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DAC7554 Evaluation Module

User's Guide

Literature Number: SLAU154

March 2005

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Summary of Contents for DAC7554

Page 1: ...DAC7554 Evaluation Module User s Guide Literature Number SLAU154 March 2005...

Page 2: ...2 SLAU154 March 2005...

Page 3: ...4 EVM Operation 12 4 1 Factory Default Setting 12 4 2 Host Processor Interface 13 4 3 EVM Stacking 13 4 4 The Output Operational Amplifier 13 4 5 Jumper Setting 15 4 6 Schematics 16 5 Related Document...

Page 4: ...een 9 6 Drill Drawing 10 7 Factory Default Jumper Setting 12 List of Tables 1 Parts List 11 2 Factory Default Jumper Setting 12 3 DAC Output Channel Mapping 13 4 Unity Gain Output Jumper Settings 14 5...

Page 5: ...requirements of this EVM 1 2 1 Supply Voltage The dc power supply requirement for this DAC7554 EVM VDD is selectable between 3 3 V and 5 V via W1 jumper header The 3 3 V comes from J6 8 or J5 1 if in...

Page 6: ...lved in building a custom cable In addition there is also an MSP430 based platform HPA449 that uses the MSP430F449 microprocessor with which this EVM can connect and interface For more details or info...

Page 7: ...rstanding the components mechanical attributes The obscure part of the design is the layout process where lack of knowledge and inexperience can easily present a problem The main concern here is prima...

Page 8: ...clad FR 4 laminate material The printed circuit board has a dimension of 43 1800 mm 1 7000 inch 81 2800 mm 3 200 inch and the board thickness is 1 5748 mm 0 0620 inch Figures 2 through 6 show the indi...

Page 9: ...www ti com PCB Design and Performance Figure 4 Bottom Layer Signal and Split Ground Plane Figure 5 Bottom Silkscreen DAC7554EVM SLAU154 March 2005 9...

Page 10: ...www ti com PCB Design and Performance Figure 6 Drill Drawing DAC7554EVM 10 SLAU154 March 2005...

Page 11: ...Tech ED555 3DS 13 2 P2 P4 20 Pin_IDC 3 Samtec SSW 110 22 S DVS P 14 1 P6 10 Pin Isolated Power Socket 0 100 3 Samtec SSW 105 22 F DVS K 15 5 TP2 TP3 TP4 TP_TURRENT Mill Max 2348 2 01 00 00 07 0 TP5 TP...

Page 12: ...ure 7 for clarity Table 2 Factory Default Jumper Setting Reference Jumper Function Position W1 2 3 Analog supply for the DAC7554 is 5VA W2 1 2 DAC output A VOUTA is routed to J4 2 W3 OPEN External ope...

Page 13: ...0 1 2 DAC output B VOUTB is routed to J4 4 W11 2 3 DAC output B VOUTB is routed to J4 12 1 2 DAC output C VOUTC is routed to J4 6 W12 2 3 DAC output C VOUTC is routed to J4 14 1 2 DAC output D VOUTD i...

Page 14: ...4 2 Output Gain of Two Table 5 shows the proper jumper settings of the EVM for the 2 gain output of the DAC Table 5 Gain of Two Output Jumper Settings Jumper Setting Reference Function Unipolar Bipol...

Page 15: ...ut of the DAC7554 W4 Disconnects the onboard 4 096V reference from the Vref input of the DAC7554 and allows other external reference source to be applied via TP4 or J4 20 with W7 closed Negative suppl...

Page 16: ...mper Function Setting Routes VOUTB to J4 4 W11 Routes VOUTB to J4 12 Routes VOUTC to J4 6 W12 Routes VOUTC to J4 14 Routes VOUTD to J4 8 W13 Routes VOUTD to J4 16 Legend Indicates the corresponding pi...

Page 17: ...OUT_B OUT_C OUT_D TP3 VOUT U2_ IN U2_ IN U2_OUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 20 17 19 18 J2 Serial Header TP4 VCC 15V Analog Max VDD 2 7V to 5 5V Digital Max VSS 0V to 15V Analog Max 1 2 3 J...

Page 18: ...identify this manual by its title and literature number Updated documents can also be obtained through our website at www ti com Data Sheets Literature Number DAC7554 SLAS399A REF3140 SBVS046A OPA277...

Page 19: ...services described herein Please read the EVM User s Guide and specifically the EVM Warnings and Restrictions notice in the EVM User s Guide prior to handling the product This notice contains importa...

Page 20: ...iness practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product wou...

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