High Voltage Solutions for Low Level Signals

1. High Voltage Solutions for Low Level Signals New Amplifiers and Process Technology for Industrial and Instrumentation Applications April 2005 Draft: v. 14

2. Announcing… For industrial and instrumentation OEMs: • 3 new amplifier families • New process technology - iPolar™ • Greater commitment

3. ADI and Industrial • Solving customer problems for 40 years • Introduced iCMOS late last year • Company foundation built on serving industrial segment • 25% of ADI annual sales • Customers:

4. ADI and Industrial

5. Advanced Process Technologies for Real World Applications

6. Optimized Signal Chain PerformanceIndustrial and Instrumentation

7. Customer Needs • Even at 36 V, demands on performance continue to increase • Need to use all of the supply • More channels, smaller box—or both • Lower noise, please! • Precision still makes it all easier

8. New Precision, Low Noise, Rail-to-Rail Amps - AD8675, AD8676, AD8678 • Maximum SNR and dynamic range • Only HV amp with <3nV/√Hz noise, rail-to-rail out • 30% lower noise than competition • Low power consumption • 30% lower quiescent power with 3x the bandwidth • 50% reduction in footprint • MSOP package vs. competitor’s SOIC • Lowest input bias current • 75% lower than competitive parts

9. AD8675Precision, Very Low Noise, R-R Amplifier KEY BENEFITS • Optimum combination of noise, Bandwidth, VOS and IB • PLL and other precision filter circuits • Position and pressure sensors • Medical instrumentation • Strain gage amplifiers • Precision Power Supply controls

10. Customer Needs • Lower noise and greater precision ARE needed • Power consumption and power dissipation limit density • Temperature range limitations

11. New Precision, Low Noise Quad Amps ADA4004-1, ADA4004-2, ADA4004-4 • Lowest noise quad 30 V precision amplifier • <2 nV/√Hz wideband noise, <7 Hz low frequency noise corner • Improves SNR, dynamic range and resolution • 4 mm x 4 mm LFCSP package (quad) • 50% to 70% size reduction vs. competition • Single to be available in TSOT-23, 75% size reduction • 50% reduction in power consumption • Full power operation over extended industrial temperature range • Very high open loop gain • 140 dB typical

12. ADA4004-42nV/√Hz Precision Quad Amplifier KEY BENEFITS • Extremely low noise with DC precision at ½ the power • Electronic and analytical instruments and other measurement and control • Multi-pole DC coupled filters • Multi-channel data acquisition and controls • Multi-channel buffering and reference driving a

13. Customer Needs EMI Design Considerations • I need to achieve CE certification—Can you help? • Why is my circuit oscillating now? • Help!—My board has to be 50% smaller for the next system.

14. Improved OP07-type Amplifier in a TSOT-23 AD8677 • 75% reduction in PCB area • 50% power reduction with no reduction in bandwidth • Greatly improved phase margin and stability • Higher CMRR and PSRR for improved environmental noise immunity

15. Single AD8677OP07 Precision in TSOT-23 KEY BENEFITS • OP07 performance in ¼ the footprint • Temperature, pressure, current and voltage sensing in PLC, building controls, medical systems, and ATE • Machine health and system monitoring • Electronic test and measurement a • TSOT23 & SOIC • Release August 2005

16. Introducing iPolarA major benefit – smaller and cheaper • Older version on standard precision bipolar process (OP07) • SOIC package

17. Introducing iPolarA major benefit – smaller and cheaper • Older version on standard precision bipolar process (OP07) • SOIC package • Recently released version on previous “shrink” process • MSOP package

18. Introducing iPolarA major benefit – smaller and cheaper • Older version on standard precision bipolar process (OP07) • SOIC package • Recently released version on previous “shrink” process • MSOP package • Optimized design on iPolar process (AD8677) • TSOT-23 package

19. Introducing iPolarGeneral Advantages and Characteristics • iPolar is a process technology combining the advantages of precision bipolar and JFET with lateral dielectric isolation • It is a 36 V bipolar process • Smaller geometry for saving space in industrial applications • Process optimized for performance of linear products • Optimized for speed, noise, matching, linearity, and stability • Enhanced speed and/or noise at lower power • Customer Benefits: • Simplifies design • Reduces design cycles • Improves time to market

20. Roadmap, IntegrationiPolar

21. Introducing iPolarBenefits to Functional Circuits Precision Amplifiers: • Improves speed/power ratio • Improves noise/power ratio • Reduces 1/f noise • Reduces offset and offset drift • Reduces output settling time • Improves phase margin and stability capability • Shrinks footprint of circuits by up to 75% • How? • Isolated NPN and PNP bipolar transistors dramatically improve the performance and size of amplifiers

22. Introducing iPolarBenefits to Functional Circuits High Speed Amplifiers: • Allows design at high operating voltages • Improves speed/power ratio • Shrinks footprint by up to 60% • How? • Faster bipolar transistors – 36V NPN with fT of 1.1 GHz, PNP with fT of 750 MHz • NPN and PNP have similar speed – simplifies design