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AD8512ARZ Scheda tecnica(PDF) 1 Page - Analog Devices |
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AD8512ARZ Scheda tecnica(HTML) 1 Page - Analog Devices |
1 / 20 page Precision, Very Low Noise, Low Input Bias Current, Wide Bandwidth JFET Operational Amplifiers AD8510/AD8512/AD8513 Rev. E Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. FEATURES Fast settling time: 500 ns to 0.1% Low offset voltage: 400 µV max Low TCVOS: 1 µV/°C typ Low input bias current: 25 pA typ Dual-supply operation: ±5 V to ±15 V Low noise: 8 nV/√Hz Low distortion: 0.0005% No phase reversal Unity gain stable APPLICATIONS Instrumentation Multipole filters Precision current measurement Photodiode amplifiers Sensors Audio PIN CONFIGURATIONS AD8512 OUT A –IN A +IN A V– V+ OUT B –IN B +IN B 1 TOP VIEW (Not to Scale) 4 8 5 AD8512 TOP VIEW (Not to Scale) OUT A –IN A +IN A V– V+ OUT B –IN B +IN B Figure 1. 8-Lead MSOP (RM Suffix) Figure 2. 8-Lead SOIC (R Suffix) AD8510 TOP VIEW (Not to Scale) NC –IN +IN V– NC V+ OUT NC AD8510 TOP VIEW (Not to Scale) NC –IN +IN V– NC V+ OUT NC Figure 3. 8-Lead MSOP (RM Suffix) Figure 4. 8-Lead SOIC (R Suffix) AD8513 TOP VIEW (Not to Scale) OUT A 1 –IN A 2 +IN A 3 V+ 4 +IN B 5 OUT D –IN D +IN D V– +IN C 14 13 12 11 10 –IN B 6 OUT B 7 –IN C OUT C 9 8 AD8513 TOP VIEW (Not to Scale) OUT A 1 –IN A +IN A V+ +IN B OUT D –IN D +IN D V– +IN C 14 –IN B OUT B 7 –IN C OUT C 8 Figure 5. 14-Lead SOIC (R Suffix) Figure 6. 14-Lead TSSOP (RU Suffix) GENERAL DESCRIPTION The AD8510, AD8512, AD8513 are single-, dual-, and quad- precision JFET amplifiers that feature low offset voltage, input bias current, input voltage noise, and input current noise. The combination of low offsets, low noise, and very low input bias currents makes these amplifiers especially suitable for high impedance sensor amplification and precise current measure- ments using shunts. The combination of dc precision, low noise, and fast settling time results in superior accuracy in medical instruments, electronic measurement, and automated test equipment. Unlike many competitive amplifiers, the AD8510/ AD8512/AD8513 maintain their fast settling performance even with substantial capacitive loads. Unlike many older JFET amplifiers, the AD8510/AD8512/ AD8513 do not suffer from output phase reversal when input voltages exceed the maximum common-mode voltage range. Fast slew rate and great stability with capacitive loads make the AD8510/AD8512/AD8513 a perfect fit for high performance filters. Low input bias currents, low offset, and low noise result in a wide dynamic range of photodiode amplifier circuits. Low noise and distortion, high output current, and excellent speed make the AD8510/AD8512/AD8513 a great choice for audio applications. The AD8510/AD8512 are both available in 8-lead narrow SOIC and 8-lead MSOP packages. MSOP packaged parts are only available in tape and reel. The AD8513 is available in 14-lead SOIC and TSSOP packages. The AD8510/AD8512/AD8513 are specified over the –40°C to +125°C extended industrial temperature range. |
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