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| PRELIMINARY TECHNICAL DATA a Preliminary Technical Data FEATURES Low Offset Voltage: 300 V max Low Input Bias Currents Low Noise: 6.5 nV/Hz Low Supply Current: 1 mA/Amp Wide Bandwidth: 10 MHz Slew Rate: 5 V/ s Low Distortion No Phase Reversal High gain Unity Gain Stable Single-Supply Operation: 2.7 to 6 Volts APPLICATIONS Barcode Scanners Battery Powered Instrumentation Multi-pole Filters Sensors ASIC Input or Output Amplifier Audio Photodiode amplification GENERAL DESCRIPTION Precision Low noise CMOS Rail-to-Rail Input/Output Operational Amplifiers AD8605/AD8606/AD8608 impedance sensors all benefit from the combination of performance features. Audio and other AC applications benefit from the wide bandwidth and low distortion. Applications for these amplifiers include portable and loop-powered instrumentation, audio amplification for portable devices, portable phone headsets, bar code scanners, and multi-pole filters. The ability to swing rail-to-rail at both the input and output enables designers to buffer CMOS ADCs, DACs, ASICs and other wide output swing devices in single supply systems. The AD8605, AD8606 and AD8608 are specified over the extended industrial (-40 to +125C) temperature range. The AD8605, single, is available in the tiny 5-lead SOT-23 package. The AD8606, dual, is available in the 8-lead micro-SOIC and narrow SOIC surface mount packages. The AD8608, quad, is available in 14-lead TSSOP and narrow 14-pin SOIC packages. SOT, MSOP and TSSOP versions are available in tape and reel only. The AD8605, AD8606 and AD8608 are single, dual and quad rail-to-rail input and output single supply amplifiers featuring very low offset voltage, low input voltage and current noise and wide signal bandwidth. These amplifiers use a patented trimming technique that achieves superior precision without laser trimming. All are fully specified to operate from +3V to +5V single supply. The combination of low offsets, low noise, very low input bias currents, and high speed make these amplifiers useful in a wide variety of applications. Filters, integrators, photo-diode amplifiers and high REV. Pr0 8/29/2001 Inf ormation 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. One Technology Way, PO Box 9106, Norwood, MA 02062-9106, USA Tel: 617/329-4700 World Wide Web Site:http://www.analog.com Fax: 617/326-8703 (c) Analog Devices, Inc., 1997 --1-- PRELIMINARY TECHNICAL DATA AD8605/8606/8608 ELECTRICAL CHARACTERISTICS Parameter INPUT CHARACTERISTICS Offset Voltage Symbol VOS (VS=+2.7V, VCM = VS/2, T A =+25C unless otherwise noted) Min Typ 80 Max 300 750 0.2 -40< T A < +85C -40< T A < +125C Input Offset Current IOS -40< T A < +85C -40< T A < +125C Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage High CMRR AVO VOS/T VOH IL = 1mA -40C < T A < +125C Output Voltage Low Output Current Closed Loop Output Impedance POWER SUPPLY Power Supply Rejection Ratio Supply Current/Amplifier DYNAMIC PERFORMANCE Slew Rate Settling Time Gain Bandwidth Product Phase Margin NOISE PERFORMANCE Voltage Noise Density Voltage Noise Density Current Noise Density VOL IOUT Z OUT PSRR ISY f=1 MHz, A V = 1 VS = 2.7 V to 5.5 V VO = 0V -40< T A < +125C SR ts GBP Oo en en in f=1kHz f=10kHz f=1kHz RL =2 k To 0.01% 5 <0.5 9 50 