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AD8541ARADN/a46avaiGeneral Purpose CMOS Rail-to-Rail Amplifiers
AD8541ARTAD ?N/a4000avaiGeneral Purpose CMOS Rail-to-Rail Amplifiers
AD8542ARADN/a1200avaiGeneral Purpose CMOS Rail-to-Rail Amplifiers
AD8542ARMADIN/a3191avaiGeneral Purpose CMOS Rail-to-Rail Amplifiers
AD8542ARMADN/a520avaiGeneral Purpose CMOS Rail-to-Rail Amplifiers
AD8542ARMN/a30avaiGeneral Purpose CMOS Rail-to-Rail Amplifiers
AD8542ARUADN/a20avaiGeneral Purpose CMOS Rail-to-Rail Amplifiers
AD8544ARADIN/a50avaiGeneral Purpose CMOS Rail-to-Rail Amplifiers
AD8544ARUADIN/a1005avaiGeneral Purpose CMOS Rail-to-Rail Amplifiers


AD8541ART ,General Purpose CMOS Rail-to-Rail AmplifiersCHARACTERISTICSOffset Voltage V 16 mVOS–40°C ≤ T ≤ +125°C7mVA Input Bias Current I 460 pAB–40°C ≤ T ..
AD8542 ,Dual Rail-to-Rail Input and Output, Single Supply Amplifier Featuring Very Low Supply Currentapplications with high source impedance. Sup-V– 4 5+IN Bply current is only 45 µA per amplifier, id ..
AD8542AR ,General Purpose CMOS Rail-to-Rail AmplifiersGENERAL DESCRIPTIONThe AD8541/AD8542/AD8544 are single, dual and quad rail-to-rail input and output ..
AD8542ARM ,General Purpose CMOS Rail-to-Rail AmplifiersFEATURESSingle Supply Operation: +2.7 V to +5.5 VSO-8 (R) SOT-23-5 (RT)Low Supply Current: 45 A/Am ..
AD8542ARM ,General Purpose CMOS Rail-to-Rail AmplifiersCHARACTERISTICSOffset Voltage V 16 mVOS–40°C ≤ T ≤ +125°C7mVA Input Bias Current I 460 pAB–40°C ≤ T ..
AD8542ARM ,General Purpose CMOS Rail-to-Rail AmplifiersCHARACTERISTICSOffset Voltage V 16 mVOS–40°C ≤ T ≤ +125°C7mVA Input Bias Current I 460 pAB–40°C ≤ T ..
ADR370BRT-REEL7 ,Precision Low Power 2.048 V SOT-23 Voltage ReferenceGENERAL DESCRIPTIONADR370BRT-REEL7 2.048 4 0.2 50The ADR370 is a low cost, 3-termina ..
ADR380ARTZ-REEL7 , Precision Low-Drift 2.048 V/2.500 V SOT-23 Voltage References
ADR380ARTZ-REEL7 , Precision Low-Drift 2.048 V/2.500 V SOT-23 Voltage References
ADR381ARTZ-REEL7 , Precision Low-Drift 2.048 V/2.500 V SOT-23 Voltage References
ADR381ARTZ-REEL7 , Precision Low-Drift 2.048 V/2.500 V SOT-23 Voltage References
ADR390BUJZ-REEL7 ,2.048 V Micropower, Low Noise Precision Voltage References with Shutdownapplications. Rev. E Information furnished by Analog Devices is believed to be accurate and reli ..


AD8541AR-AD8541ART-AD8542AR-AD8542ARM-AD8542ARU-AD8544AR-AD8544ARU
General Purpose CMOS Rail-to-Rail Amplifiers
REV.A
General Purpose CMOS
Rail-to-Rail Amplifiers
PIN CONFIGURATIONSFEATURES
Single Supply Operation: +2.7 V to +5.5 V
Low Supply Current: 45 �A/Amplifier
Wide Bandwidth: 1 MHz
No Phase Reversal
Low Input Currents: 4 pA
Unity Gain Stable
Rail-to-Rail Input and Output
APPLICATIONS
ASIC Input or Output Amplifier
Sensor Interface
Piezo Electric Transducer Amplifier
Medical Instrumentation
Mobile Communication
Audio Output
Portable Systems
GENERAL DESCRIPTION

