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AD8646WARZ-R7 Scheda tecnica(PDF) 1 Page - Analog Devices

Il numero della parte AD8646WARZ-R7
Spiegazioni elettronici  24 MHz Rail-to-Rail Amplifiers with Shutdown Option
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

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24 MHz Rail-to-Rail Amplifiers
with Shutdown Option
Data Sheet
AD8646/AD8647/AD8648
Rev. F
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
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
©2006–2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
FEATURES
Offset voltage: 2.5 mV maximum
Single-supply operation: 2.7 V to 5.5 V
Low noise: 8 nV/√Hz
Wide bandwidth: 24 MHz
Slew rate: 11 V/μs
Short-circuit output current: 120 mA
Qualified for automotive applications
No phase reversal
Low input bias current: 1 pA
Low supply current per amplifier: 2 mA maximum
Unity gain stable
APPLICATIONS
Battery-powered instruments
Multipole filters
ADC front ends
Sensors
Barcode scanners
ASIC input or output amplifiers
Audio amplifiers
Photodiode amplifiers
Datapath/mux/switch control
PIN CONFIGURATIONS
OUTA 1
–INA 2
+INA 3
V– 4
V+
8
OUTB
7
–INB
6
+INB
5
AD8646
TOP VIEW
(Not to Scale)
Figure 1. 8-Lead SOIC and MSOP
OUTA 1
–INA 2
+INA 3
V– 4
SDA 5
V+
10
OUTB
9
–INB
8
+INB
7
SDB
6
AD8647
TOP VIEW
(Not to Scale)
Figure 2. 10-Lead MSOP
1
2
3
4
5
6
7
AD8648
–INA
+INA
V+
OUTB
–INB
+INB
OUTA
14
13
12
11
10
9
8
–IND
+IND
V–
OUTC
–INC
+INC
OUTD
TOP VIEW
(Not to Scale)
1
2
3
4
5
6
7
AD8648
14
13
12
11
10
9
8
TOP VIEW
(Not to Scale)
Figure 3. 14-Lead SOIC and TSSOP
GENERAL DESCRIPTION
The AD8646 and the AD8647 are the dual, and the AD8648 is
the quad, rail-to-rail, input and output, single-supply amplifiers
featuring low offset voltage, wide signal bandwidth, low input
voltage, and low current noise. The AD8647 also has a low
power shutdown function.
The combination of 24 MHz bandwidth, low offset, low noise,
and very low input bias current makes these amplifiers useful in
a wide variety of applications. Filters, integrators, photodiode
amplifiers, and high impedance sensors all benefit from the
combination of performance features. AC applications benefit
from the wide bandwidth and low distortion. The AD8646/
AD8647/AD8648 offer high output drive capability, which is
excellent for audio line drivers and other low impedance
applications. The AD8646 and AD8648 are available for
automotive applications (see the Ordering Guide).
Applications include portable and low powered instrumenta-
tion, audio amplification for portable devices, portable phone
headsets, barcode scanners, and multipole 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.


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