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AD8506 数据表(PDF) 1 Page - Analog Devices |
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AD8506 数据表(HTML) 1 Page - Analog Devices |
1 / 20 page 20 μA Maximum, Rail-to-Rail I/O, Zero Input Crossover Distortion Amplifiers AD8505/AD8506/AD8508 Rev. E Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. 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 ©2007–2010 Analog Devices, Inc. All rights reserved. FEATURES PSRR: 100 dB minimum CMRR: 105 dB typical Very low supply current: 20 μA per amplifier maximum 1.8 V to 5 V single supply or ±0.9 V to ±2.5 V dual supply Rail-to-rail input/output Low noise: 45 nV/√Hz at 1 kHz 2.5 mV offset voltage maximum Very low input bias current: 1 pA typical APPLICATIONS Pressure and position sensors Remote security Bio sensors IR thermometers Battery-powered consumer equipment Hazard detectors GENERAL DESCRIPTION The AD8505/AD8506/AD8508 are single, dual, and quad micro- power amplifiers featuring rail-to-rail input/output swings while operating from a single 1.8 V to 5 V power supply or from dual ±0.9 V to ±2.5 V power supplies. Using a new circuit technology, these amplifiers offer zero input crossover distortion (excellent PSRR and CMRR performance) and low bias current while operating with a supply current of less than 20 μA per amplifier. This amplifier family offers the lowest noise in its power class. This combination of features makes the AD8505/AD8506/AD8508 amplifiers ideal choices for battery-powered applications because they minimize errors due to power supply voltage variations over the lifetime of the battery and maintain high CMRR even for a rail- to-rail input op amp. Remote battery-powered sensors, handheld instrumentation, consumer equipment, hazard detection (for example, smoke, fire, and gas), and patient monitors can benefit from the features of the AD8505/AD8506/AD8508 amplifiers. The AD8505/AD8506/AD8508 are specified for both the industrial temperature range of −40°C to +85°C and the extended industrial temperature range of −40°C to +125°C. The AD8505 single ampli- fier is available in a tiny 5-lead SOT-23 and a 6-ball WLCSP packages. The AD8506 dual amplifier is available in 8-lead MSOP and 8-ball WLCSP packages. The AD8508 quad amplifier is available in 14-lead TSSOP and 14-ball WLCSP packages. The AD8505/AD8506/AD8508 are members of a growing series of zero crossover distortion op amps offered by Analog Devices, Inc., including the ADA4505-1/ADA4505-2/ADA4505-4, that operate from a single 1.8 V to 5 V supply or from dual ±0.9 V to ±2.5 V power supplies. PIN CONFIGURATIONS OUT 1 +IN 3 V– 2 V+ 5 –IN 4 AD8505 TOP VIEW (Not to Scale) OUT V+ V– +IN –IN TOP VIEW (BALL SIDE DOWN) Not to Scale A1 A2 B1 B2 C1 C2 BALL A1 INDICATOR NC AD8505 NC = NO CONNECT Figure 1. 5-Lead SOT-23 (RJ-5) Figure 2. 6-Ball WLCSP (CB-6-7) OUT A 1 –IN A 2 +IN A 3 V– 4 V+ 8 OUT B 7 –IN B 6 +IN B 5 AD8506 TOP VIEW (Not to Scale) TOP VIEW (BALL SIDE DOWN) Not to Scale BALL A1 CORNER A1 A2 A3 B1 B3 C1 C2 C3 AD8506 +IN B V– +IN A –IN B –IN A OUT B V+ OUT A Figure 3. 8-Lead MSOP (RM-8) Figure 4. 8-Ball WLCSP (CB-8-2) OUT A 1 –IN A 2 +IN A 3 V+ 4 OUT D –IN D +IN D V– 14 13 12 11 +IN B 5 –IN B 6 OUT B 7 +IN C –IN C OUT C 10 9 8 AD8508 TOP VIEW (Not to Scale) TOP VIEW (BALL SIDE DOWN) Not to Scale A1 B1 C1 D1 E1 A2 B2 C3 D2 E2 A3 B3 D3 E3 OUTD OUTA –INA –IND V– +INA +IND +INB +INC V+ –INB –INC OUTC AD8508 OUTB BALL A1 CORNER Figure 5. 14-Lead TSSOP (RU-14) Figure 6. 14-Ball WLCSP (CB-14-1) |
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类似说明 - AD8506 |
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