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CDB5510 数据表(PDF) 5 Page - Cirrus Logic |
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CDB5510 数据表(HTML) 5 Page - Cirrus Logic |
5 / 22 page CDB5510/11/12/13 DS337DB2 5 DIP switches on the CDB5510 should be set to the “CS5511/13 Internally Clocked” section of Table 3. 1.6 PC Interface The evaluation system comes with software and an RS-232 cable to link the evaluation board to the PC. The executable software was developed with LabWindows/CVI and meant to run under Win- dows 95 or 98. After installing the software, read the readme.txt file for any last minute changes in the software. Additionally, Section 2.0: Software in this document further details how to install and use the software. 1.7 Adding an Amplifier to the CDB5510 The CDB5510 is laid out so that a standard 8-pin SOIC dual op-amp of the user’s choosing can be in- stalled on the board to allow evaluation of the CS5510/11/12/13’s performance with an op-amp front-end. If an op-amp front-end is desired, the ad- ditional components such as feedback resistors and bypass capacitors must also be installed on the board. A schematic of the amplifier section includ- ing some typical component values is shown in Figure 9. The amplifier is configured to operate in either a single non-inverting, or a dual differential configuration. The mode of operation can be select- ed by changing the jumper on HDR2. Using the components shown in Figure 9, the gain of the am- plifier will be 10 in the single configuration, or 21 in the dual configuration. Different gain values can be achieved by changing the value of resistors R6, R17, and R18. 1.8 Interfacing to an External Controller The ADC serial interface is SPI and MICROW- IRETM compatible. The interface control lines (CS, SDO, and SCLK) are connected to the 8515 micro- controller on the CDB5510. The ADCs can be in- terfaced to an external microcontroller through HDR6onthe CDB5510. To accomplish this,the CDB5510 board must be modified in one of three ways: 1) remove the microcontroller from its sock- et, 2) remove resistors R20-R22, or 3) cut the inter- face control traces between the microcontroller and the header. |
类似零件编号 - CDB5510 |
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类似说明 - CDB5510 |
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