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AD8672AR-REEL Datasheet(PDF) 1 Page - Analog Devices |
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AD8672AR-REEL Datasheet(HTML) 1 Page - Analog Devices |
1 / 16 page Precision, Very Low Noise, Low Input Bias Current Operational Amplifiers AD8671/AD8672/AD8674 Rev. C 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: 781.461.3113 © 2005 Analog Devices, Inc. All rights reserved. FEATURES Very low noise: 2.8 nV/√Hz, 77 nV p-p Wide bandwidth: 10 MHz Low input bias current: 12 nA max Low offset voltage: 75 μV max High open-loop gain: 120 dB min Low supply current: 3 mA per amplifier Dual-supply operation: ±5 V to ±15 V Unity-gain stable No phase reversal APPLICATIONS PLL filters Filters for GPS Instrumentation Sensors and controls Professional quality audio GENERAL DESCRIPTION The AD8671/AD8672/AD8674 are very high precision amplifiers featuring very low noise, very low offset voltage and drift, low input bias current, 10 MHz bandwidth, and low power consumption. Outputs are stable with capacitive loads of over 1000 pF. Supply current is less than 3 mA per amplifier at 30 V. The AD8671/AD8672/AD8674’s combination of ultralow noise, high precision, speed, and stability is unmatched. The MSOP version of the AD8671/AD8672 requires only half the board space of comparable amplifiers. Applications for these amplifiers include high quality PLL filters, precision filters, medical and analytical instrumentation, precision power supply controls, ATE, data acquisition, and precision controls as well as professional quality audio. The AD8671/AD8672/AD8674 are specified over the extended industrial temperature range (–40°C to +125°C). The AD8671/AD8672 are available in the 8-lead SOIC and 8-lead MSOP packages. The AD8674 is available in 14-lead SOIC and 14-lead TSSOP packages. Surface-mount devices in MSOP packages are available in tape and reel only. PIN CONFIGURATIONS NC = NO CONNECT NC 1 –IN 2 +IN 3 V– 4 NC V+ OUT NC 8 7 6 5 AD8671 TOP VIEW (Not to Scale) NC = NO CONNECT NC 1 –IN 2 +IN 3 V– 4 NC V+ OUT NC 8 7 6 5 AD8671 TOP VIEW (Not to Scale) Figure 1. 8-Lead SOIC_N (R-8) Figure 2. 8-Lead MSOP (RM-8) OUT A 1 –IN A 2 +IN A 3 V– 4 V+ OUT B –IN B +IN B 8 7 6 5 AD8672 TOP VIEW (Not to Scale) OUT A 1 –IN A 2 +IN A 3 V– 4 V+ OUT B –IN B +IN B 8 7 6 5 AD8672 TOP VIEW (Not to Scale) Figure 3. 8-Lead SOIC-N (R-8) Figure 4. 8-Lead MSOP (RM-8) OUT A 1 –IN A 2 +IN A 3 V+ 4 +IN B 5 –IN B 6 OUT B 7 OUT D –IN D +IN D V– 14 13 12 11 +IN C –IN C OUT C 10 9 8 AD8674 TOP VIEW (Not to Scale) OUT A 1 –IN A 2 +IN A 3 V+ 4 +IN B 5 –IN B 6 OUT B 7 OUT D –IN D +IN D V– 14 13 12 11 +IN C –IN C OUT C 10 9 8 AD8674 TOP VIEW (Not to Scale) Figure 5. 14-Lead SOIC_N (R-14) Figure 6. 14-Lead TSSOP (RU-14) |
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