Analog Devices EVAL-AD5141DBZ Скачать руководство пользователя страница 21 | Manualshive

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EVAL-AD5142ADBZ

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Содержание EVAL-AD5141DBZ

Страница 1: ...e memory digital potentiometer With versatile programmability the AD5141 allows multiple modes of operation including read write access in the RDAC and EEMEM registers increment decrement of resistance resistance changes in 6 dB scales wiper setting read back and extra EEMEM for storing user defined information such as memory data for other components or a lookup table The AD5141 supports a dual s...

Страница 2: ...and SDP S 1 Revision History 2 Evaluation Board Hardware 3 Power Supplies 3 Digital Interface 4 Test Circuits 4 Evaluation Board Software 8 Installing the Software 8 Software Operation 10 Evaluation Board Schematics and Artwork 11 Motherboard 11 Daughter Board 15 Ordering Information 18 Bill of Materials 18 REVISION HISTORY 11 12 Revision 0 Initial Version ...

Страница 3: ...d via the SDP board using a PC The functions of these link options are described in detail in Table 3 through Table 11 Table 2 Link Options Setup for SDP Control Default Link No Option A5 3V3 A11 3 3 V A12 AGND Linear Gain Setting Mode The linear gain setting mode pin can be controlled directly by Jumper A5 If the jumper is placed in Position A the AD5141 powers up in potentiometer mode and the li...

Страница 4: ...e RDAC1 is the code loaded in the RDAC1 register VA is the voltage applied to the A terminal A9 link VB is the voltage applied to the B terminal A10 link However by using the R34 and R35 external resistors the user can reduce the voltage of the voltage references In this case use the A1 and B1 test points to measure the voltage applied to the A and B terminals and to recalculate VA and VB in Equat...

Страница 5: ...per resistance RAB is the end to end resistance value RWB1 is the resistor between the W1 and B1 terminals Table 9 AC Signal Attenuation Link Motherboard Links Voltage Supply Maximum AC Signal Amplitude Link Options Conditions Single VDD A9 AC No dc offset voltage the ac signal is outside the voltage supply rails due to the dc offset voltage or the dc offset voltage VDD 2 1 AC All other conditions...

Страница 6: ...garithmic Noninverting Amplifier R43 and R42 can be used to set the maximum and minimum gain limits The inverting amplifier with linear gain is shown in Figure 6 and the gain is defined in Equation 5 Note that the input signal VIN must be negative AW WB R R G 5 where RWB is the code loaded for the RWB resistance RAW is the code loaded for the RAW resistance 11010 006 VOUT2 VIN RDAC R42 C1 10nF W2 ...

Страница 7: ... Selection Motherboard Link Options Amplifier Gain Linear Setting Gain Mode Enabled Link Label Noninverting Linear Yes A7 LIN A6 N INV A8 N INV Pseudologarithmic No A7 LOG A6 N INV A8 N INV Inverting Linear Yes A7 LIN A6 INV A8 INV Pseudologarithmic No A7 LOG A6 INV A8 INV ...

Страница 8: ...up the evaluation board as described in the Power Supplies section 4 Connect the EVAL AD5141DBZ and EVAL MB LV SDZ to the SDP board and then connect the SDP board to the PC using the USB cable included with the SDP board 5 When the software detects the evaluation board follow the instructions that appear to finalize the installation To run the program do the following 1 Click Start All Programs An...

Страница 9: ...Evaluation Board User Guide UG 473 Rev 0 Page 9 of 20 11010 020 Figure 9 EVAL AD5141DBZ Software Main Window ...

Страница 10: ...you to send quick commands directly to the AD5141 The INDIVIDUAL CHANNEL COMMANDS section allows you to send quick commands to only specific channels of the AD5141 The block diagram allows you to update the control register status Each register value can be easily updated by changing the value in its respective block within the diagram In addition buttons are available that allow you to change the...

Страница 11: ...Evaluation Board User Guide UG 473 Rev 0 Page 11 of 20 EVALUATION BOARD SCHEMATICS AND ARTWORK MOTHERBOARD 11010 010 Figure 11 SDP Connector and Power Supply ...

