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參數(shù)資料
| 型號： | AD842 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Wideband, High Output Current,Fast Settling Op Amp(寬帶,高輸出電流,快速運(yùn)算放大器) |
| 中文描述： | 寬帶，高輸出電流，快速沉降運(yùn)算放大器（寬帶，高輸出電流，快速運(yùn)算放大器） |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 236K |
| 代理商： | AD842 |
REV. D
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
Wdeband, Hgh Output Current,
Fast Settling Op Amp
AD842
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
CONNE CT ION DIAGRAMS
FEATURES
AC PERFORMANCE
Gain Bandwidth Product: 80 MHz (Gain = 2)
Fast Settling: 100 ns to 0.01% for a 10 V Step
Slew Rate: 375 V/
m
s
Stable at Gains of 2 or Greater
Full Power Bandwidth: 6.0 MHz for 20 V p-p
DC PERFORMANCE
Input Offset Voltage: 1 mV max
Input Offset Drift: 14
m
V/
8
C
Input Voltage Noise: 9 nV/
√
Hz
typ
Open-Loop Gain: 90 V/mV into a 500
V
Load
Output Current: 100 mA min
Quiescent Supply Current: 14 mA max
APPLICATIONS
Line Drivers
DAC and ADC Buffers
Video and Pulse Amplifiers
Available in Plastic DIP, Hermetic Metal Can,
Hermetic Cerdip, SOIC and LCC Packages and in
Chip Form
MIL-STD-883B Parts Available
Available in Tape and Reel in Accordance with
EIA-481A Standard
PRODUCT DE SCRIPT ION
T he AD842 is a member of the Analog Devices family of wide
bandwidth operational amplifiers. T his family includes, among
others, the AD840 which is stable at a gain of 10 or greater and
the AD841 which is unity-gain stable. T hese devices are fabri-
cated using Analog Devices’ junction isolated complementary bi-
polar (CB) process. T his process permits a combination of dc
precision and wideband ac performance previously unobtainable
in a monolithic op amp. In addition to its 80 MHz gain band-
width, the AD842 offers extremely fast settling characteristics,
typically settling to within 0.01% of final value in less than
100 ns for a 10 volt step.
T he AD842 also offers a low quiescent current of 13 mA, a high
output current drive capability (100 mA minimum), a low input
voltage noise of 9 nV
√
Hz
and a low input offset voltage (1 mV
maximum).
T he 375 V/
μ
s slew rate of the AD842, along with its 80 MHz
gain bandwidth, ensures excellent performance in video and
pulse amplifier applications. T his amplifier is ideally suited for
use in high frequency signal conditioning circuits and wide
bandwidth active filters. T he extremely rapid settling time of
the AD842 makes this amplifier the preferred choice for data
acquisition applications which require 12-bit accuracy. T he
Plastic DIP (N) Package
and
Cerdip (Q) Package
LCC (E ) Package
T O-8 (H) Package
SOIC (R-16) Package
AD842 is also appropriate for other applications such as high
speed DAC and ADC buffer amplifiers and other wide band-
width circuitry.
APPLICAT ION HIGHLIGHT S
1. T he high slew rate and fast settling time of the AD842 make
it ideal for DAC and ADC buffers amplifiers, lines drivers
and all types of video instrumentation circuitry.
2. T he AD842 is a precision amplifier. It offers accuracy to
0.01% or better and wide bandwidth; performance previ-
ously available only in hybrids.
3. Laser-wafer trimming reduces the input offset voltage of
1 mV max, thus eliminating the need for external offset
nulling in many applications.
4. Full differential inputs provide outstanding performance in
all standard high frequency op amp applications where the
circuit gain will be 2 or greater.
5. T he AD842 is an enhanced replacement for the HA2542.
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