com- putes/displays the quantities which are described below: Figure 5. Conversion Window CDB5451A 15 ...
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... CS5451A and analyze them using time domain, FFT, and histogram plots. The Data Collection Window is accessible through the Menu option pressing F4. 3.2.4.1. Collect Button This button will collect data from the CS5451A analyzed in the plot area. See the section on Collecting Data Sets for more information. CDB5451A DS458DB3 ...
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... Hz) when performing an FFT analysis. The user can enter the crystal frequency that is used on the CDB5451A board into this box. The default value of this box is set for the on-board 4.096MHz oscillator. 3.2.4.4. OWRS Pin Setting: ...
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... Displays current x-position of the cursor on the time domain display. 3.2.7.2. Magnitude Displays current y-value of the cursor on the time domain display. 3.2.7.3. Maximum Indicator for the maximum value of the collected data set. 3.2.7.4. Minimum Indicator for the minimum value of the collected data set. CDB5451A DS458DB3 ...
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... Indicator for the calculated variance of the collect- ed data set. 3.2.9.5. STD_DEV Indicator for the calculated standard deviation of the collected data set. 3.2.9.6. Maximum Indicator for the maximum value of the collected data set. 3.2.9.7. Minimum Indicator for the minimum value collected in the data set. CDB5451A 19 ...
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... Figure 8. Silkscreen CDB5451A DS458DB3 ...
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... DS458DB3 Figure 9. Circuit Side CDB5451A 21 ...
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... Figure 10. Solder Side CDB5451A DS458DB3 ...
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... DS458DB3 CDB5451A 23 ...
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... IBM is a tradem ark of International Business M achines C orporation. W indows is a tradem ark of M icrosoft C orporation. Lab W indows and C VI are tradem arks of N ational Instrum ents tradem ark of M otorola, Inc. M icrowire is a tradem ark of N ational Sem iconductor .cirrus.com CDB5451A DS458DB3 ...