Страница 12: ...UG 473 Evaluation Board User Guide Rev 0 Page 12 of 20 11010 011 Figure 12 Schematic of Test Circuits ...

Страница 13: ...Evaluation Board User Guide UG 473 Rev 0 Page 13 of 20 11010 012 Figure 13 Schematic of Connectors to Daughter Board ...

Страница 14: ...on Board User Guide Rev 0 Page 14 of 20 11010 013 Figure 14 Component Side View of Motherboard 11010 014 Figure 15 Component Placement Drawing of Motherboard 11010 015 Figure 16 Layer 2 Side PCB Drawing of Motherboard ...

Страница 15: ...S VSS A1 A2 W1 W2 B1 A W B B2 B2 W1 A1 OPAMP PROTECTION A8 B A A7 B A A6 CIRCUIT CONNECTION A AMPLIFIER B DAC ATTENUATOR B A ADDR1 SDO ADDR0 SYNC SDA DIN RESET WP VDD VLOGIC DIS SDO ADDR1 SYNC ADDR0 DIN SDA SCLK SCL RESET WP GND VSS INDEP INDEP 0 1uF 10uF C2 VLOGIC C1 0 1uF 10uF VLOGIC GND VDD U2 ADG774 DIS DGND 15 EN D4 D3 D2 D1 S4A S3A S4B S3B S2A S1A S2B S1B SYNC ADDR0 SDO ADDR1 SDI SDA SCLK VL...

Страница 16: ...UG 473 Evaluation Board User Guide Rev 0 Page 16 of 20 11010 017 Figure 18 Component Side View of Daughter Board 11010 018 Figure 19 Component Placement Drawing of Daughter Board ...

Страница 17: ...Evaluation Board User Guide UG 473 Rev 0 Page 17 of 20 11010 019 Figure 20 Layer 2 Side PCB Drawing of Daughter Board ...

Страница 18: ... R14 SMD resistor 100 Ω 1 0603 FEC 9330364 1 R4 SMD resistor 1 kΩ 0 01 0603 FEC 9330380 3 R5 R25 R26 SMD resistor 100 kΩ 1 0603 FEC 9330402 5 R15 R16 R17 R18 R19 SMD resistor 33 kΩ 1 0603 FEC 9331034 1 C1 SMD capacitor 100 nF 10 0805 FEC 1650863 8 C4 C9 C10 C11 C12 C17 C19 C21 SMD capacitor 0 1 µF 10 0603 FEC 1759122 4 C2 C6 C7 C14 SMD capacitor 0 1 µF 10 0603 FEC 3019482 2 C8 C13 SMD capacitor 10...

Страница 19: ... 2 pin SIL header and shorting link FEC 1022247 and 150411 7 A2 A3 A4 A5 A6 A7 A8 3 pin SIL header and shorting link FEC 1022248 and 150410 2 C2 C3 6 3 V tantalum capacitor Case A 10 µF 20 FEC 1190107 2 C1 C4 50 V X7R ceramic capacitor 0 1 µF 10 FEC 1759122 1 J1 Header 2 54 mm PCB 1 8 way FEC 1766172 1 J2 12 pin 2 6 0 1 pitch header FEC 1804099 2 J3 J4 5 pin SIL header FEC 1929016 1 FEC refers to ...

Страница 20: ...ose or transfer any portion of the Evaluation Board to any other party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Customer may not disassemble decompile or reverse engineer chips on the Evaluation Board Customer shall inform ADI of any occurred damages or ...

Страница 21: ...DZ EVAL AD5246DBZ EVAL AD5258DBZ EVAL AD5204SDZ EVAL AD5259DBZ MAX5498EVKIT MAX5392EVMINIQU MAX5387MINIQUSB MAX5389EVKIT MAX5386MEVMINIQU MAX5394MEVKIT PIM523 MCP43XXEV MCP401XEV TPL0401EVM 356 2273 4219 4271 4272 4286 4493 4570 EVAL AD5111SDZ EVAL AD5116EBZ EVAL AD5142ADBZ EVAL AD5161DBZ EVAL AD5172SDZ EVAL AD5222SDZ EVAL AD5242DBZ EVAL AD5243SDZ EVAL AD5270SDZ MAX5487PMB1 MCP402XEV MCP42XXEV MCP...

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