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AD825 Datasheet(PDF) 1 Page - Analog Devices

Part No. AD825
Description  Low Cost, General Purpose High Speed JFET Amplifier
Download  11 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD825 Datasheet(HTML) 1 Page - Analog Devices

 
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REV. C
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD825
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1999
Low Cost, General Purpose
High Speed JFET Amplifier
CONNECTION DIAGRAM
8-Lead Plastic SOIC (R) Package
1
2
3
4
8
7
6
5
TOP VIEW
(Not to Scale)
NC = NO CONNECT
AD825
NC
NC
OUTPUT
+VS
NC
–IN
+IN
–VS
FEATURES
High Speed
41 MHz, –3 dB Bandwidth
125 V/ s Slew Rate
80 ns Settling Time
Input Bias Current of 20 pA and Noise Current of
10 fA/
√Hz
Input Voltage Noise of 12 nV/
√Hz
Fully Specified Power Supplies:
5 V to
15 V
Low Distortion: –76 dB at 1 MHz
High Output Drive Capability
Drives Unlimited Capacitance Load
50 mA Min Output Current
No Phase Reversal When Input Is at Rail
Available in 8-Lead SOIC
APPLICATIONS
CCD
Low Distortion Filters
Mixed Gain Stages
Audio Amplifier
Photo Detector Interface
ADC Input Buffer
DAC Output Buffer
PRODUCT DESCRIPTION
The AD825 is a superbly optimized operational amplifier for
high speed, low cost and dc parameters, making it ideally suited
for a broad range of signal conditioning and data acquisition
applications. The ac performance, gain, bandwidth, slew rate
and drive capability are all very stable over temperature. The
AD825 also maintains stable gain under varying load conditions.
The unique input stage has ultralow input bias current and
ultralow input current noise. Signals that go to either rail on this
high performance input do not cause phase reversals at the output.
These features make the AD825 a good choice as a buffer for
MUX outputs, creating minimal offset and gain errors.
The AD825 is fully specified for operation with dual
±5 V and
±15 V supplies. This power supply flexibility, and the low sup-
ply current of 6.5 mA with excellent ac characteristics under all
supply conditions, makes the AD825 well suited for many
demanding applications.
Figure 1. Performance with Rail-to-Rail Input Signals


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