8 6.5 0.05 80 IL = 1mA -40C < T A < +125C 30 12 95 1150 1300 1500 2.65 2.6 20 30 50 VCM = 0V to 2.7V RL = 2 k VO= 0.5V to 2.5V 0 80 200 95 350 1 2.67 0.1 60 100 100 30 50 500 3 Units V V pA pA pA pA pA pA V dB V/mV V/C V V mV mV mA dB A A V/s s MHz degrees nV/Hz nV/Hz pA/Hz Conditions VCM = 0V to 3V -40< T A < +125C Input Bias Current IB --2-- REV. Pr0 8/29/2001 PRELIMINARY TECHNICAL DATA AD8605/8606/8608 ELECTRICAL CHARACTERISTICS Parameter INPUT CHARACTERISTICS Offset Voltage Symbol (@ VS=+5.0V, VCM = VS/2, T A =+25C unless otherwise noted) Min VOS VCM = 0V to 5V -40< T A < +125C Input Bias Current IB -40< T A < +85C -40< T A < +125C Input Offset Current IOS -40< T A < +85C -40< T A < +125C Input Voltage Range Common-Mode Rejection Ratio Large Signal Voltage Gain Offset Voltage Drift OUTPUT CHARACTERISTICS Output Voltage High 0 85 1000 0.1 0.2 A Grade Typ 80 Units Max 300 750 60 100 1000 30 50 500 5 100 2000 1 IL = 1mA IL = 10mA -40C to +125C Output Voltage Low Output Voltage High VOL VOL IL = 1mA IL = 10mA -40C to +125C Output Current Closed Loop Output Impedance POWER SUPPLY Power Supply Rejection Ratio Supply Current/Amplifier DYNAMIC PERFORMANCE Slew Rate Settling Time Full Power Bandwidth Gain Bandwidth Product Phase Margin NOISE PERFORMANCE Voltage Noise Density Voltage Noise Density Current Noise Density IOUT Z OUT PSRR ISY f=1 MHz, A V = 1 VS = 2.7 V to 5.5 V VO = 0V -40< T A < +125C SR ts BWp GBP Oo en en in RL =2 k To 0.01% <1% Distortion 5 <1 360 10 55 8 6.5 0.05 80 80 10 95 1200 1400 1600 4.97 4.7 4.6 15 125 30 175 250 4.98 4.79 V V pA pA pA pA pA pA V dB V/mV V/C V V V mV mV mV mA dB A A V/s s kHz MHz degrees nV/Hz nV/Hz pA/Hz Conditions CMRR AVO VOS/T VOH VCM = 0V to 5V VO= 0.5V to 4.5V, RL = 2 k , VCM= 0V f=1kHz f=10kHz f=1kHz --3-- REV. Pr0 8/29/2001 PRELIMINARY TECHNICAL DATA AD8605/8606/8608 ABSOLUTE MAXIMUM RATINGS 1 Supply voltage ............................................................................+6V Input Voltage.....................................................................Gnd to Vs Differential Input Voltage ...........................................................6V Output Short-Circuit Duration to Gnd2 ... Observe Derating Curves Storage Temperature Range R, RT, RM, RU Package................................-65C to +150C Operating Temperature Range AD8605/AD8606/AD8608............................-40C to +125C Junction Temperature Range R, RT, RM, RU Package................................-65C to +150C Lead Temperature Range (Soldering, 60 Sec)........................+300C Package Type 5-Pin SOT-23 (RT) 8-Pin microSOIC (RM) 8-Pin SOIC (R) 14-Pin SOIC (R) 14-Pin TSSOP (RU) NOTES 1 Absolute maximum ratings apply at 25C, unless otherwise noted. 2 is specified for the worst-case conditions, i.e., is specified for device soldered JA JA in circuit board for surface mount packages. JA 230 210 158 120 180 JC -45 43 36 35 Units C/W C/W C/W C/W C/W ORDERING GUIDE Model AD8605ART AD8606ARM AD8606AR AD8608AR AD8608ARU Temperature Range -40C to +125C -40C to +125C -40C to +125C -40C to +125C -40C to +125C Package Description 5-Pin SOT-23 8-Pin micro-SOIC 8-Pin SOIC 14-Pin SOIC 14-Pin TSSOP Package Option RT-5 RM-8 R-8 R-14 RU-14 --4-- REV. Pr0 8/29/2001 |
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