Page 3 - Features; Supply Voltage; Overview; CAUTION
www.ti.com 1 Overview 1.1 Features 1.2 Power Requirements 1.2.1 Supply Voltage 1.2.2 Reference Voltage Overview This section gives a general overview of the DAC8555EVM and describes some of the factors that mustbe considered when using this demonstration board. The DAC8555EVM is a simple evaluation ...
Page 4 - EVM Basic Functions; TI web site
www.ti.com 1.3 EVM Basic Functions Overview CAUTION When applying an external voltage reference through TP2 or J4-20, make surethat it does not exceed +5V maximum. External voltage references in excess of+5V can permanently damage the DAC8555 being tested (U1). The DAC8555EVM is designed to provide ...
Page 5 - Figure 1. DAC8555EVM Functional Block Diagram
www.ti.com JMP11 JMP12JMP13JMP14 External Reference Module +5V A V DD +3.3V A (J2A)(J2B) DAC Module (J4A)(J4B) 8 CH (J1)(J5) (J3A)(J3B) 4 CH JMP15 JMP16 JMP9 JMP10 DAC Out V SS V H REF TP4 TP3 V CC GNDV SS GNDV DD +5V A +3.3V A DINLDACSCLKSYNC JMP5 JMP6 JMP4 JMP3 JMP8 V H REF TP2 V SS V CC V L REF O...
Page 6 - Related Documentation from Texas Instruments; PCB Layout; PCB Design and Performance; Data Sheet; Figure 2
www.ti.com 1.3.1 Related Documentation from Texas Instruments 2 PCB Design and Performance 2.1 PCB Layout PCB Design and Performance The following documents provide information regarding Texas Instrument integrated circuits used in theassembly of the DAC8555EVM. The latest revisions of these documen...
Page 7 - Figure 2. DAC8555EVM PCB—Top Silkscreen Image
www.ti.com PCB Design and Performance Figure 2. DAC8555EVM PCB—Top Silkscreen Image Figure 3. DAC8555EVM PCB—Layer 1 (Top Signal Layer) SLAU204 – December 2006 DAC8555EVM User's Guide 7 Submit Documentation Feedback
Page 9 - Figure 7. DAC8555EVM PCB—Bottom Silkscreen Image
www.ti.com PCB Design and Performance Figure 6. DAC8555EVM PCB—Layer 4 (Bottom Signal Layer) Figure 7. DAC8555EVM PCB—Bottom Silkscreen Image SLAU204 – December 2006 DAC8555EVM User's Guide 9 Submit Documentation Feedback
Page 10 - EVM Performance; Figure 8. DAC8555EVM—Drill Drawing; Results of the DAC8555EVM tests are shown in
www.ti.com 2.2 EVM Performance PCB Design and Performance Figure 8. DAC8555EVM—Drill Drawing The EVM performance test is executed using a high-density DAC bench test board, an Agilent 3458Adigital multimeter and a PC running LabVIEW™ software. The EVM board is tested for linearity for allcodes betwe...
Page 11 - Figure 9. INL and DNL Characterization Graph of DAC A
www.ti.com PCB Design and Performance Figure 9. INL and DNL Characterization Graph of DAC A SLAU204 – December 2006 DAC8555EVM User's Guide 11 Submit Documentation Feedback
Page 12 - Figure 10. INL and DNL Characterization Graph of DAC B
www.ti.com PCB Design and Performance Figure 10. INL and DNL Characterization Graph of DAC B 12 DAC8555EVM User's Guide SLAU204 – December 2006 Submit Documentation Feedback
Page 13 - Figure 11. INL and DNL Characterization Graph of DAC C
www.ti.com PCB Design and Performance Figure 11. INL and DNL Characterization Graph of DAC C SLAU204 – December 2006 DAC8555EVM User's Guide 13 Submit Documentation Feedback
Page 14 - Figure 12. INL and DNL Characterization Graph of DAC D
www.ti.com PCB Design and Performance Figure 12. INL and DNL Characterization Graph of DAC D DAC8555EVM User's Guide 14 SLAU204 – December 2006 Submit Documentation Feedback
Page 15 - Bill of Materials; Table 1
www.ti.com 2.3 Bill of Materials PCB Design and Performance The parts list, showing the components used in the assembly of the DAC8555EVM, is given in Table 1 . Table 1. DAC8555EVM Parts List QTYPER MFR ITEM BOARD Ref Des MFR PART NUMBER DESCRIPTION 1 4 R11–R14 Panasonic ERJ-3GEY0R00V Chip Resistor,...
Page 16 - Default Settings; EVM Operation; Table 2; Table 2. Factory Default Jumper Settings; datasheet
www.ti.com 3 EVM Operation 3.1 Default Settings 3.2 Host Processor Interface 3.3 EVM Stacking EVM Operation This section covers the operation of the EVM in detail, in order to provide guidance to the user inevaluating the onboard DAC as well as how to interface the EVM to a specific host processor. ...
Page 17 - Output Op Amp; Table 3. DAC Output Channel Mapping
www.ti.com 3.4 Output Op Amp EVM Operation Table 3. DAC Output Channel Mapping Reference Jumper Position Function 1-2 DAC output A (V OUT A) is routed to J4-2. JMP11 2-3 DAC output A (V OUT A) is routed to J4-10. 1-2 DAC output B (V OUT B) is routed to J4-4. JMP12 2-3 DAC output B (V OUT B) is route...
Page 18 - Table 4; Table 4. Unity Gain Output Jumper Settings; Table 5; Table 5. Output Gain of 2 Jumper Settings
www.ti.com 3.4.1 Unity Gain Output 3.4.2 Output Gain of 2 EVM Operation The buffered output configuration can be used to prevent loading of the DAC8555, though it may addsome slight distortion because of the feedback resistor and capacitor. The feedback circuit can be alteredby simply desoldering R8...
Page 19 - Capacitive Load Drive; Jumper Settings; Table 6; Table 6. Capacitive Load Drive Output Jumper Settings; ) input signals to this op amp. No test point has been made; Table 7. Jumper Settings and Functions
www.ti.com 3.4.3 Capacitive Load Drive 3.5 Optional Signal Conditioning Op-Amp (U4B) 3.6 Jumper Settings EVM Operation It may be required to drive a wide range of capacitive loads. However, under certain conditions, all opamps may become unstable, depending on the op amp configuration, gain, and loa...
Page 22 - Schematic
www.ti.com 4 Schematic Schematic 22 DAC8555EVM User's Guide SLAU204 – December 2006 Submit Documentation Feedback
Page 23 - ti
A B C D D C B A ti 6730 SOUTH TUCSON BLVD., TUCSON, AZ 85706 USA TITLE SHEET OF FILE SIZE DATE REV DRAW N BY ENGINEER REVISION HISTORY REV ENGINEERING CHANGE NUMBER APPROVED B DATA ACQUISITION PRODUCTS HIGH-PERFORMANCE ANALOG DIVISION SEMICONDUCTOR GROUP DOCUMENT CONTROL NO. DAC8555EVM A 11-Oct-2006...
Page 24 - Copyright© 2006, Texas Instruments Incorporated
FCC Warning This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATIONPURPOSES ONLY and is not considered by TI to be a finished end-product fit for general customer use. It generates, uses, andcan radiate radio frequency energy and has not been tested fo...
Page 25 - IMPORTANT NOTICE
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements,improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.Customers should obtain the l...