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resources:eval:user-guides:circuits-from-the-lab:cn0370 [16 Sep 2015 04:33] – Ramon Glenn Amparo | resources:eval:user-guides:circuits-from-the-lab:cn0370 [29 Jul 2021 07:56] (current) – Hardware Registration Harvey John De Chavez | ||
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===== Overview ===== | ===== Overview ===== | ||
- | CN0370 is a complete single supply 16-bit | + | [[adi>CN0370]] is a complete single-supply, low noise LED current source driver controlled by a 16-bit |
- | AD5542A is a single supply, 16-bit, serial input, voltage output DAC that is used to control the voltage to current conversion. ADA4500-2 is a single supply, dual low power amplifier with no zero-crossover distortion offering high linearity over the full, rail to rail common-mode input range. ADA4500-2 is used to buffer the reference voltage of the DAC and is also used in a buffer configuration to convert the voltage output of the DAC into current. ADR4525 is a high precision, low power, low noise voltage reference that is used to provide precise 2.5V reference voltage for the DAC. | + | [[adi>AD5542A]] is a single supply, 16-bit, serial input, voltage output DAC that is used to control the voltage to current conversion. |
- | This user guide will discuss how to use the EVAL-SDP-CB1Z, | + | This user guide will discuss how to use the [[adi>EVAL-SDP-CB1Z|EVAL-SDP-CB1Z]], [[adi> |
{{ : | {{ : | ||
===== Required Equipment ===== | ===== Required Equipment ===== | ||
* PC with a USB port and Windows XP or Windows Vista | * PC with a USB port and Windows XP or Windows Vista | ||
- | 32-b(it), or Windows 7 (32-bit) | + | * 32-b(it), or Windows 7 (32-bit) |
* EVAL-SDP-CB1Z SDP evaluation board | * EVAL-SDP-CB1Z SDP evaluation board | ||
* PMD-SDP-IB1Z interposer board | * PMD-SDP-IB1Z interposer board | ||
* EVAL-CN0370-PMDZ circuit evaluation board | * EVAL-CN0370-PMDZ circuit evaluation board | ||
* CN-0370 evaluation software: | * CN-0370 evaluation software: | ||
- | ftp:// | + | * ftp:// |
* Power supply: 6 V wall wart. | * Power supply: 6 V wall wart. | ||
* Agilent 34401A Multimeter or equivalent. | * Agilent 34401A Multimeter or equivalent. | ||
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===== General Setup ===== | ===== General Setup ===== | ||
- | {{ : | + | {{ : |
* Connect the 120-pin connector J4 on the PMD-SDP-IB1Z interposer board to the connector marked CON A on the EVAL-SDP-CB1Z (SDP) evaluation board. Shunt on JP1 to be place on the +5.0V configuration. | * Connect the 120-pin connector J4 on the PMD-SDP-IB1Z interposer board to the connector marked CON A on the EVAL-SDP-CB1Z (SDP) evaluation board. Shunt on JP1 to be place on the +5.0V configuration. | ||
{{ : | {{ : | ||
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{{ : | {{ : | ||
* The USB cable is used to connect EVAL-SDP-CB1Z to the PC. | * The USB cable is used to connect EVAL-SDP-CB1Z to the PC. | ||
- | | + | {{ : |
+ | | ||
* Test point VCC and AGDN are used to take voltage measurements. | * Test point VCC and AGDN are used to take voltage measurements. | ||
- | * JP1 on SDP-I-PMOD is shorted by a shunt on +5.0V configuration | ||
* VEXT is used to supply an external voltage to the LED supply (Input range: +20max). | * VEXT is used to supply an external voltage to the LED supply (Input range: +20max). | ||
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==== Main Tab ==== | ==== Main Tab ==== | ||
{{ : | {{ : | ||
- | | + | |
- | * * This button is used to write the data into the DAC | + | |
- | * | + | |
- | * External Resistor- 3 | + | * This is a selector where the user can choose the input mode of changing the amount of current or changing the actual DAC code being written |
- | | + | |
- | * R_limit- 5 | + | * Input Code Mode- the exact code is written on the Code box, and the amount of current output is automatically adjusted by pushing the Write Data button. |
+ | - External Resistor | ||
+ | * Enable the external resistor if the resistor on R_LIMIT has been changed | ||
+ | | ||
+ | | ||
+ | | ||
+ | * This is the value of the resistor that limits the amount of current | ||
==== Writing data ==== | ==== Writing data ==== | ||
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- Write the exact code to be written in the Code text box. | - Write the exact code to be written in the Code text box. | ||
- Push the Write Data button to write the code to the board. | - Push the Write Data button to write the code to the board. | ||
+ | |||
+ | ===== Schematic, PCB Layout, Bill of Materials ===== | ||
+ | |||
+ | <WRAP round 80% download> | ||
+ | [[adi> | ||
+ | * Schematics | ||
+ | * PCB Layout | ||
+ | * Bill of Materials | ||
+ | * Allegro Layout Files | ||
+ | </ | ||
+ | |||
+ | =====Registration===== | ||
+ | <WRAP round tip 80% > | ||
+ | Receive software update notifications, | ||
+ | </ | ||
+ | //End of Document// |