The AD8541/AD8542/AD8544 are single, dual and quad rail-
to-rail input and output single supply amplifiers featuring very
low supply current and 1 MHz bandwidth. All are guaranteed to
operate from a +2.7 V single supply as well as a +5 V supply.
These parts provide 1 MHz bandwidth at low current consump-
tion of 45 µA per amplifier.
Very low input bias currents enable the AD8541/AD8542/AD8544
to be used for integrators, photodiode amplifiers, piezo electric
sensors and other applications with high source impedance. Supply
current is only 45 µA per amplifier, ideal for battery operation.
Rail-to-rail inputs and outputs are useful to designers buffering
ASICs in single supply systems. The AD8541/AD8542/AD8544
are optimized to maintain high gains at lower supply voltages,
making them useful for active filters and gain stages.
The AD8541/AD8542/AD8544 are specified over the extended
industrial (–40°C to +125°C) temperature range. The AD8541
is available in 8-lead SO and 5-lead SOT-23 packages. The
AD8542 is available in 8-lead SO, 8-lead MSOP, and 8-lead
TSSOP surface mount packages. The AD8544 is available in
14-lead narrow SO-14 and 14-lead TSSOP surface mount pack-
ages. All TSSOP, MSOP, and SOT versions are available in tape
and reel only.
SO-8 (R)SOT-23-5 (RT)
SO-8 (R), RM-8, and RU-8
AD8541/AD8542/AD8544–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS

POWER SUPPLY
Specifications subject to change without notice.
(VS = +2.7 V, VCM = +1.35 V, TA = +25�C unless otherwise noted)
AD8541/AD8542/AD8544
ELECTRICAL CHARACTERISTICS

POWER SUPPLY
Specifications subject to change without notice.
(VS = +3.0 V, VCM = +1.5 V, TA = +25�C unless otherwise noted)
AD8541/AD8542/AD8544–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS

POWER SUPPLY
Specifications subject to change without notice.
(VS = +5.0 V, VCM = +2.5 V, TA = +25�C unless otherwise noted)
ABSOLUTE MAXIMUM RATINGS
Supply Voltage(VS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6 V
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND to VS
Differential Input Voltage2 . . . . . . . . . . . . . . . . . . . . . . . ±6 V
Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C
Operating Temperature Range . . . . . . . . . . –40°C to +125°C
Junction Temperature Range . . . . . . . . . . . . –65°C to +150°C
Lead Temperature Range (Soldering, 60 sec) . . . . . . .+300°C
NOTESStresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.For supplies less than +6 V, the differential input voltage is equal to ±VS.
ORDERING GUIDE

*Available in reels only.
CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the AD8541/AD8542/AD8544 features proprietary ESD protection circuitry, permanent damage
may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
PACKAGE INFORMATION

NOTEθJA is specified for worst case conditions, i.e., θJA is specified for device soldered
onto a circuit board for surface mount packages.
AD8541/AD8542/AD8544
COMMON-MODE VOLTAGE – V

�0.50.55.51.52.53.54.5
INPUT BIAS CURRENT – pA

Figure 3.Input Bias Current vs.
Common-Mode Voltage
Figure 6.Power Supply Rejection
Ratio vs. Frequency
Figure 9.Small Signal Overshoot vs.
Load Capacitance
INPUT OFFSET VOLTAGE – mV

�4.5�3.54.5�2.5�1.5�0.51.52.53.50.5
NUMBER OF AMPLIFIERS
120

Figure 1.Input Offset Voltage
Distribution
TEMPERATURE –
�C
INPUT BIAS CURRENT
pA
400

�40�20140020408010012060
250

Figure 4.Input Bias Current vs.
Temperature
Figure 7.Output Voltage to Supply
Rail vs. Load Current
Figure 2.Input Offset Voltage
vs. Temperature
TEMPERATURE –�C
INPUT OFFSET CURRENT
pA
�55�35145�15258510512565
545

Figure 5.Input Offset Current vs.
Temperature
Figure 8.Closed-Loop Output
Voltage Swing vs. Frequency
–Typical Performance Characteristics
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