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Analog Devices - Rail-to-Rail Output Operational Amplifier

Numéro de référence ADA4522-2
Description Rail-to-Rail Output Operational Amplifier
Fabricant Analog Devices 
Logo Analog Devices 





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ADA4522-2 fiche technique
Data Sheet
55 V, EMI Enhanced, Zero Drift, Ultralow Noise,
Rail-to-Rail Output Operational Amplifiers
ADA4522-1/ADA4522-2/ADA4522-4
FEATURES
Low offset voltage: 5 µV maximum
Extremely low offset voltage drift: 22 nV/°C maximum
Low voltage noise density: 5.8 nV/√Hz typical
117 nV p-p typical from 0.1 Hz to 10 Hz
Low input bias current: 50 pA typical
Unity-gain crossover: 3 MHz typical
Single-supply operation: input voltage range includes
ground and rail-to-rail output
Wide range of operating voltages
Single-supply operation: 4.5 V to 55 V
Dual-supply operation: ±2.25 V to ±27.5 V
Integrated EMI filters
Unity-gain stable
APPLICATIONS
Inductance, capacitance, and resistance (LCR)
meter/megohmmeter front-end amplifiers
Load cell and bridge transducers
Magnetic force balance scales
High precision shunt current sensing
Thermocouple/resistance temperature detector (RTD) sensors
Programmable logic controller (PLC) input and output
amplifiers
GENERAL DESCRIPTION
The ADA4522-1/ADA4522-2/ADA4522-4 are single/dual/quad
channel, zero drift op amps with low noise and power, ground
sensing inputs, and rail-to-rail output, optimized for total
accuracy over time, temperature, and voltage conditions. The
wide operating voltage and temperature ranges, as well as the
high open-loop gain and very low dc and ac errors make the
devices well suited for amplifying very small input signals and
for accurately reproducing larger signals in a wide variety of
applications.
The ADA4522-1/ADA4522-2/ADA4522-4 performance is
specified at 5.0 V, 30 V, and 55 V power supply voltages. These
devices operate over the range of 4.5 V to 55 V, and are excellent
for applications using single-ended supplies of 5 V, 10 V, 12 V,
and 30 V, or for applications using higher single supplies and
dual supplies of ±2.5 V, ±5 V, and ±15 V. The ADA4522-1/
ADA4522-2/ADA4522-4 use on-chip filtering to achieve high
immunity to electromagnetic interference (EMI).
The ADA4522-1/ADA4522-2/ADA4522-4 are fully specified
over the extended industrial temperature range of −40°C to
+125°C and are available in 8-lead MSOP, 8-lead SOIC, 14-lead
SOIC, and 14-lead TSSOP packages.
Rev. E
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
PIN CONNECTION DIAGRAM
OUT A 1
8 V+
–IN A 2 ADA4522-2 7 OUT B
+IN A 3
TOP VIEW
(Not to Scale)
6 –IN B
V– 4
5 +IN B
Figure 1. 8-Lead MSOP (RM Suffix) and 8-Lead SOIC (R Suffix)
Pin Configuration
For the ADA4522-1 and ADA4522-4 pin connections and for
more information about the pin connections for these products,
see the Pin Configurations and Function Descriptions section.
100
AV = 100
5V
30V
55V
10
1
0.1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
Figure 2. Voltage Noise Density vs. Frequency, VSY = ±15 V
Table 1. Zero Drift Op Amps (<0.1 µV/°C)
Supply Voltage 5 V
16 V 30 V
55 V
Single
ADA4528-1
AD8628
AD8538
ADA4051-1
AD8638
ADA4638-1
ADA4522-1
Dual
ADA4528-2 AD8639
AD8629
AD8539
ADA4051-2
ADA4522-2
Quad
AD8630
ADA4522-4
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2015–2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

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