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AD8675 bảng dữ liệu(PDF) 1 Page - Analog Devices

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Giải thích chi tiết về linh kiện  36 V Precision, 2.8 nV/?숰z Rail-to-Rail Output Op Amp
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AD8675 bảng dữ liệu(HTML) 1 Page - Analog Devices

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36 V Precision, 2.8 nV/√Hz
Rail-to-Rail Output Op Amp
AD8675
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
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
©2005-2007 Analog Devices, Inc. All rights reserved.
FEATURES
Very low voltage noise: 2.8 nV/√Hz
Rail-to-rail output swing
Low input bias current: 2 nA maximum
Very low offset voltage: 75 μV maximum
Low input offset drift: 0.6 μV/°C maximum
Very high gain: 120 dB
Wide bandwidth: 10 MHz typical
±5 V to ±18 V operation
APPLICATIONS
Precision instrumentation
PLL filters
Laser diode control loops
Strain gage amplifiers
Medical instrumentation
Thermocouple amplifiers
PIN CONFIGURATIONS
NULL 1
–IN 2
+IN 3
V– 4
NULL
8
V+
7
OUT
6
NC
5
NC = NO CONNECT
AD8675
TOP VIEW
(Not to Scale)
Figure 1. 8-Lead SOIC_N (R-8)
NULL 1
–IN 2
+IN 3
V– 4
NULL
8
V+
7
OUT
6
NC
5
NC = NO CONNECT
AD8675
TOP VIEW
(Not to Scale)
Figure 2. 8-Lead MSOP (RM-8)
GENERAL DESCRIPTION
The AD8675 precision operational amplifier has ultralow offset,
drift, and voltage noise combined with very low input bias
currents over the full operating temperature range. The AD8675
is a precision, wide bandwidth op amp featuring rail-to-rail
output swings and very low noise. Operation is fully specified
from ±5 V to ±15 V.
The AD8675 features a rail-to-rail output like that of the OP184,
but with wide bandwidth and even lower voltage noise, com-
bined with the precision and low power consumption like that
of the industry-standard OP07 amplifier. Unlike other low
noise, rail-to-rail op amps, the AD8675 has very low input bias
current and low input current noise.
With typical offset voltage of only 10 μV, offset drift of 0.2 μV/°C,
and noise of only 0.10 μV p-p (0.1 Hz to 10 Hz), the AD8675 is
perfectly suited for applications where large error sources
cannot be tolerated. For applications with even lower offset
tolerances, the proprietary nulling capability allows a combination
of both device and system offset errors up to 3.5 mV (referred
to the input) to be compensated externally. Unlike previous
circuits, the AD8675 accommodates this adjustment without
adversely affecting the offset drift, CMRR, and PSRR of the
amplifier. Precision instrumentation, PLL, and other precision
filter circuits, position and pressure sensors, medical instrumen-
tation, and strain gage amplifiers benefit greatly from the very
low noise, low input bias current, and wide bandwidth. Many
systems can take advantage of the low noise, dc precision, and
rail-to-rail output swing provided by the AD8675 to maximize
SNR and dynamic range.
The smaller packages and low power consumption afforded by
the AD8675 allow maximum channel density or minimum
board size for space-critical equipment.
The AD8675 is specified for the extended industrial temperature
range (−40°C to +125°C). The AD8675 amplifier is available in
the tiny 8-lead MSOP, and the popular 8-lead, narrow SOIC,
RoHS compliant packages. MSOP packaged devices are only
available in tape and reel format.


Số phần tương tự - AD8675

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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Mô tả tương tự - AD8675

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