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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 1 In-System Programmable PROGRAMMABLE ANALOG CIRCUITS (ispPAC™)
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 2 Agenda What Can You Do With an ispPAC Device What Problems Can an ispPAC Device Solve What Is an ispPAC Device How Do You Design With an ispPAC Device Summary
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 3 What Can You Do With an ispPAC? ispPAC Devices Can Implement: –Interface to Single-Ended and Differential Sensors & Transducers –Amplifier/Attenuator –Voltage References –Control Loops - P, I, PI –Monitoring Circuits –1 st -Order to 5 th -Order Filters in All Popular Topologies –Dynamic Signal Conditioning for Data Acquisition Gain and Offset Shift on a Per-Channel Basis Front End for 12- to 14-Bit Analog-to-Digital Converters
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 4 What Problems Can an ispPAC Device Solve? Analog Design –Math –Calculate Component Value Wire-up Prototype Layout Issues Accommodate Change in Specifications Low Manufacturing Yields –Component Tolerance –Tune for Performance
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 5 Advantages of Programmable Analog Many Discrete Components Long Design Cycle Difficult Layout/Debug Fixed Performance Difficult to Manufacture Quick Time to Market Reconfigurable Component Values Integration of Discrete Components Vastly Improved Manufacturability Adjust for Manufacturing Tolerance BEFORENOW
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 6 Free PAC-Designer Software Point-and-Click Schematic Entry Supports Windows 95/98/NT/2000/XP PAC-Designer Development Kit - PDSDK - Automate Mfg. DownloadSimulateDesign Easy to learn!
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 7 PAC-Designer Built-in Simulator Simulate Signal Magnitude... Frequency …and Phase
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 8 Now Let’s “ispProgram” the Device ispDOWNLOAD Cable PAC Evaluation Board ispPAC Devices Erase & Program in Just 200 msec ispPAC30 Device Reconfigures in 10 S
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 9 PDSDK - Reduces Time to Production Assemble PCB Functional/ Parametric Test Did Product Meet Spec? Technician Manually Measures and Adjusts Using Potentiometer Tuning Choose Discrete Components Ship the Final Product NO Traditional Analog Manufacturing Process Manufacturing Process Using PAC-Designer Software Development Kit Assemble PCB Tune the ispPAC Parameters in Software Using PDSDK Ship the Final Product ispDOWNLOAD into ispPAC No Manual Intervention Compensate for Discrete Component Tolerances Algorithmically Adjust Until Performance Is Met Manual Intervention Eliminated/ Minimized
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 10 ispPAC Family Overview
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 11 Customer ispPAC Applications Telecom/ Datacom/computing Laser Biasing, Constant Current and Constant Power Control Tec (Thermal Electric Cooler) Pilot Tones, Filtering. Monitoring Temp, Power, Fans, Etc Cash Register Card Reader Interface Power Line Communication - Pre-Modulation Filter IF Stage Filter in Digital Radio Medical Prosthetic Limb Control Voltage Monitor Laser Diode Driver Blood Analyzer Glaucoma Tester
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 12 More Customer ispPAC Applications Industrial Control Interface to Outside World Environmental Controls Remote Sensors (Generalized Sensor Interface) Embedded Reconfiguration System Level and Network Functions at the Host Filtering Incoming Signals From the Remote Site Motor Control or Similar Accounts Large Machines, Tractors, Factory Automation Monitoring, Filtering, Data-Acquisition, Hydraulics, Pneumatics Level & Temperature Measurement, Control Loops, Monitoring Adjustable Trip Point for Comparators Pulse Width Modulators Synchronous Demodulator
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 13 More Customer ispPAC Applications Test & Measurement: Monitoring System Parameters Programmable Front End for A/D Test Fixture for Factory Automation Analog Signal Processing Multi Channel Signal Acquisition IC Inspection Equipment PC Add-on DSP Control Boards Other Monitoring or Control Strip Heater Control Functions Programmable Current Sources Power Supply Margining Regulator
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 14 Summary of ispPAC Design Aids PAC Designer Version 1.3 CD –Free Software –Product Briefs –Data Sheets –Application Notes –Circuit Solutions –Extensive FAQs –Search Utility Lattice Website www.latticesemi.com –All Latest Documents and Software Noted Above –1-Minute Software Demonstration –System Diagram Linking Applications With AppNotes –Web Seminars –On-Line Store
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LATTICE SEMICONDUCTOR CORPORATION 2002 Page 15 Summary of ispPAC Benefits Ease of Design –Automated Tools –Create Your Own Macros –Instant No-layout Prototyping for Fast Time-To-Market –One Design Can Be Reprogrammed for Multiple Apps/Systems Integration –Save Board Real Estate –Higher Reliability –Less Interconnect, PC Board Failures Increased Manufacturability –No Fallout Due to Component Tolerances –In-System Programming of ispPAC Devices at Final Test –Board-by-Board Tuning at Final Test using PDSDK –Lower Over All Cost Performance –Meets or Beats Most Existing Methodologies of Analog Design
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