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ADA4051-2 fiches techniques PDF

Analog Devices - Rail-to-Rail I/O Amplifier

Numéro de référence ADA4051-2
Description Rail-to-Rail I/O Amplifier
Fabricant Analog Devices 
Logo Analog Devices 





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ADA4051-2 fiche technique
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1.8 V, Micropower, Zero-Drift,
Rail-to-Rail Input/Output Op Amp
ADA4051-2
FEATURES
Very low supply current: 13 μA
Low offset voltage: 15 μV maximum
Offset voltage drift: 20 nV/°C
Single-supply operation: 1.8 V to 5.5 V
High PSRR: 110 dB minimum
High CMRR: 110 dB minimum
Rail-to-rail input and output
Unity gain stable
Extended industrial temperature range
APPLICATIONS
Pressure and position sensors
Temperature measurements
Electronic scales
Medical instrumentation
Battery-powered equipment
Handheld test equipment
GENERAL DESCRIPTION
The ADA4051-2 is a CMOS, micropower, zero-drift opera-
tional amplifier utilizing an innovative chopping technique.
This amplifier features rail-to-rail input and output swing and
extremely low offset voltage while operating from a 1.8 V to
5.5 V power supply. This amplifier also offers high PSRR and
CMRR, while operating with a supply current of only 13 μA per
amplifier. This combination of features makes the ADA4051-2
amplifier an ideal choice for battery-powered applications where
high precision as well as low power consumption is important.
The ADA4051-2 is specified for the extended industrial temper-
ature range of −40°C to +125°C. The ADA4051-2 amplifier is
available in the standard 8-pin MSOP.
PIN CONFIGURATION
OUT A 1
–IN A 2
+IN A 3
V– 4
ADA4051-2
TOP VIEW
(Not to Scale)
8 V+
7 OUT B
6 –IN B
5 +IN B
Figure 1. 8-Lead MSOP (RM-8)
The ADA4051-2 is a member of a growing series of zero-drift
op amps offered by Analog Devices, Inc. Refer to Table 1 for a
list of these devices.
Table 1. Op Amps
Supple Low Power, 5 V
Single
AD8538
Dual AD8539
Quad
5V
AD8628
AD8629
AD8630
16 V
AD8638
AD8639
Rev. 0
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.
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
©2009 Analog Devices, Inc. All rights reserved.

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